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Gombert-Labedens M, Alzueta E, Perez-Amparan E, Yuksel D, Kiss O, de Zambotti M, Simon K, Zhang J, Shuster A, Morehouse A, Pena AA, Mednick S, Baker FC. Using Wearable Skin Temperature Data to Advance Tracking and Characterization of the Menstrual Cycle in a Real-World Setting. J Biol Rhythms 2024; 39:331-350. [PMID: 38767963 PMCID: PMC11294004 DOI: 10.1177/07487304241247893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
The menstrual cycle is a loop involving the interplay of different organs and hormones, with the capacity to impact numerous physiological processes, including body temperature and heart rate, which in turn display menstrual rhythms. The advent of wearable devices that can continuously track physiological data opens the possibility of using these prolonged time series of skin temperature data to noninvasively detect the temperature variations that occur in ovulatory menstrual cycles. Here, we show that the menstrual skin temperature variation is better represented by a model of oscillation, the cosinor, than by a biphasic square wave model. We describe how applying a cosinor model to a menstrual cycle of distal skin temperature data can be used to assess whether the data oscillate or not, and in cases of oscillation, rhythm metrics for the cycle, including mesor, amplitude, and acrophase, can be obtained. We apply the method to wearable temperature data collected at a minute resolution each day from 120 female individuals over a menstrual cycle to illustrate how the method can be used to derive and present menstrual cycle characteristics, which can be used in other analyses examining indicators of female health. The cosinor method, frequently used in circadian rhythms studies, can be employed in research to facilitate the assessment of menstrual cycle effects on physiological parameters, and in clinical settings to use the characteristics of the menstrual cycles as health markers or to facilitate menstrual chronotherapy.
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Affiliation(s)
| | - Elisabet Alzueta
- Center for Health Sciences, SRI International, Menlo Park, CA, USA
| | | | - Dilara Yuksel
- Center for Health Sciences, SRI International, Menlo Park, CA, USA
| | - Orsolya Kiss
- Center for Health Sciences, SRI International, Menlo Park, CA, USA
| | | | - Katharine Simon
- Department of Cognitive Science, University of California, Irvine, CA, USA
| | - Jing Zhang
- Department of Cognitive Science, University of California, Irvine, CA, USA
| | - Alessandra Shuster
- Department of Cognitive Science, University of California, Irvine, CA, USA
| | - Allison Morehouse
- Department of Cognitive Science, University of California, Irvine, CA, USA
| | | | - Sara Mednick
- Department of Cognitive Science, University of California, Irvine, CA, USA
| | - Fiona C. Baker
- Center for Health Sciences, SRI International, Menlo Park, CA, USA
- Brain Function Research Group, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa
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2
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Huang W, Zong J, Zhang Y, Zhou Y, Zhang L, Wang Y, Shan Z, Xie Q, Li M, Pan S, Xiao Z. The Role of Circadian Rhythm in Neurological Diseases: A Translational Perspective. Aging Dis 2024; 15:1565-1587. [PMID: 37815902 PMCID: PMC11272204 DOI: 10.14336/ad.2023.0921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/21/2023] [Indexed: 10/12/2023] Open
Abstract
Intrinsic biological clocks drive the circadian rhythm, which coordinates the physiological and pathophysiological processes in the body. Recently, a bidirectional relationship between circadian rhythms and several neurological diseases has been reported. Neurological diseases can lead to the disruption of circadian homeostasis, thereby increasing disease severity. Therefore, optimizing the current treatments through circadian-based approaches, including adjusted dosing, changing lifestyle, and targeted interventions, offer a promising opportunity for better clinical outcomes and precision medicine. In this review, we provide detailed implications of the circadian rhythm in neurological diseases through bench-to-bedside approaches. Furthermore, based on the unsatisfactory clinical outcomes, we critically discuss the potential of circadian-based interventions, which may encourage more studies in this discipline, with the hope of improving treatment efficacy in neurological diseases.
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Affiliation(s)
- Wanbin Huang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jiabin Zong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Yu Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yanjie Zhou
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Lily Zhang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yajuan Wang
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zhengming Shan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Qingfang Xie
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ming Li
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Songqing Pan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zheman Xiao
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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Schrader LA, Ronnekleiv-Kelly SM, Hogenesch JB, Bradfield CA, Malecki KM. Circadian disruption, clock genes, and metabolic health. J Clin Invest 2024; 134:e170998. [PMID: 39007272 PMCID: PMC11245155 DOI: 10.1172/jci170998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024] Open
Abstract
A growing body of research has identified circadian-rhythm disruption as a risk factor for metabolic health. However, the underlying biological basis remains complex, and complete molecular mechanisms are unknown. There is emerging evidence from animal and human research to suggest that the expression of core circadian genes, such as circadian locomotor output cycles kaput gene (CLOCK), brain and muscle ARNT-Like 1 gene (BMAL1), period (PER), and cyptochrome (CRY), and the consequent expression of hundreds of circadian output genes are integral to the regulation of cellular metabolism. These circadian mechanisms represent potential pathophysiological pathways linking circadian disruption to adverse metabolic health outcomes, including obesity, metabolic syndrome, and type 2 diabetes. Here, we aim to summarize select evidence from in vivo animal models and compare these results with epidemiologic research findings to advance understanding of existing foundational evidence and potential mechanistic links between circadian disruption and altered clock gene expression contributions to metabolic health-related pathologies. Findings have important implications for the treatment, prevention, and control of metabolic pathologies underlying leading causes of death and disability, including diabetes, cardiovascular disease, and cancer.
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Affiliation(s)
| | - Sean M Ronnekleiv-Kelly
- Molecular and Environmental Toxicology Center and
- Department of Surgery, Division of Surgical Oncology, School of Medicine and Public Health, University of Wisconsin, Madison Wisconsin, USA
| | - John B Hogenesch
- Divisions of Human Genetics and Immunobiology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | | | - Kristen Mc Malecki
- Molecular and Environmental Toxicology Center and
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
- Division of Environmental and Occupational Health Sciences, University of Illinois Chicago, Chicago, Illinois, USA
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4
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He L, Ma T, Wang X, Cheng X, Bai Y. Association between longitudinal change of sleep patterns and the risk of cardiovascular diseases. Sleep 2024; 47:zsae084. [PMID: 38635888 DOI: 10.1093/sleep/zsae084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/04/2024] [Indexed: 04/20/2024] Open
Abstract
STUDY OBJECTIVES To investigate the role of longitudinal change of sleep patterns in the incidence of cardiovascular diseases (CVD). METHODS Based on UK Biobank, a total of 18 172 participants were enrolled. Five dimensions of healthy sleep including early chronotype, sleep 7-8 hours/day, free of insomnia, no snoring, and no frequent excessive daytime sleepiness were used to generate a healthy sleep score (HSS) ranging from 0 to 5. Corresponding to the HSS of 0-1, 2-3, and 4-5, the poor, intermediate, and healthy sleep patterns were defined. Based on changes in HSS across assessments 1 and 2, we calculated the absolute difference of HSS. For the change in sleep patterns, we categorized five profiles (stable healthy, worsening, stable intermediate, optimizing, and stable poor sleep patterns). The outcomes were incidence of CVD including coronary heart disease (CHD) and stroke. We assessed the adjusted hazard ratios and 95% confidence intervals (CIs) by Cox hazard models. RESULTS Compared with participants with stable poor patterns, those who improved their sleep patterns or maintained healthy sleep patterns had a 26% and 32% lower risk of CVD, respectively. Stable healthy sleep pattern was associated with a 29% and 44% reduced risk of CHD and stroke. Per unit, longitudinal increment of the HSS was related to an 8% lower risk of CVD and CHD. Compared with individuals with constant HSS, those with decreased HSS had a 13% higher risk of developing CVD. CONCLUSIONS Optimizing sleep patterns and maintaining a healthy sleep pattern may reduce the risk of CVD.
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Affiliation(s)
- Lingfang He
- Department of Geriatric Medicine, Center of Coronary Circulation, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Tianqi Ma
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Xuerui Wang
- Department of Geriatric Medicine, Center of Coronary Circulation, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xunjie Cheng
- Department of Geriatric Medicine, Center of Coronary Circulation, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yongping Bai
- Department of Geriatric Medicine, Center of Coronary Circulation, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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5
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Jiang Y, Yu T, Fan J, Guo X, Hua H, Xu D, Wang Y, Yan CH, Xu J. Longitudinal associations of social jetlag with obesity indicators among adolescents - Shanghai adolescent cohort. Sleep Med 2024; 121:171-178. [PMID: 38991425 DOI: 10.1016/j.sleep.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 06/17/2024] [Accepted: 07/03/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVE To explore the longitudinal association between social-jetlag (SJL) and obesity development among adolescents, sex-difference and related modifying factors in the association. METHODS Based on Shanghai-Adolescent-Cohort during 2017-2021, a total of 609 students were investigated. In grade 6, 7 and 9, the information on SJL was collected using questionnaires, and anthropometric measures were conducted. The fingernail cortisol and progesterone levels in grade 6 (using LC-MS/MS) and body composition in grade 9 (using Inbody-S10) were measured. By the latent-class-mixture-modeling, two trajectories for SJL (high-level vs. low-level) throughout 4 years were developed. The prospective associations of SJL trajectories and weight/fat gains were analyzed by sex and under different (high/moderate/low) cortisol/progesterone stratifications. RESULTS In grades 6-9, 39.00%-44.50 % of adolescents experienced at least 1 h of SJL. Compared with the low-level SJL trajectory, the high-level SJL trajectory was associated with greater differences in body-mass-index Z-scores and waist-to-height ratios across 4 years, higher levels of body-fat-percentage and fat-mass-index in grade 9 (P-values<0.05), and such associations were stronger among girls and under moderate-to-high (vs. low) baseline cortisol and progesterone levels. However, no significant associations among boys were observed. CONCLUSIONS High-level SJL in adolescents may be associated with the development of obesity, especially among adolescent girls and under relatively high baseline cortisol and progesterone levels.
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Affiliation(s)
- Yining Jiang
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Ting Yu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Jue Fan
- Department of Children's Healthcare, MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Changning Maternity & Infant Health Institute, Shanghai, China
| | - Xiangrong Guo
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Hui Hua
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
| | - Dongqing Xu
- Institute of Higher Education, Fudan University, Shanghai, China
| | - Yuefen Wang
- Shanghai Municipal Education Commission Department, Shanghai, China
| | - Chong-Huai Yan
- Department of Children's Healthcare, MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian Xu
- The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Department of Children's Healthcare, MOE-Shanghai Key Lab of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Lappalainen T, Jurvelin H, Tulppo MP, Pesonen P, Auvinen J, Timonen M. Chronotype and metabolic syndrome in midlife: findings from the Northern Finland Birth Cohort 1966. Am J Physiol Heart Circ Physiol 2024; 327:H38-H44. [PMID: 38758129 DOI: 10.1152/ajpheart.00051.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/18/2024]
Abstract
Evening chronotype is known to be associated with various chronic diseases and cardiovascular risk factors. Metabolic syndrome is a group of conditions that together raise the risk of coronary heart disease, diabetes, stroke, and other serious health problems. Only a few studies have been published on the association between chronotype and metabolic syndrome in unselected population data, with conflicting results. The aim of this study was to evaluate the association between chronotype and metabolic syndrome at population level by using unselected Northern Finland Birth cohort 1966 (NFBC1966) database. The study population consists of participants with NFBC66 (n = 5,113, 57% female) at the age of 46 yr old. Chronotype was determined with shortened Morningness-Eveningness Questionnaires and expressed as morning (44%), intermediate (44%), and evening types (12%). Metabolic syndrome was determined according to the definition of International Diabetes Federation. One-way ANOVA, Kruskal-Walli's test, and χ2 tests were used to compare the chronotype groups, followed by logistic regression analysis (adjusted with alcohol consumption, smoking, marital status, level of education, and leisure-time physical activity). In women, the prevalence of metabolic syndrome was statistically significantly higher in the evening type group: 23, 24, and 34% for morning, intermediate, and evening groups, respectively (P < 0.001). In logistic regression analysis, evening chronotype was associated with higher risk of having metabolic syndrome (OR 1.5; CI 95% 1.2 to 2.0). In this population-based birth cohort study, the evening chronotype was independently associated with higher prevalence of metabolic syndrome in women.NEW & NOTEWORTHY Only a few studies have been conducted on the association between chronotype and metabolic syndrome in unselected population data, with conflicting results. In this population-based cohort study of 5,113 participants, the evening chronotype associated with metabolic syndrome in women when there was no such association in men. The result supports a previous South Korean population study of 1,620 participants, in which the association was also found in women, but not in men.
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Affiliation(s)
- Taru Lappalainen
- Research Unit of Population Health, University of Oulu, Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Heidi Jurvelin
- Research Unit of Population Health, University of Oulu, Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Mikko P Tulppo
- Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
- Research Unit of Biomedicine and Internal Medicine, University of Oulu, Oulu, Finland
| | - Paula Pesonen
- Infrastructure for Population Studies, Northern Finland Birth Cohorts, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Juha Auvinen
- Research Unit of Population Health, University of Oulu, Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
| | - Markku Timonen
- Research Unit of Population Health, University of Oulu, Oulu, Finland
- Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
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Festus ID, Spilberg J, Young ME, Cain S, Khoshnevis S, Smolensky MH, Zaheer F, Descalzi G, Martino TA. Pioneering new frontiers in circadian medicine chronotherapies for cardiovascular health. Trends Endocrinol Metab 2024; 35:607-623. [PMID: 38458859 DOI: 10.1016/j.tem.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 03/10/2024]
Abstract
Cardiovascular disease (CVD) is a global health concern. Circadian medicine improves cardiovascular care by aligning treatments with our body's daily rhythms and their underlying cellular circadian mechanisms. Time-based therapies, or chronotherapies, show special promise in clinical cardiology. They optimize treatment schedules for better outcomes with fewer side effects by recognizing the profound influence of rhythmic body cycles. In this review, we focus on three chronotherapy areas (medication, light, and meal timing) with potential to enhance cardiovascular care. We also highlight pioneering research in the new field of rest, the gut microbiome, novel chronotherapies for hypertension, pain management, and small molecules that targeting the circadian mechanism.
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Affiliation(s)
- Ifene David Festus
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Jeri Spilberg
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Martin E Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sean Cain
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Victoria, Australia
| | - Sepideh Khoshnevis
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Michael H Smolensky
- Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, TX, USA; Department of Internal Medicine, Division of Cardiology, McGovern School of Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Fariya Zaheer
- Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Giannina Descalzi
- Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada
| | - Tami A Martino
- Centre for Cardiovascular Investigations, University of Guelph; Guelph, Ontario, Canada; Department of Biomedical Sciences, University of Guelph; Guelph, Ontario, Canada.
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Koren D, Knutson KL, Burke BK, Drews KL, Bacha F, Katz L, Marcus MD, McKay S, Nadeau K, Mokhlesi B. The association of self-reported sleep and circadian measures with glycemic control and diabetes complications among young adults with type 2 diabetes. Am J Physiol Heart Circ Physiol 2024; 326:H1386-H1395. [PMID: 38607342 DOI: 10.1152/ajpheart.00550.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 03/19/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024]
Abstract
We aim to examine the association of sleep duration, sleep quality, late chronotype, and circadian misalignment with glycemic control and risk of complications in young adults with youth-onset type 2 diabetes followed in the Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) study. Self-reported sleep duration, quality, timing, and circadian misalignment were assessed via a modified Pittsburgh Sleep Quality Index (PSQI) questionnaire, and chronotype was assessed via the Morningness-Eveningness Questionnaire (MEQ). We examined diabetes complications including loss of glycemic control (defined as hemoglobin A1c ≥8%), hypertension, dyslipidemia, albuminuria, and diabetic peripheral neuropathy. Multivariable logistic regression models were constructed to assess associations between sleep and circadian measures with outcomes of interest, such as loss of glycemic control and diabetes complications. A total of 421 participants (34.2% male), mean age 23.6 ± 2.5 yr, mean body mass index (BMI) of 36.1 ± 8.3 kg/m2, and mean diabetes duration of 10.0 ± 1.5 yr were evaluated. Self-reported short sleep duration, daytime sleepiness, and sleep quality were not associated with loss of glycemic control or diabetes complications. Late self-reported bedtime (after midnight) on work/school nights, rather than self-expressed chronotype or circadian misalignment, was independently associated with loss of glycemic control. An association was seen between late bedtimes and albuminuria but was attenuated after adjusting for depression. In conclusion, late bedtime on work/school days, rather than short sleep duration, daytime sleepiness, or poor sleep quality, was independently associated with loss of glycemic control in this longitudinal cohort of young adults with youth-onset type 2 diabetes.NEW & NOTEWORTHY The prevalence of type 2 diabetes in youth is increasing at an alarming rate. Identifying potentially modifiable factors modulating glycemic control is critically important to reduce micro and macrovascular complications. In a large cohort of youth-onset type 2 diabetes, self-reported late bedtime on work/school days was independently associated with loss of glycemic control in this longitudinal cohort of young adults with youth-onset type 2 diabetes.
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Affiliation(s)
- Dorit Koren
- Massachusetts General Hospital, Boston, Massachusetts, United States
| | | | - Brian K Burke
- The Biostatistics Center, George Washington University, Rockville, Maryland, United States
| | - Kimberly L Drews
- The Biostatistics Center, George Washington University, Rockville, Maryland, United States
| | - Fida Bacha
- Baylor College of Medicine, Houston, Texas, United States
| | - Lorraine Katz
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States
| | - Marsha D Marcus
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States
| | - Siripoom McKay
- Baylor College of Medicine, Houston, Texas, United States
| | - Kristen Nadeau
- University of Colorado Anschutz Medical Center, Aurora, Colorado, United States
| | - Babak Mokhlesi
- Rush University Medical Center, Chicago, Illinois, United States
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Bernardino VMM, de Lima LCM, Granja GL, Neves ÉTB, de Paiva SM, Granville-Garcia AF. The effect of sleep disorders, school jet lag, and anxiety in students 8-10 years of age on traumatic dental injuries. Dent Traumatol 2024; 40:289-297. [PMID: 38009902 DOI: 10.1111/edt.12913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND/AIM Traumatic dental injuries (TDI) constitute a public health problem. The aim of the present study was to investigate whether sleep disorders, school jet lag, and anxiety are associated with TDI in schoolchildren 8-10 years of age. METHODS An analytical, cross-sectional study was conducted with 739 pairs of parents/guardians and children enrolled in public and private schools. The parents/guardians answered a socioeconomic questionnaire, the Sleep Disturbance Scale for Children, Circadian Energy Scale, and Revised Children's Manifest Anxiety Scale. Four examiners underwent calibration exercises for the diagnosis of TDI (K > 0.80) using the criteria proposed by Andreasen (2007). A directed acyclic graph was used for the formulation of the theoretical model and statistical adjustments. Unadjusted and adjusted robust binary logistic regression analyses were performed (α = 5%). RESULTS The prevalence of TDI was 16.2%. The following variables remained associated with the outcome in the final model: family income less than or equal to the minimum monthly wage (OR = 1.77; 95% CI: 1.09-2.88; p = .02), child's height >137.6 cm (OR = 1.68; 95% CI: 1.06-2.64; p = .02), the occurrence of school jet lag (OR = 2.12; 95% CI: 1.27-3.53; p = .004), anxiety (OR = 1.77; 95% CI: 1.04-3.00; p = .04) and sleep disorders (OR = 1.63; 95% CI: 1.38-1.93; p = .05). CONCLUSION Children from families with a lower income, taller children, those with school jet lag, those with anxiety and those with sleep disorders had a greater occurrence of TDI.
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Affiliation(s)
| | - Larissa Chaves Morais de Lima
- Post-Graduation Program in Dentistry, Dental School, Universidade Estadual da Paraíba-UEPB, Campina Grande, Paraíba, Brazil
| | - Gélica Lima Granja
- Post-Graduation Program in Dentistry, Dental School, Universidade Estadual da Paraíba-UEPB, Campina Grande, Paraíba, Brazil
| | - Érick Tássio Barbosa Neves
- Post-Graduation Program in Dentistry, Dental School, Universidade Estadual da Paraíba-UEPB, Campina Grande, Paraíba, Brazil
| | - Saul Martins de Paiva
- Department of Pediatric Dentistry and Orthodontics, Dental School, Universidade Federal de Minas Gerais-UFMG, Belo Horizonte, Minas Gerais, Brazil
| | - Ana Flávia Granville-Garcia
- Post-Graduation Program in Dentistry, Dental School, Universidade Estadual da Paraíba-UEPB, Campina Grande, Paraíba, Brazil
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Chen Q, Gong L, Song Y, Zhang J, Han X, Zhou Y, Li L, Jiang X, Hao Y, Zhou H, Lou X, Wang X. Associations between multiple sleep dimensions and suicide and non-suicidal self-injury: a cross-sectional study of 3828 Chinese young people. Soc Psychiatry Psychiatr Epidemiol 2024:10.1007/s00127-024-02689-z. [PMID: 38780778 DOI: 10.1007/s00127-024-02689-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
PURPOSE Suicide and non-suicidal self-injury (NSSI) are preventable concerns in young people. Suicidal ideation (SI), suicidal plans (SP) and suicidal attempt (SA) are closely related to death. Sleep problems are known risk factors for suicide and NSSI. This study aimed to explore the relationship between sleep, suicidality and NSSI. METHODS Participants were 3,828 middle school and college students aged 11-23 years from urban and rural areas of Henan Province. Sleep, suicidal phenomena and NSSI were assessed by applying self-reported questionnaires. Chi-squared tests were utilized to demonstrate the demographic data and sleep variables. The correlation between sleep, suicidality and NSSI were explored by using binary logistic regression, while adjusting socio-demographic characteristics with multivariate models. RESULTS Sleep variables except mid-sleep time were related to suicidal phenomena (P < 0.05). Greater social jet lag (SJL) [≥ 2 h (h)] was associated with increased risk of SI [Odds ratios (OR) = 1.72, 95% confidence intervals (CI):1.40-2.11], SP (OR = 2.10, 95%CI:1.59-2.79) and SA (OR = 1.50, 95%CI:1.00-2.26). Non-only child participants with SJL (≥ 2 h) had significantly increased odds of SI (OR = 1.75, 95%CI: 1.41-2.18) and SP (OR = 2.25, 95%CI: 1.66-3.05). Eveningness chronotype had the strongest correlation with SI (OR = 3.87, 95%CI:2.78-5.38), SP (OR = 4.72, 95%CI:2.97-7.50), SA (OR = 6.69, 95%CI:3.08-14.52) and NSSI (OR = 1.39, 95%CI:1.02-1.90). CONCLUSION Overlong or short sleep duration, SJL, eveningness chronotype and other sleep abnormalities (e.g., daytime dysfunction, low sleep efficiency) were associated with a higher prevalence of SI, SP and SA. Additionally, eveningness was significantly correlated with NSSI among young people. These findings suggested the importance of assessing and intervening in sleep habits to prevent suicide and NSSI in young people.
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Affiliation(s)
- Qiuyuan Chen
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Lu Gong
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Yalin Song
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Jiangtao Zhang
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Xinke Han
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Yuhang Zhou
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Lijie Li
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Xili Jiang
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Yudan Hao
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Huijun Zhou
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Xiaomin Lou
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China
| | - Xian Wang
- College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, Henan, 450001, PR China.
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11
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You S, Zhang HF, Zhang SL, Gao QY, Cai YW, Huang ZG, Wu YB, Chen YX, Wang JF, Gao JW, Liu PM. Sleep Patterns and Traditional Cardiovascular Health Metrics: Joint Impact on Major Adverse Cardiovascular Events in a Prospective Cohort Study. J Am Heart Assoc 2024; 13:e033043. [PMID: 38686862 PMCID: PMC11179879 DOI: 10.1161/jaha.123.033043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/25/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND This study examines the association between traditional cardiovascular health (CVH) metrics and major adverse cardiovascular events (MACE) incidence in individuals with diverse sleep patterns. METHODS AND RESULTS We analyzed data from 208 621 participants initially free of cardiovascular disease (CVD) in the UK Biobank study. Sleep patterns were assessed using scores for chronotype, duration, insomnia, snoring, and daytime dozing. Traditional CVH scores were derived from the Life's Simple 7 metrics. Cox proportional hazards multivariate regression assessed associations between distinct combinations of CVH and sleep scores and MACE, including nonfatal myocardial infarction, nonfatal stroke, and CVD mortality. Over a mean follow-up of 12.73 years, 9253 participants experienced incident MACE. Individuals with both a healthy sleep pattern and ideal CVH levels had the lowest MACE risk compared with those with a poor sleep pattern and poor CVH levels (hazard ratio, 0.306 [95% CI, 0.257-0.365]; P<0.001). Elevated CVH scores were associated with a reduced risk of MACE across different sleep patterns. Similar trends were observed for individual MACE components, heart failure, and all-cause mortality. These findings remained robust in sensitivity analyses and across various subgroups. CONCLUSIONS In individuals without known CVD, maintaining a favorable sleep pattern and achieving optimal CVH levels, as measured by traditional metrics, were associated with the lowest MACE risk. Enhanced CVH significantly reduced CVD risk, even in individuals with a poor sleep pattern. These results emphasize the importance of considering multiple dimensions of sleep health alongside CVH to mitigate CVD risk. REGISTRATION URL: https://www.ukbiobank.ac.uk; Unique identifier: 91090.
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Affiliation(s)
- Si You
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Hai-Feng Zhang
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Shao-Ling Zhang
- Department of Endocrinology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Qing-Yuan Gao
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Yang-Wei Cai
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Ze-Gui Huang
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Yu-Biao Wu
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Yang-Xin Chen
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Jing-Feng Wang
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Jing-Wei Gao
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
| | - Pin-Ming Liu
- Department of Cardiology, Sun Yat-sen Memorial Hospital Sun Yat-sen University Guangzhou China
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12
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Kim S, Casement MD. Promoting adolescent sleep and circadian function: A narrative review on the importance of daylight access in schools. Chronobiol Int 2024; 41:725-737. [PMID: 38616310 DOI: 10.1080/07420528.2024.2341156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 04/04/2024] [Indexed: 04/16/2024]
Abstract
Adolescent sleep disturbances and circadian delays pose significant challenges to mood and daytime functioning. In this narrative review, we explore the impact of light on sleep and highlight the importance of monitoring and managing light exposure in adolescents throughout the day and night. The benefits of daylight exposure in mitigating sleep and circadian disruptions are well-established; however, interventions targeting access to daylight in adolescents remain understudied and underutilized. The primary aim of this narrative review is to bring attention to this gap in the literature and propose the need for institutional-level interventions that promote access to daylight, especially considering adolescents' early school start times and substantial time spent indoors on weekdays. School-led interventions, such as active commuting to school and outdoor curriculums, have promising effects on sleep and circadian rhythms. Additionally, practical measures to optimize natural light in classrooms, including managing blinds and designing conducive environments, should also be considered. While future studies are necessary to facilitate the implementation of interventions, the potential for these school-level interventions to support adolescent sleep health is evident. Aiming for integration of individual-level regulation and institutional-level intervention of light exposure is necessary for optimal outcomes.
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Affiliation(s)
- Sojeong Kim
- Department of Psychology, University of Oregon, Eugene, Oregon, USA
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13
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Morssinkhof MWL, Zwager A, van der Tuuk K, den Heijer M, van der Werf YD, Stenvers DJ, Broekman BFP. Chronotype changes after sex hormone use: A prospective cohort study in transgender users of gender-affirming hormones. Chronobiol Int 2024; 41:658-668. [PMID: 38616311 PMCID: PMC11132553 DOI: 10.1080/07420528.2024.2339989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 04/02/2024] [Indexed: 04/16/2024]
Abstract
Chronotype, an individual's preferred sleep-wake timing, is influenced by sex and age. Men sometimes report a later chronotype than women and older age is associated with earlier chronotype. The sex-related changes in chronotype coincide with puberty and menopause. However, the effects of sex hormones on human chronotype remain unclear. To examine the impact of 3 months of gender-affirming hormone therapy (GAHT) on chronotype in transgender persons, this study used data from 93 participants from the prospective RESTED cohort, including 49 transmasculine (TM) participants starting testosterone and 44 transfeminine (TF) participants starting estrogens and antiandrogens. Midpoint of sleep and sleep duration were measured using the ultra-short Munich ChronoType Questionnaire (µMCTQ). After 3 months of GAHT, TM participants' midpoint of sleep increased by 24 minutes (95% CI: 3 to 45), whereas TF participants' midpoint of sleep decreased by 21 minutes (95% CI: -38 to -4). Total sleep duration did not change significantly in either group. This study provides the first prospective assessment of sex hormone use and chronotype in transgender persons, showing that GAHT can change chronotype in line with cisgender sex differences. These findings provide a basis for future studies on biological mechanisms and clinical consequences of chronotype changes.
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Affiliation(s)
- Margot W. L. Morssinkhof
- Department of Psychiatry, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Endocrinology and Metabolism, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Psychiatry and Medical Psychiatry, OLVG, Amsterdam, The Netherlands
- Center of Expertise on Gender Dysphoria, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Annefleur Zwager
- Department of Psychiatry, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Endocrinology and Metabolism, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Karin van der Tuuk
- Department of Obstetrics and Gynaecology, University Medical Centre Groningen, Groningen, The Netherlands
| | - Martin den Heijer
- Department of Endocrinology and Metabolism, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Center of Expertise on Gender Dysphoria, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Ysbrand D. van der Werf
- Department of Anatomy and Neurosciences, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Neuroscience, Compulsivity Impulsivity and Attention, Amsterdam, The Netherlands
| | - Dirk Jan Stenvers
- Department of Endocrinology and Metabolism, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Center of Expertise on Gender Dysphoria, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam,Amsterdam, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam UMC, Amsterdam, The Netherlands
| | - Birit F. P. Broekman
- Department of Psychiatry, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Psychiatry and Medical Psychiatry, OLVG, Amsterdam, The Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam UMC, Amsterdam, The Netherlands
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14
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Monserrat-Mesquida M, Quetglas-Llabrés MM, Bouzas C, García S, Mateos D, Ugarriza L, Gómez C, Tur JA, Sureda A. Effects of Regular Exercise on the Biochemical, Oxidative, and Inflammatory Profiles and Quality of Life in Older Spaniards with Metabolic Syndrome. Antioxidants (Basel) 2024; 13:450. [PMID: 38671898 PMCID: PMC11047339 DOI: 10.3390/antiox13040450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
Metabolic syndrome increases the risk of developing diabetes and cardiovascular disease. The regular practice of physical activity is a crucial factor for healthy aging and for controlling and preventing chronic diseases. To assess the effects of regular physical activity on the biochemical and inflammatory profiles, as well as the quality of life of older adults diagnosed with metabolic syndrome. Participants (aged 55-70 years; living in the Balearic Islands, Spain) were divided into two groups (n = 50 each) according to the degree of physical activity measured by metabolic equivalents of task (METs). Anthropometric parameters, blood pressure, biochemical and hematological parameters, and inflammatory biomarkers were measured. Beck Depression Inventory and adherence to the Mediterranean diet questionnaires, as well as the Dietary Inflammatory Index, chair test, health-related quality of life (HRQoL), and Rapid Assessment of Physical Activity, were also determined. The characterization of the patients was similar in both groups, showing a homogeneous sample. The group with the highest METs experienced a decrease in depression and an increase in the intensity of physical activity. Adherence to the Mediterranean diet and HRQoL physical dimensions increased in participants with the highest METs, also showing a decrease in glycemia and glycosylated hemoglobin values. Inflammatory biomarkers, including tumor necrosis factor alpha, interleukin-6, interleukin-1β, and osteoprotegerin, decreased in patients practicing more physical activity. High levels of physical activity are related to a healthier lifestyle, characterized by high adherence to the Mediterranean diet, decreased depressive behavior, oxidative stress, and inflammatory status in older people with metabolic syndrome.
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Affiliation(s)
- Margalida Monserrat-Mesquida
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - Maria Magdalena Quetglas-Llabrés
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - Cristina Bouzas
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - Silvia García
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - David Mateos
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - Lucía Ugarriza
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
- C.S. Camp Redó, IBSalut, 07010 Palma de Mallorca, Spain
| | - Cristina Gómez
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
- Clinical Analysis Service, University Hospital Son Espases, 07120 Palma de Mallorca, Spain
| | - Josep A. Tur
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
| | - Antoni Sureda
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands-IUNICS, 07122 Palma de Mallorca, Spain; (M.M.-M.)
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Health Research Institute of Balearic Islands (IdISBa), 07120 Palma de Mallorca, Spain
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15
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Dial MB, Malek EM, Cooper AR, Neblina GA, Vasileva NI, Hines DJ, McGinnis GR. Social jet lag impairs exercise volume and attenuates physiological and metabolic adaptations to voluntary exercise training. J Appl Physiol (1985) 2024; 136:996-1006. [PMID: 38450426 PMCID: PMC11305643 DOI: 10.1152/japplphysiol.00632.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 01/31/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024] Open
Abstract
Social jet lag (SJL) is a misalignment between sleep and wake times on workdays and free days. SJL leads to chronic circadian rhythm disruption and may affect nearly 70% of the general population, leading to increased risk for cardiometabolic diseases. This study investigated the effects of SJL on metabolic health, exercise performance, and exercise-induced skeletal muscle adaptations in mice. Ten-week-old C57BL/6J mice (n = 40) were allocated to four groups: control sedentary (CON-SED), control exercise (CON-EX), social jet lag sedentary (SJL-SED), and social jet lag exercise (SJL-EX). CON mice were housed under a 12:12-h light-dark cycle. SJL was simulated by implementing a 4-h phase delay for 3 days to simulate "weekends," followed by a 4-h phase advance back to "weekdays," for 6 wk. EX mice had free access to a running wheel. Graded exercise tests (GXTs) and glucose tolerance tests (GTTs) were performed at baseline and after intervention to monitor the effects of exercise and social jet lag on cardiorespiratory and metabolic health, respectively. SJL led to alterations in activity and running patterns and clock gene expression in skeletal muscle and decreased average running distance (P < 0.05). SJL-SED mice gained significantly more weight compared with CON-SED and SJL-EX mice (P < 0.01). SJL impaired fasting blood glucose and glucose tolerance compared with CON mice (P < 0.05), which was partially restored by exercise in SJL-EX mice. SJL also blunted improvements in exercise performance and mitochondrial content in the quadriceps. These data suggest that SJL blunted some cardiometabolic adaptations to exercise and that proper circadian hygiene is necessary for maintaining health and performance.NEW & NOTEWORTHY In mice, disrupting circadian rhythms with social jet lag for 6 wk caused significant weight gain, higher fasting blood glucose, and impaired glucose tolerance compared with control. Voluntary exercise in mice experiencing social jet lag prevented weight gain, though the mice still experienced increased fasting blood glucose and impaired exercise performance compared with trained mice not experiencing social jet lag. Social jet lag seems to be a potent circadian rhythm disruptor that impacts exercise-induced training adaptations.
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Affiliation(s)
- Michael B Dial
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
| | - Elias M Malek
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
| | - Austin R Cooper
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
| | - Greco A Neblina
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
| | - Nikoleta I Vasileva
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
| | - Dustin J Hines
- Department of Psychology, Psychological and Brain Sciences and Interdisciplinary Neuroscience Programs, University of Nevada, Las Vegas, Nevada, United States
| | - Graham R McGinnis
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, Nevada, United States
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16
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Duraccio KM, Xu Y, Beebe DW, Lanphear B, Chen A, Braun JM, Kalkwarf H, Cecil KM, Yolton K. High levels of sleep disturbance across early childhood increases cardiometabolic disease risk index in early adolescence: longitudinal sleep analysis using the Health Outcomes and Measures of the Environment study. Sleep 2024; 47:zsad318. [PMID: 38092369 PMCID: PMC10925946 DOI: 10.1093/sleep/zsad318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 11/12/2023] [Indexed: 03/12/2024] Open
Abstract
STUDY OBJECTIVES This study examines the impact of sleep duration, bedtime, and sleep disturbance during early childhood on the risk of cardiometabolic disorder (CMD) in early adolescence. METHODS Within the Health Outcomes and Measures of Environment Study, we examined sleep patterns of 330 children from ages 2 to 8 years and the relationship of these sleep patterns with cardiometabolic risk measures at age 12 (N = 220). We used a group-based semi-parametric mixture model to identify distinct trajectories in sleep duration, bedtime timing, and sleep disturbance for the entire sample. We then examined the associations between sleep trajectories and CMD risk measures using general linear models using both an unadjusted model (no covariates) and an adjusted model (adjusting for child pubertal stage, child sex, duration of breastfeeding, household income, maternal education, and maternal serum cotinine). RESULTS In the unadjusted and adjusted models, we found significant differences in CMD risk scores by trajectories of sleep disturbance. Children in the "high" disturbance trajectory had higher CMD risk scores than those in the 'low' disturbance trajectory (p's = 0.002 and 0.039, respectively). No significant differences in CMD risk were observed for bedtime timing or total sleep time trajectories in the unadjusted or adjusted models. CONCLUSIONS In this cohort, caregiver-reported sleep disturbance in early childhood was associated with more adverse cardiometabolic profiles in early adolescence. Our findings suggest that trials to reduce CMD risk via sleep interventions-which have been conducted in adolescents and adults-may be implemented too late.
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Affiliation(s)
| | - Yingying Xu
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of General and Community Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Dean W Beebe
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Bruce Lanphear
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - Aimin Chen
- Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Joseph M Braun
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
| | - Heidi Kalkwarf
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Kim M Cecil
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Department of Radiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Kimberly Yolton
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
- Division of General and Community Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
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17
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Chen S, Liu Z, Yan S, Du Z, Cheng W. Increased susceptibility to new-onset atrial fibrillation in diabetic women with poor sleep behaviour traits: findings from the prospective cohort study in the UK Biobank. Diabetol Metab Syndr 2024; 16:51. [PMID: 38414084 PMCID: PMC10898144 DOI: 10.1186/s13098-024-01292-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/13/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND Diabetic individuals often encounter various sleep-related challenges. Although the association between sleep duration and atrial fibrillation (AF) have been explored, the association of other sleep traits with the incidence of AF remains unclear. A comprehensive understanding of these traits is essential for a more accurate assessment of sleep conditions in patients with diabetes and the development of novel AF prevention strategies. METHODS This study involved 23,785 patients with diabetes without any pre-existing cardiovascular disease, drawn from the UK Biobank. Sleep behaviour traits examined encompassed sleep duration, chronotype, insomnia, snoring and daytime sleepiness. Sleep duration was categorised into three groups: low (≤ 5 h), proper (6-8 h) and long (≥ 9 h). We assessed associations using multivariate Cox proportional risk regression models. Furthermore, four poor sleep behaviours were constructed to evaluate their impact on the risk of new-onset AF. RESULTS Over a mean follow-up period of 166 months, 2221 (9.3%) new cases of AF were identified. Short (hazard ratio (HR), 1.28; 95% confidence interval (CI) 1.10-1.50) and long sleep durations (HR 1.16; 95% CI 1.03-1.32) consistently exhibited an elevated risk of AF compared to optimal sleep duration. Early chronotype, infrequent insomnia and daytime sleepiness were associated with 11% (HR 0.89; 95% CI 0.82-0.97), 15% (HR 0.85; 95% CI 0.77-0.95) and 12% (HR 0.88; 95% CI 0.81-0.96) reduced risk of new-onset AF, respectively. However, no significant association was found between snoring and the incidence of AF (HR 0.99; 95% CI 0.91-1.07). CONCLUSIONS In diabetic populations, sleep duration, chronotype, insomnia and daytime sleepiness are strongly associated with AF incidence. An optimal sleep duration of 6-8 h presents the lowest AF risk compared to short or long sleep duration. Additionally, poor sleep patterns present a greater risk of new-onset AF in women than in men.
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Affiliation(s)
- Siwei Chen
- Department of Cardiovascular Medicine, Nanchang People's Hospital (The Third Hospital of Nanchang), Jiangxi, China
| | - Zhou Liu
- Department of Geriatric Medicine, The Fifth People's Hospital of Huai'an, The Affiliated Huai'an Hospital of Yangzhou University, Huai'an, China
- Department of Cardiology, The Fifth People's Hospital of Huai'an, The Affiliated Huai'an Hospital of Yangzhou University, Huai'an, China
| | - Shaohua Yan
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhongyan Du
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China.
- Key Laboratory of Blood-stasis-toxin Syndrome of Zhejiang Province, Zhejiang Engineering Research Center for "Preventive Treatment" Smart Health of Traditional Chinese Medicine, Hangzhou, 310053, China.
| | - Wenke Cheng
- Medical Faculty, University of Leipzig, Liebigstr 27, 04103, Leipzig, Germany.
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Garcia-Molina G, Chellamuthu V, Le B, Aloia M, Wu M, Mills R. Observational study to understand the effect of timing and regularity on sleep metrics and cardiorespiratory parameters using data from a smart bed. Chronobiol Int 2024; 41:213-225. [PMID: 38153128 DOI: 10.1080/07420528.2023.2298267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 12/17/2023] [Indexed: 12/29/2023]
Abstract
Sleep regularity and chronotype can affect health, performance, and overall well-being. This observational study examines how sleep regularity and chronotype affect sleep quality and cardiorespiratory metrics. Data was collected from 1 January 2019 through 30 December 2019 from over 330 000 Sleep Number smart bed users across the United States who opted into this at-home study. A pressure signal from the smart bed reflected bed presence, movements, heart rate (HR), and breathing rate (BR). Participants (mean age: 55.69 years [SD: 14.0]; 51.2% female) were categorized by chronotype (16.8% early; 62.2% intermediate, 20.9% late) and regularity of sleep timing. Participants who were regular sleepers (66.1%) experienced higher percent restful sleep and lower mean HR and BR compared to the 4.8% categorized as irregular sleepers. Regular early-chronotype participants displayed better sleep and cardiorespiratory parameters compared to those with regular late-chronotypes. Significant variations were noted in sleep duration (Cohen's d = 1.54 and 0.88, respectively) and restful sleep (Cohen's d = 1.46 and 0.82, respectively) between early and late chronotypes, particularly within regular and irregular sleep patterns. This study highlights how sleep regularity and chronotype influence sleep quality and cardiorespiratory metrics. Irrespective of chronotype, sleep regularity demonstrated a substantial effect. Further research is necessary to confirm these findings.
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Affiliation(s)
- Gary Garcia-Molina
- Sleep Number Labs, San Jose, California, USA
- Center for Sleep and Consciousness, Department of Psychiatry, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | | | - Brandon Le
- Sleep Number Labs, San Jose, California, USA
| | - Mark Aloia
- Department of Medicine, National Jewish Health, Denver, Colorado, USA
- Sleep Number Corporation, Minneapolis, Minnesota, USA
| | - Michael Wu
- Sleep Number Labs, San Jose, California, USA
| | - Rajasi Mills
- Sleep Number Corporation, Minneapolis, Minnesota, USA
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19
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Jung EJ, Cho SS, Lee HE, Min J, Jang TW, Kang MY. Association between social jetlag and self-rated health: Evidence from Korean representative working population. Sleep Med 2024; 114:86-91. [PMID: 38160581 DOI: 10.1016/j.sleep.2023.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/12/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Social jetlag is a circadian misalignment that arises from a discrepancy between activity/sleep schedules on school/work days and free days. This study explored the correlation between social jetlag and self-rated health (SRH) in a representative sample of Korea. METHODS This study included 8259 working population in the Korea National Health and Nutrition Examination Survey, 2016-2018. Social jetlag was calculated as the difference between the midpoint of sleep time on work day and work-free day. Five-point Likert scale of SRH was used to assess subjective health perception on general health conditions. Multiple logistic regression analysis was performed to calculate the odds ratios (ORs) and 95 % confidence interval (CI) for poor SRH in the 1-2 h or longer than 2 h social jetlag groups compared to that in the reference group (less than 1 h), after adjusting for age, sex, marital status, occupation, household income, and weekly working hours. RESULTS The proportions of those with <1 h, 1-2 h, >2 h of social jetlag were 63.80 %, 25.67 %, and 10.53 %, respectively. The risk of poor SRH increased as social jetlag increased. Greater social jetlag was significantly associated with an increased likelihood of reporting poor SRH. The adjusted ORs for the groups with social jetlag between 1 and <2 h, and >2 h were 1.100 (95 % CI = 0.935-1.295), and 1.503 (95 % CI = 1.097-1.727), respectively. Moreover, the OR trend was statistically significant (p for trend = 0.008). CONCLUSION This study found that social jetlag and poor SRH were significantly related in the Korean working population.
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Affiliation(s)
- En-Joo Jung
- Department of Public Health Center, Seoul National University Hospital, Seoul, Republic of Korea; Department of Preventive Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seong-Sik Cho
- Department of Occupational and Environmental Medicine, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - Hye-Eun Lee
- Department of Social and Preventive Medicine, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Jeehee Min
- Department of Occupational and Environmental Medicine, Hanyang University Hospital, Seoul, Republic of Korea
| | - Tae-Won Jang
- Department of Occupational and Environmental Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Mo-Yeol Kang
- Department of Occupational and Environmental Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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20
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Nunes PP, Resende CM, Barros Silva ED, Piones Bastos DC, Ramires Filho MLM, Leocadio-Miguel MA, Pedrazzoli M, Sobreira-Neto MA, de Andrade TG, Góes Gitaí LL, Teles F. Hemodialysis-induced chronodisruption and chronotype distribution in patients with chronic kidney disease. Chronobiol Int 2024; 41:283-293. [PMID: 38311937 DOI: 10.1080/07420528.2024.2306838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 01/12/2024] [Indexed: 02/06/2024]
Abstract
Changes in circadian rhythms have been observed in patients with chronic kidney disease (CKD), and evidence suggests that these changes can have a negative impact on health. This study aimed to investigate the existence of hemodialysis-induced chronodisruption, the chronotype distribution, and their association with sleep quality and quality of life (QoL). This was a cross-sectional study that enrolled 165 patients (mean age: 51.1 ± 12.5 y, 60.6% male) undergoing hemodialysis from three local units. The following instruments were used: the Morning-Eveningness Questionnaire (MEQ); a modified version of the Munich Chronotype Questionnaire (MCQT) to estimate hemodialysis-induced chronodisruption (HIC); the Kidney Disease QoL Short Form (KDQOL-SF); the Epworth Sleepiness Scale (ESS); the Pittsburgh Sleep Quality Index (PSQI) and the 10-Cognitive Screener (10-CS). HIC was present in 40.6% of CKD patients. Morning chronotype was prevalent in CKD patients (69%) compared to evening-type (17.1%) and significantly different from a paired sample from the general population (p < 0.001). HIC and chronotype were associated with different domains of QoL but not with sleep quality. This study suggests that there is a HIC and that morning chronotype is associated with CKD patients undergoing hemodialysis, with implications for QoL.
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Affiliation(s)
| | | | | | | | | | | | - Mario Pedrazzoli
- School of Arts, Sciences and Humanities, University of São Paulo, São Paulo, Brazil
| | | | - Tiago Gomes de Andrade
- Circadian Medicine Center, Faculty of Medicine, Federal University of Alagoas, Maceió, Brazil
| | - Lívia Leite Góes Gitaí
- Division of Neurology, Faculty of Medicine, Federal University of Alagoas, Maceió, Brazil
| | - Flávio Teles
- Division of Nephrology, Faculty of Medicine, Federal University of Alagoas, Maceió, Brazil
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21
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Morales-Ghinaglia N, He F, Calhoun SL, Vgontzas AN, Liao J, Liao D, Bixler EO, Fernandez-Mendoza J. Circadian misalignment impacts the association of visceral adiposity with metabolic syndrome in adolescents. Sleep 2024; 47:zsad262. [PMID: 37792965 PMCID: PMC10782492 DOI: 10.1093/sleep/zsad262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/08/2023] [Indexed: 10/06/2023] Open
Abstract
STUDY OBJECTIVES Although insufficient sleep is a risk factor for metabolic syndrome (MetS), the circadian timing of sleep (CTS) is also involved in cardiac and metabolic regulation. We examined whether delays and deviations in the sleep midpoint (SM), a measure of CTS, modify the association between visceral adipose tissue (VAT) and MetS in adolescents. METHODS We evaluated 277 adolescents (median 16 years) who had at least 5 nights of at-home actigraphy (ACT), in-lab polysomnography (PSG), dual-energy X-ray absorptiometry (DXA) scan, and MetS score data. Sleep midpoint (SM), sleep irregularity (SI), and social jetlag (SJL) were examined as effect modifiers of the association between VAT and MetS, including waist circumference, blood pressure, insulin resistance, triglycerides, and cholesterol. Linear regression models adjusted for demographics, ACT-sleep duration, ACT-sleep variability, and PSG-apnea-hypopnea index. RESULTS The association between VAT and MetS was significantly stronger (p-values for interactions < 0.001) among adolescents with a schooldays SM later than 4:00 (2.66 [0.30] points increase in MetS score), a SI higher than 1 hour (2.49 [0.30]) or a SJL greater than 1.5 hours (2.15 [0.36]), than in those with an earlier SM (<3:00; 1.76 [0.28]), lower SI (<30 minutes; 0.98 [0.70]), or optimal SJL (<30 minutes; 1.08 [0.45]). CONCLUSIONS A delayed sleep phase, an irregular sleep-wake cycle, and greater social jetlag on schooldays identified adolescents in whom VAT had a stronger association with MetS. Circadian misalignment is a risk factor that enhances the impact of visceral obesity on cardiometabolic morbidity and should be a target of preventative strategies in adolescents.
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Affiliation(s)
- Natasha Morales-Ghinaglia
- Sleep Research and Treatment Center, College of Medicine, Department of Psychiatry and Behavioral Health, Penn State University, Hershey, PA, USA
| | - Fan He
- Department of Public Health Sciences, College of Medicine, Penn State University, Hershey, PA, USA
| | - Susan L Calhoun
- Sleep Research and Treatment Center, College of Medicine, Department of Psychiatry and Behavioral Health, Penn State University, Hershey, PA, USA
| | - Alexandros N Vgontzas
- Sleep Research and Treatment Center, College of Medicine, Department of Psychiatry and Behavioral Health, Penn State University, Hershey, PA, USA
| | - Jason Liao
- Department of Public Health Sciences, College of Medicine, Penn State University, Hershey, PA, USA
| | - Duanping Liao
- Department of Public Health Sciences, College of Medicine, Penn State University, Hershey, PA, USA
| | - Edward O Bixler
- Sleep Research and Treatment Center, College of Medicine, Department of Psychiatry and Behavioral Health, Penn State University, Hershey, PA, USA
| | - Julio Fernandez-Mendoza
- Sleep Research and Treatment Center, College of Medicine, Department of Psychiatry and Behavioral Health, Penn State University, Hershey, PA, USA
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22
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Hu J, Wang X, Cheng L, Dang K, Ming Z, Tao X, Xu X, Sarker SK, Li Y. Sleep patterns and risks of incident cardiovascular disease and mortality among people with type 2 diabetes: a prospective study of the UK Biobank. Diabetol Metab Syndr 2024; 16:15. [PMID: 38212811 PMCID: PMC10782582 DOI: 10.1186/s13098-024-01261-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/05/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND To explore the relationship between sleep patterns and cardiovascular disease (CVD) incidence and mortality risk in a population with type 2 diabetes through a UK Biobank sample. METHODS A total of 6860 patients with type 2 diabetes were included in this study. Five sleep factors (including Chronotype, sleep duration, insomnia, daytime sleepiness, and snoring) were collected as a questionnaire. The calculation generates a sleep score of 0-5, and then three sleep patterns were defined based on the sleep scores: poor sleep pattern (0-2), Intermediate sleep pattern (3-4), and healthy sleep pattern (5). HRs and 95% confidence intervals were calculated by multivariate COX proportional risk model adjustment. Restricted cubic splines were used to validate linear associations between sleep scores CVD events. RESULTS Our results found a reduced risk of CVD events in individuals with healthy sleep patterns compared to participants with poor sleep patterns. CVD Mortality (HR, 0.690; 95% CI 0.519-0.916), ASCVD (Atherosclerosis CVD) (HR, 0.784; 95% CI 0.671-0.915), CAD (Coronary Artery Disease) (HR, 0.737; 95% CI 0.618-0.879), PAD (Peripheral Arterial Disease) (HR, 0.612; 95% CI 0.418-0.896), Heart Failure (HR, 0.653; 95% CI 0.488-0.875). Restricted cubic spline responded to a negative linear correlation between sleep scores and CVD Mortality, ASCVD, CAD, PAD, and Heart Failure. CONCLUSIONS Healthy sleep patterns are significantly associated with a reduced risk of CVD Mortality, ASCVD, CAD, PAD, and Heart Failure in the diabetes population.
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Affiliation(s)
- Jinxia Hu
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Xuanyang Wang
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Licheng Cheng
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Keke Dang
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Zhu Ming
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Xinmiao Tao
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Xiaoqing Xu
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Shuvan Kumar Sarker
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China
| | - Ying Li
- Department of Nutrition and Food Hygiene, Key Laboratory of Precision Nutrition and Health, School of Public Health, Ministry of Education, Harbin Medical University, 157 Baojian Road, Heilongjiang, 150081, People's Republic of China.
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23
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Shafer BM, McAuliffe KE, McHill AW. A longitudinal look at social jetlag, sex differences, and obesity risk. Sleep 2024; 47:zsad298. [PMID: 37976216 PMCID: PMC10782486 DOI: 10.1093/sleep/zsad298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Indexed: 11/19/2023] Open
Affiliation(s)
- Brooke M Shafer
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health and Science University, Portland, OR, USA
| | - Kathryn E McAuliffe
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health and Science University, Portland, OR, USA
| | - Andrew W McHill
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health and Science University, Portland, OR, USA
- Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, OR, USA
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24
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Kobayashi Frisk M, Fagman E, Arvidsson D, Ekblom Ö, Börjesson M, Bergström G, Zou D. Eveningness is associated with coronary artery calcification in a middle-aged Swedish population. Sleep Med 2024; 113:370-377. [PMID: 38118325 DOI: 10.1016/j.sleep.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 12/22/2023]
Abstract
Coronary artery calcification (CAC) is an established imaging biomarker of subclinical atherosclerosis, but its relationship to diurnal preference is not well studied. We investigated the association between chronotype and CAC in the Swedish CArdioPulmonary bioImage Study (SCAPIS) pilot cohort. Participants aged 50-64 years were randomly recruited and underwent extensive examination including imaging and accelerometry-assessed physical activity. 771 participants (47.3 % male, 57.6 ± 4.4 years) were included in this cross-sectional analysis. CAC was assessed by non-contrast computed tomography, and a CAC score > 10 was considered significant calcification. Self-assessed chronotype was classified as extreme morning, moderate morning, intermediate, moderate evening, or extreme evening. 10-year risk of first-onset cardiovascular disease was estimated by the Systemic Coronary Risk Evaluation 2 (SCORE2). Significant CAC was present in 29 % of the cohort. CAC prevalence increased from extreme morning to extreme evening type (22 %, 28 %, 29 %, 27 %, 41 % respectively, p = 0.018). In a multivariate logistic regression model controlling for confounders, extreme evening chronotype was independently associated with increased CAC prevalence compared to extreme morning type (OR 1.90, [95%CI 1.04-3.46], p = 0.037). When stratified by SCORE2 risk category (low: <5 %; moderate: 5 to <10 %; high: ≥10 %), significant CAC was most prevalent among extreme evening chronotypes in the low and moderate-risk groups, while chronotype seemed less important in the high-risk group (p = 0.011, p = 0.023, p = 0.86, respectively). Our findings suggest circadian factors may play an important role in atherosclerosis and should be considered in early cardiovascular prevention.
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Affiliation(s)
- Mio Kobayashi Frisk
- University of Gothenburg, Institute of Medicine, Center for Sleep and Vigilance Disorders, Gothenburg, Sweden.
| | - Erika Fagman
- Sahlgrenska University Hospital, Department of Radiology, Gothenburg, Sweden; University of Gothenburg, Sahlgrenska Academy, Institute of Clinical Sciences, Gothenburg, Sweden
| | - Daniel Arvidsson
- Center for Health and Performance, Department of Food and Nutrition and Sport Science, Faculty of Education, University of Gothenburg, Gothenburg, Sweden
| | - Örjan Ekblom
- Swedish School of Sport and Health Sciences, Department of Physical Activity and Health, Stockholm, Sweden
| | - Mats Börjesson
- Sahlgrenska University Hospital, Östra, Gothenburg, Sweden; University of Gothenburg, Institute of Medicine, Molecular and Clinical Medicine, Gothenburg, Sweden
| | - Göran Bergström
- University of Gothenburg, Institute of Medicine, Molecular and Clinical Medicine, Gothenburg, Sweden; Sahlgrenska University Hospital, Department of Clinical Physiology, Gothenburg, Sweden
| | - Ding Zou
- University of Gothenburg, Institute of Medicine, Center for Sleep and Vigilance Disorders, Gothenburg, Sweden
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25
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Shafer BM, Kogan SA, McHill AW. Pressure Building Against the Clock: The Impact of Circadian Misalignment on Blood Pressure. Curr Hypertens Rep 2024; 26:31-42. [PMID: 37837518 PMCID: PMC10916535 DOI: 10.1007/s11906-023-01274-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2023] [Indexed: 10/16/2023]
Abstract
PURPOSE OF REVIEW Misalignment between the endogenous biological timing system and behavioral activities (i.e., sleep/wake, eating, activity) contributes to adverse cardiovascular health. In this review, we discuss the effects of recurring circadian misalignment on blood pressure regulation and the implications for hypertension development. Additionally, we highlight emerging therapeutic approaches designed to mitigate the negative cardiovascular consequences elicited by circadian disruption. RECENT FINDINGS Circadian misalignment elicited by work schedules that require individuals to be awake during the biological night (i.e., shift work) alters 24-h blood pressure rhythms. Mechanistically, circadian misalignment appears to alter blood pressure via changes in autonomic nervous system balance, variations to sodium retention, dysregulation of endothelial vasodilatory responsiveness, and activation of proinflammatory mechanisms. Recurring circadian misalignment produced by a mismatch in sleep timing on free days vs. work days (i.e., social jetlag) appears to have no direct effects on prevailing blood pressure levels in healthy adults; though, circadian disruptions resulting from social jetlag may increase the risk of hypertension through enhanced sympathetic activation and/or obesity. Furthermore, social jetlag assessment may be a useful metric in shift work populations where the magnitude of circadian misalignment may be greater than in the general population. Circadian misalignment promotes unfavorable changes to 24-h blood pressure rhythms, most notably in shift working populations. While light therapy, melatonin supplementation, and the timing of drug administration may improve cardiovascular outcomes, interventions designed to target the effects of circadian misalignment on blood pressure regulation are warranted.
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Affiliation(s)
- Brooke M Shafer
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health & Science University, 3455 SW US Veterans Hospital Rd, Portland, OR, 97239, USA
| | - Sophia A Kogan
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health & Science University, 3455 SW US Veterans Hospital Rd, Portland, OR, 97239, USA
| | - Andrew W McHill
- Sleep, Chronobiology, and Health Laboratory, School of Nursing, Oregon Health & Science University, 3455 SW US Veterans Hospital Rd, Portland, OR, 97239, USA.
- Oregon Institute of Occupational Health Sciences, Oregon Health & Science University, Portland, OR, USA.
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26
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Rishi MA, Cheng JY, Strang AR, Sexton-Radek K, Ganguly G, Licis A, Flynn-Evans EE, Berneking MW, Bhui R, Creamer J, Kundel V, Namen AM, Spector AR, Olaoye O, Hashmi SD, Abbasi-Feinberg F, Abreu AR, Gurubhagavatula I, Kapur VK, Kuhlmann D, Martin J, Olson E, Patil S, Rowley J, Shelgikar A, Trotti LM, Wickwire EM, Sullivan SS. Permanent standard time is the optimal choice for health and safety: an American Academy of Sleep Medicine position statement. J Clin Sleep Med 2024; 20:121-125. [PMID: 37904574 PMCID: PMC10758561 DOI: 10.5664/jcsm.10898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/01/2023]
Abstract
The period of the year from spring to fall, when clocks in most parts of the United States are set one hour ahead of standard time, is called daylight saving time, and its beginning and ending dates and times are set by federal law. The human biological clock is regulated by the timing of light and darkness, which then dictates sleep and wake rhythms. In daily life, the timing of exposure to light is generally linked to the social clock. When the solar clock is misaligned with the social clock, desynchronization occurs between the internal circadian rhythm and the social clock. The yearly change between standard time and daylight saving time introduces this misalignment, which has been associated with risks to physical and mental health and safety, as well as risks to public health. In 2020, the American Academy of Sleep Medicine (AASM) published a position statement advocating for the elimination of seasonal time changes, suggesting that evidence best supports the adoption of year-round standard time. This updated statement cites new evidence and support for permanent standard time. It is the position of the AASM that the United States should eliminate seasonal time changes in favor of permanent standard time, which aligns best with human circadian biology. Evidence supports the distinct benefits of standard time for health and safety, while also underscoring the potential harms that result from seasonal time changes to and from daylight saving time. CITATION Rishi MA, Cheng JY, Strang AR, et al. Permanent standard time is the optimal choice for health and safety: an American Academy of Sleep Medicine position statement. J Clin Sleep Med. 2024;20(1):121-125.
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Affiliation(s)
| | | | - Abigail R. Strang
- Division of Pulmonary and Sleep Medicine, Nemours Children’s Hospital, Wilmington, Delaware
| | | | - Gautam Ganguly
- Neurology Consultants Medical Group, Whittier, California
| | - Amy Licis
- Department of Neurology, Washington University School of Medicine, St. Louis, Missouri
| | - Erin E. Flynn-Evans
- Fatigue Countermeasures Laboratory, Human Systems Integration Division, NASA Ames Research
| | | | - Raj Bhui
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Jennifer Creamer
- Sleep Disorders Center at Walter Reed National Military Medical Center, Bethesda, Maryland
| | - Vaishnavi Kundel
- Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | | | - Andrew R. Spector
- Department of Neurology, Duke University School of Medicine, Durham, North Carolina
| | | | | | | | - Alexandre Rocha Abreu
- Miller School of Medicine/Universisty of Miami UHealth Sleep Program, Miami, Florida
| | - Indira Gurubhagavatula
- Division of Sleep Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania
| | - Vishesh K. Kapur
- Division of Pulmonary Critical Care and Sleep Medicine, University of Washington, Seattle, Washington
| | - David Kuhlmann
- Sleep Medicine, Bothwell Regional Health Center, Sedalia, Missouri
| | - Jennifer Martin
- Geriatric Research, Education and Clinical Center, Veteran Affairs Greater Los Angeles Healthcare System, North Hills, California
- David Geffen School of Medicine at the University of California, Los Angeles, California
| | - Eric Olson
- Division of Pulmonary and Critical Care Medicine, Center for Sleep Medicine, Mayo Clinic, Rochester, Minnesota
| | - Susheel Patil
- Sleep Medicine Program, University Hospitals of Cleveland, Cleveland, Ohio
- Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - James Rowley
- Rush University Medical Center, Chicago, Illinois
| | - Anita Shelgikar
- University of Michigan Sleep Disorders Center, University of Michigan, Ann Arbor, Michigan
| | - Lynn Marie Trotti
- Emory Sleep Center and Department of Neurology, Emory University School of Medicine, Atlanta, Georgia
| | - Emerson M. Wickwire
- Sleep Disorders Center, Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, Maryland
| | - Shannon S. Sullivan
- Division of Pulmonary, Asthma, and Sleep Medicine, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California
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27
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Goodman MO, Dashti HS, Lane JM, Windred DP, Burns A, Jones SE, Sofer T, Purcell SM, Zhu X, Ollila HM, Kyle SD, Spiegelhalder K, Peker Y, Huang T, Cain SW, Phillips AJK, Saxena R, Rutter MK, Redline S, Wang H. Causal Association Between Subtypes of Excessive Daytime Sleepiness and Risk of Cardiovascular Diseases. J Am Heart Assoc 2023; 12:e030568. [PMID: 38084713 PMCID: PMC10863774 DOI: 10.1161/jaha.122.030568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 10/03/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND Excessive daytime sleepiness (EDS), experienced in 10% to 20% of the population, has been associated with cardiovascular disease and death. However, the condition is heterogeneous and is prevalent in individuals having short and long sleep duration. We sought to clarify the relationship between sleep duration subtypes of EDS with cardiovascular outcomes, accounting for these subtypes. METHODS AND RESULTS We defined 3 sleep duration subtypes of excessive daytime sleepiness: normal (6-9 hours), short (<6 hours), and long (>9 hours), and compared these with a nonsleepy, normal-sleep-duration reference group. We analyzed their associations with incident myocardial infarction (MI) and stroke using medical records of 355 901 UK Biobank participants and performed 2-sample Mendelian randomization for each outcome. Compared with healthy sleep, long-sleep EDS was associated with an 83% increased rate of MI (hazard ratio, 1.83 [95% CI, 1.21-2.77]) during 8.2-year median follow-up, adjusting for multiple health and sociodemographic factors. Mendelian randomization analysis provided supporting evidence of a causal role for a genetic long-sleep EDS subtype in MI (inverse-variance weighted β=1.995, P=0.001). In contrast, we did not find evidence that other subtypes of EDS were associated with incident MI or any associations with stroke (P>0.05). CONCLUSIONS Our study suggests the previous evidence linking EDS with increased cardiovascular disease risk may be primarily driven by the effect of its long-sleep subtype on higher risk of MI. Underlying mechanisms remain to be investigated but may involve sleep irregularity and circadian disruption, suggesting a need for novel interventions in this population.
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Affiliation(s)
- Matthew O. Goodman
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Broad InstituteCambridgeMA
| | - Hassan S. Dashti
- Broad InstituteCambridgeMA
- Center for Genomic MedicineMassachusetts General Hospital and Harvard Medical SchoolBostonMA
- Department of Anesthesia, Critical Care and Pain MedicineMassachusetts General HospitalBostonMA
| | - Jacqueline M. Lane
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Broad InstituteCambridgeMA
- Center for Genomic MedicineMassachusetts General Hospital and Harvard Medical SchoolBostonMA
| | - Daniel P. Windred
- School of Psychological SciencesTurner Institute for Brain and Mental Health, Monash UniversityMelbourneVictoriaAustralia
| | - Angus Burns
- Broad InstituteCambridgeMA
- Center for Genomic MedicineMassachusetts General Hospital and Harvard Medical SchoolBostonMA
- School of Psychological SciencesTurner Institute for Brain and Mental Health, Monash UniversityMelbourneVictoriaAustralia
| | - Samuel E. Jones
- Institute for Molecular Medicine Finland (FIMM)University of HelsinkiFinland
- University of Exeter Medical SchoolExeterUnited Kingdom
| | - Tamar Sofer
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Department of BiostatisticsHarvard T.H. Chan School of Public HealthBostonMA
| | - Shaun M. Purcell
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Broad InstituteCambridgeMA
- Department of PsychiatryBrigham and Women’s HospitalBostonMA
| | - Xiaofeng Zhu
- Department of Population and Quantitative Health SciencesCase Western Reserve UniversityClevelandOH
| | - Hanna M. Ollila
- Broad InstituteCambridgeMA
- Center for Genomic MedicineMassachusetts General Hospital and Harvard Medical SchoolBostonMA
- Department of Anesthesia, Critical Care and Pain MedicineMassachusetts General HospitalBostonMA
- Institute for Molecular Medicine Finland (FIMM)University of HelsinkiFinland
| | - Simon D. Kyle
- Sleep and Circadian Neuroscience Institute, Nuffield Department of Clinical NeurosciencesUniversity of OxfordUnited Kingdom
| | - Kai Spiegelhalder
- Department of Psychiatry and PsychotherapyMedical Centre–University of Freiburg, Faculty of Medicine, University of FreiburgFreiburgGermany
| | - Yuksel Peker
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Department of Pulmonary MedicineKoç University School of MedicineIstanbulTurkey
- Sahlgrenska AcademyUniversity of GothenburgSweden
- Department of Clinical Sciences, Respiratory Medicine and Allergology, Faculty of MedicineLund UniversityLundSweden
- Division of Pulmonary, Allergy, and Critical Care MedicineUniversity of Pittsburgh School of MedicinePittsburghPA
| | - Tianyi Huang
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Channing Division of Network MedicineBrigham and Women’s Hospital, Harvard Medical SchoolBostonMA
| | - Sean W. Cain
- School of Psychological SciencesTurner Institute for Brain and Mental Health, Monash UniversityMelbourneVictoriaAustralia
| | - Andrew J. K. Phillips
- School of Psychological SciencesTurner Institute for Brain and Mental Health, Monash UniversityMelbourneVictoriaAustralia
| | - Richa Saxena
- Broad InstituteCambridgeMA
- Center for Genomic MedicineMassachusetts General Hospital and Harvard Medical SchoolBostonMA
- Department of Anesthesia, Critical Care and Pain MedicineMassachusetts General HospitalBostonMA
| | - Martin K. Rutter
- Division of Endocrinology, Diabetes & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine and HealthUniversity of ManchesterManchesterUnited Kingdom
- Diabetes, Endocrinology and Metabolism CentreManchester University NHS Foundation Trust, NIHR Manchester Biomedical Research Centre, Manchester Academic Health Science CentreManchesterUnited Kingdom
| | - Susan Redline
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
| | - Heming Wang
- Division of Sleep and Circadian DisordersBrigham and Women’s HospitalBostonMA
- Department of Neurology and MedicineHarvard Medical School, Brigham and Women’s HospitalBostonMA
- Broad InstituteCambridgeMA
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Young ME. The Cardiac Circadian Clock: Implications for Cardiovascular Disease and its Treatment. JACC Basic Transl Sci 2023; 8:1613-1628. [PMID: 38205356 PMCID: PMC10774593 DOI: 10.1016/j.jacbts.2023.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/23/2023] [Accepted: 03/23/2023] [Indexed: 01/12/2024]
Abstract
Virtually all aspects of physiology fluctuate with respect to the time of day. This is beautifully exemplified by cardiovascular physiology, for which blood pressure and electrophysiology exhibit robust diurnal oscillations. At molecular/biochemical levels (eg, transcription, translation, signaling, metabolism), cardiovascular-relevant tissues (such as the heart) are profoundly different during the day vs the night. Unfortunately, this in turn contributes toward 24-hour rhythms in both risk of adverse event onset (eg, arrhythmias, myocardial infarction) and pathogenesis severity (eg, extent of ischemic damage). Accumulating evidence indicates that cell-autonomous timekeeping mechanisms, termed circadian clocks, temporally govern biological processes known to play critical roles in cardiovascular function/dysfunction. In this paper, a comprehensive review of our current understanding of the cardiomyocyte circadian clock during both health and disease is detailed. Unprecedented basic, translational, and epidemiologic studies support a need to implement chronobiological considerations in strategies designed for both prevention and treatment of cardiovascular disease.
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Affiliation(s)
- Martin E. Young
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
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29
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Wang X, Xu Y, Li X, Mansuri A, McCall WV, Liu Y, Su S. Day-to-day deviations in sleep parameters and biological aging: Findings from the NHANES 2011-2014. Sleep Health 2023; 9:940-946. [PMID: 37648648 PMCID: PMC10843622 DOI: 10.1016/j.sleh.2023.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 07/17/2023] [Accepted: 07/27/2023] [Indexed: 09/01/2023]
Abstract
OBJECTIVES The majority of the previous research has focused on the impact of average sleep parameters on longevity. In this study, we aimed to investigate the associations of day-to-day deviations in sleep parameters with biological ages among 6052 adults participating in the 2011-2014 waves of the US National Health and Nutrition Examination Survey. METHODS Sleep parameters, including sleep duration, efficiency, midpoint, and day-to-day deviations in sleep parameters, including standard deviation of sleep duration (sleep variability), standard deviation of sleep midpoint (sleep irregularity), catch-up sleep, and social jetlag, were obtained from 4 to 7 days of 24-h accelerometer recording. We used physiological data to compute measurements of biological aging according to 3 published algorithms: PhenoAge, Klemera-Doubal method Biological Age, and homeostatic dysregulation. RESULTS After adjustment of multiple covariates, we observed that all parameters of day-to-day deviations in sleep were significantly associated with biological aging with larger sleep variability, larger sleep irregularity, more catch-up sleep, and more social jetlag linked with more advanced biological aging. The significant associations of sleep irregularity, catch-up sleep, and social jetlag with biological aging indices remained even after adjustment for sleep duration, efficiency, and midpoint. CONCLUSION In this study, we found that day-to-day deviations in sleep parameters are independently associated with biological aging in US general population. Since day-to-day deviation in sleep is a modifiable behavioral factor, our finding suggests that intervention aiming at increasing regularity in sleep patterns may be a novel approach for extending a healthy life span.
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Affiliation(s)
- Xiaoling Wang
- Georgia Prevention Institute, Medical College of Georgia, Augusta University, Augusta, Georgia, USA; Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, Georgia, USA.
| | - Yanyan Xu
- Georgia Prevention Institute, Medical College of Georgia, Augusta University, Augusta, Georgia, USA; Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Xinyue Li
- School of Data Science, City University of Hong Kong, Hong Kong, China
| | - Asifhusen Mansuri
- Division of Pediatric Nephrology and Hypertension, Children's Hospital of Georgia, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - William V McCall
- Department of Psychiatry and Health Behavior, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Yutao Liu
- Department of Cellular Biology & Anatomy, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Shaoyong Su
- Georgia Prevention Institute, Medical College of Georgia, Augusta University, Augusta, Georgia, USA
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30
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Bermingham KM, Stensrud S, Asnicar F, Valdes AM, Franks PW, Wolf J, Hadjigeorgiou G, Davies R, Spector TD, Segata N, Berry SE, Hall WL. Exploring the relationship between social jetlag with gut microbial composition, diet and cardiometabolic health, in the ZOE PREDICT 1 cohort. Eur J Nutr 2023; 62:3135-3147. [PMID: 37528259 PMCID: PMC10611873 DOI: 10.1007/s00394-023-03204-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 06/30/2023] [Indexed: 08/03/2023]
Abstract
PURPOSE In this study, we explore the relationship between social jetlag (SJL), a parameter of circadian misalignment, and gut microbial composition, diet and cardiometabolic health in the ZOE PREDICT 1 cohort (NCT03479866). METHODS We assessed demographic, diet, cardiometabolic, stool metagenomics and postprandial metabolic measures (n = 1002). We used self-reported habitual sleep (n = 934) to calculate SJL (difference in mid-sleep time point of ≥ 1.5 h on week versus weekend days). We tested group differences (SJL vs no-SJL) in cardiometabolic markers and diet (ANCOVA) adjusting for sex, age, BMI, ethnicity, and socio-economic status. We performed comparisons of gut microbial composition using machine learning and association analyses on the species level genome bins present in at least 20% of the samples. RESULTS The SJL group (16%, n = 145) had a greater proportion of males (39% vs 25%), shorter sleepers (average sleep < 7 h; 5% vs 3%), and were younger (38.4 ± 11.3y vs 46.8 ± 11.7y) compared to the no-SJL group. SJL was associated with a higher relative abundance of 9 gut bacteria and lower abundance of 8 gut bacteria (q < 0.2 and absolute Cohen's effect size > 0.2), in part mediated by diet. SJL was associated with unfavourable diet quality (less healthful Plant-based Diet Index), higher intakes of potatoes and sugar-sweetened beverages, and lower intakes of fruits, and nuts, and slightly higher markers of inflammation (GlycA and IL-6) compared with no-SJL (P < 0.05 adjusted for covariates); rendered non-significant after multiple testing adjustments. CONCLUSIONS Novel associations between SJL and a more disadvantageous gut microbiome in a cohort of predominantly adequate sleepers highlight the potential implications of SJL for health.
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Affiliation(s)
- Kate M Bermingham
- Department of Nutritional Sciences, King's College London, London, UK
- ZOE Ltd, London, UK
| | - Sophie Stensrud
- Department of Nutritional Sciences, King's College London, London, UK
| | | | - Ana M Valdes
- School of Medicine, University of Nottingham, Nottingham, UK
- Nottingham NIHR Biomedical Research Centre, Nottingham, UK
| | - Paul W Franks
- Department of Clinical Sciences, Lund University, Malmö, Sweden
- Department of Nutrition, Harvard TH Chan School of Public Health, Boston, MA, USA
| | | | | | | | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
| | - Nicola Segata
- Department CIBIO, University of Trento, Trento, Italy
| | - Sarah E Berry
- Department of Nutritional Sciences, King's College London, London, UK.
| | - Wendy L Hall
- Department of Nutritional Sciences, King's College London, London, UK
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31
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Wallace DA, Johnson DA, Redline S, Sofer T, Kossowsky J. Rest-activity rhythms across the lifespan: cross-sectional findings from the US representative National Health and Nutrition Examination Survey. Sleep 2023; 46:zsad220. [PMID: 37610882 PMCID: PMC10636247 DOI: 10.1093/sleep/zsad220] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/15/2023] [Indexed: 08/25/2023] Open
Abstract
STUDY OBJECTIVES Rest-activity rhythms (RAR) may mark development, aging, and physical and mental health. Understanding how they differ between people may inform intervention and health promotion efforts. However, RAR characteristics across the lifespan have not been well-studied. Therefore, we investigated the association between RAR measures with demographic and lifestyle factors in a US nationally representative study. METHODS RAR metrics of interdaily stability (IS), intradaily variability (IV), relative amplitude (RA), and mean amplitude and timing of high (M10) and low (L5) activity were derived from 2011 to 2012 and 2013 to 2014 National Health and Nutrition Examination Survey (NHANES) actigraphy data. Population-weighted linear and logistic regression models were fit to examine the associations of age, gender, smoking, alcohol, season, body mass index (BMI), income-to-poverty ratio, and race/ethnicity with RAR. Significance was based on a false-discovery rate-corrected P-value of <0.05. RESULTS Among n = 12 526 NHANES participants (3-≥80 years), IS (higher = greater day-to-day regularity) and RA (higher = greater rhythm strength) generally decreased with age and were lower among males, whereas IV (higher = greater rhythm fragmentation) increased with age (p < 0.05). Dynamic changes in RAR trajectories were observed during childhood and adolescence. Income, BMI, smoking, and alcohol use were associated with RAR metrics, as well as season among children and teenagers (p < 0.05). RAR also differed by race/ethnicity (p < 0.05), with trajectories initially diverging in childhood and continuing into adulthood. CONCLUSIONS RAR differed by demographic and health-related factors, representing possible windows for public health intervention and sleep health promotion. RAR differences by race/ethnicity begin in childhood, are evident in early adolescence, and persist throughout adulthood.
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Affiliation(s)
- Danielle A Wallace
- Division of Sleep Medicine, Harvard Medical School, Boston MA, USA
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women’s Hospital, Boston MA, USA
| | - Dayna A Johnson
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
- Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Susan Redline
- Division of Sleep Medicine, Harvard Medical School, Boston MA, USA
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women’s Hospital, Boston MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Tamar Sofer
- Division of Sleep Medicine, Harvard Medical School, Boston MA, USA
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women’s Hospital, Boston MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Joe Kossowsky
- Division of Sleep Medicine, Harvard Medical School, Boston MA, USA
- Department of Anesthesia, Harvard Medical School, Boston MA, USA
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston MA, USA
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32
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Liu S, Wang Y, Lu Q, Chen X, Geng T, Li R, Deng Y, Li L, Lin X, Ou Y, Tian Q, Cui G, Yang K, Pan A, Liu G. Association of healthy sleep pattern with risk of recurrent cardiovascular events among patients with coronary heart disease. EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2023; 9:699-706. [PMID: 37468441 DOI: 10.1093/ehjqcco/qcad043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/17/2023] [Accepted: 07/18/2023] [Indexed: 07/21/2023]
Abstract
AIMS To examine the association of a healthy sleep pattern with the risk of recurrent cardiovascular events among patients with coronary heart disease (CHD). METHODS AND RESULTS This prospective cohort study included 21 193 individuals with CHD from the UK Biobank. A healthy sleep score was generated based on a combination of chronotype, sleep duration, insomnia, and excessive daytime sleepiness. Cox proportional hazards regression models were applied to estimate the associations between healthy sleep score and recurrent cardiovascular events. During a median of 11.1 years of follow up, we documented 3771 recurrent cardiovascular events, including 1634 heart failure cases and 704 stroke cases. After multivariable adjustment, including lifestyle factors, medical history, and CHD duration, sleep 7-8 h/day, never/rarely insomnia, and no frequent daytime sleepiness were each significantly associated with a 12-22% lower risk of heart failure. In addition, compared with participants who had a healthy sleep score of 0-1, the multivariable-adjusted HR (95% CI) for participants with a healthy sleep score of 4 was 0.86 (0.75, 0.99) for recurrent cardiovascular events, 0.71 (0.57, 0.89) for heart failure, and 0.72 (0.51, 1.03) for stroke. CONCLUSIONS Adherence to a healthy sleep pattern was significantly associated with a lower risk of recurrent cardiovascular events among patients with CHD, especially for heart failure. These findings indicate that healthy sleep behaviours could be beneficial in the prevention of cardiovascular event recurrence.
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Affiliation(s)
- Sen Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuexuan Wang
- Department of Applied Statistics, Johannes Kepler Universität Linz, Linz, Austria
| | - Qi Lu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xue Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Geng
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Nutrition and Food Hygiene, School of Public Health, Institute of Nutrition, Fudan University, Shanghai, China
| | - Rui Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yulei Deng
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoyu Lin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yunjing Ou
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingying Tian
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guanglin Cui
- Department of Cardiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kun Yang
- Department of Endocrinology, Affiliated Dongfeng Hospital, Hubei University of Medicine, Shiyan, China
| | - An Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Lab of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Holbein J, Crabtree C. Do sleep disruptions promote social fragmentation? Politics Life Sci 2023; 42:205-233. [PMID: 37987569 DOI: 10.1017/pls.2023.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Sleep changes predate shifts in mood/affect, thought processing, mental and physical health, civic engagement, and contextual circumstances, among other things. Theory predicts that these changes may lead to shifts in political and social beliefs. Do sleep disruptions shape how individuals see the world, the people around them, and themselves in relation to others? In this article, we use daily survey data from the 77 waves (N ≈ 460,000) of the University of California, Los Angeles's 2019-2021 Nationscape Survey-a nationally representative political survey-to examine the effect of an exogenous short-term sleep disruption on measures of political views, polarization, and discriminatory beliefs. Using this data set, we leverage the modest sleep disruption that occurs at the start (and end) of Daylight Saving Time (DST) and employ a regression discontinuity in time design around the precise DST cutoff (which we supplement with event study models). Despite strong theoretical expectations and correlational connection between measures of sleep and many outcomes related to social fragmentation, we find that the DST change has little to no causal effect on citizens' levels of polarization or their discriminatory attitudes. These effects are precise enough to rule out small effects, robust to a host of specification checks, and consistent across potential subgroups of interest. Our work adds to a small but growing body of research on the social and political effects of sleep disruptions.
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Affiliation(s)
- John Holbein
- University of Virginia, Charlottesville, VA, USA,
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34
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Li T, Xie Y, Tao S, Zou L, Yang Y, Tao F, Wu X. Prospective study of the association between chronotype and cardiometabolic risk among Chinese young adults. BMC Public Health 2023; 23:1966. [PMID: 37821856 PMCID: PMC10566129 DOI: 10.1186/s12889-023-16902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND The association of evening chronotype with cardiometabolic disease has been well established. However, the extent to which circadian rhythm disturbances independently result in risk remains unclear. This study aimed to investigate the cross-sectional and prospective longitudinal associations between chronotype and cardiometabolic risk among Chinese young adults. METHODS From April to May 2019, a total of 1 135 young adults were selected to complete the self-administered questionnaire, and 744 fasting blood samples were collected to quantify cardiometabolic parameters. From April to May 2021, 340 fasting blood samples were collected to quantify cardiometabolic parameters. The Morning and Evening Questionnaire 5 (MEQ-5) was used to assess chronotype. The cardiometabolic (CM)-risk score was the sum of standardized Z scores based on gender for the 5 indicators: waist circumference (WC), mean arterial pressure (MAP), triglyceride (TG), homeostasis model assessment for insulin resistance (HOMA-IR), and high-density lipoprotein cholesterol (HDL-C), where the HDL-C is multiplied by-1. The generalized linear model was used to determine the cross-sectional and prospective longitudinal associations between chronotype and each cardiometabolic parameter. RESULTS Cross-sectional association analysis showed that lower MEQ-5 scores were correlated with higher fasting insulin (β=-1.420, 95%CI: -2.386~-0.453), higher HOMA-IR (β=-0.301, 95%CI: -0.507~-0.095), and higher CM risk score (β=-0.063, 95%CI: -0.122~-0.003), even after adjustment for covariates. Prospective longitudinal association analysis also showed that lower MEQ-5 scores were associated with 2 years later higher fasting glucose (β=-0.018, 95%CI: -0.034~-0.003), higher fasting insulin (β=-0.384, 95%CI: -0.766~-0.003), higher HOMA-IR (β=-0.089, 95%CI: -0.176~-0.002), and higher CM-risk score (β=-0.109, 95%CI: -0.214~-0.003) after adjustment for covariates. CONCLUSIONS Evening chronotype was significantly correlated with higher CM risk among young adults. Our findings suggest that biologically and socially affected sleep timing misalignment is a contributing factor to cardiovascular disease risk.
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Affiliation(s)
- Tingting Li
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yang Xie
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Shuman Tao
- MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, Anhui, 230032, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Liwei Zou
- MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, Anhui, 230032, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yajuan Yang
- School of Nursing, Anhui Medical University, 15 Feicui Road, Hefei, Anhui, 230601, China
| | - Fangbiao Tao
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
- MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, Anhui, 230032, China
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Xiaoyan Wu
- Department of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China.
- MOE Key Laboratory of Population Health Across Life Cycle, No 81 Meishan Road, Hefei, Anhui, 230032, China.
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Anhui Medical University, No 81 Meishan Road, Hefei, Anhui, 230032, China.
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, No 81 Meishan Road, Hefei, Anhui, 230032, China.
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Arora N, Bhatta L, Skarpsno ES, Dalen H, Åsvold BO, Brumpton BM, Richmond RC, Strand LB. Investigating the causal interplay between sleep traits and risk of acute myocardial infarction: a Mendelian randomization study. BMC Med 2023; 21:385. [PMID: 37798698 PMCID: PMC10557341 DOI: 10.1186/s12916-023-03078-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 09/11/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Few studies have investigated the joint effects of sleep traits on the risk of acute myocardial infarction (AMI). No previous study has used factorial Mendelian randomization (MR) which may reduce confounding, reverse causation, and measurement error. Thus, it is prudent to study joint effects using robust methods to propose sleep-targeted interventions which lower the risk of AMI. METHODS The causal interplay between combinations of two sleep traits (including insomnia symptoms, sleep duration, or chronotype) on the risk of AMI was investigated using factorial MR. Genetic risk scores for each sleep trait were dichotomized at their median in UK Biobank (UKBB) and the second survey of the Trøndelag Health Study (HUNT2). A combination of two sleep traits constituting 4 groups were analyzed to estimate the risk of AMI in each group using a 2×2 factorial MR design. RESULTS In UKBB, participants with high genetic risk for both insomnia symptoms and short sleep had the highest risk of AMI (hazard ratio (HR) 1.10; 95% confidence interval (CI) 1.03, 1.18), although there was no evidence of interaction (relative excess risk due to interaction (RERI) 0.03; 95% CI -0.07, 0.12). These estimates were less precise in HUNT2 (HR 1.02; 95% CI 0.93, 1.13), possibly due to weak instruments and/or small sample size. Participants with high genetic risk for both a morning chronotype and insomnia symptoms (HR 1.09; 95% CI 1.03, 1.17) and a morning chronotype and short sleep (HR 1.11; 95% CI 1.04, 1.19) had the highest risk of AMI in UKBB, although there was no evidence of interaction (RERI 0.03; 95% CI -0.06, 0.12; and RERI 0.05; 95% CI -0.05, 0.14, respectively). Chronotype was not available in HUNT2. CONCLUSIONS This study reveals no interaction effects between sleep traits on the risk of AMI, but all combinations of sleep traits increased the risk of AMI except those with long sleep. This indicates that the main effects of sleep traits on AMI are likely to be independent of each other.
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Affiliation(s)
- Nikhil Arora
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway.
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
| | - Laxmi Bhatta
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
- Division of Mental Health Care, St. Olavs Hospital, Trondheim, Norway
- Institute for Molecular Bioscience, University of Queensland, Brisbane, Australia
| | - Eivind Schjelderup Skarpsno
- Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim, Norway
| | - Håvard Dalen
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
- Clinic of Cardiology, St. Olavs Hospital, Trondheim, Norway
| | - Bjørn Olav Åsvold
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
- HUNT Research Centre, Department of Public Health and Nursing, Norwegian University of Science and Technology, Levanger, Norway
- Department of Endocrinology, Clinic of Medicine, St. Olavs Hospital, Trondheim, Norway
| | - Ben Michael Brumpton
- K.G. Jebsen Center for Genetic Epidemiology, Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
- HUNT Research Centre, Department of Public Health and Nursing, Norwegian University of Science and Technology, Levanger, Norway
- Department of Medicine, St. Olavs Hospital, Trondheim, Norway
| | - Rebecca Claire Richmond
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Linn Beate Strand
- Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway
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Grant AD, Kriegsfeld LJ. Neural substrates underlying rhythmic coupling of female reproductive and thermoregulatory circuits. Front Physiol 2023; 14:1254287. [PMID: 37753455 PMCID: PMC10518419 DOI: 10.3389/fphys.2023.1254287] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 08/30/2023] [Indexed: 09/28/2023] Open
Abstract
Coordinated fluctuations in female reproductive physiology and thermoregulatory output have been reported for over a century. These changes occur rhythmically at the hourly (ultradian), daily (circadian), and multi-day (ovulatory) timescales, are critical for reproductive function, and have led to the use of temperature patterns as a proxy for female reproductive state. The mechanisms underlying coupling between reproductive and thermoregulatory systems are not fully established, hindering the expansion of inferences that body temperature can provide about female reproductive status. At present, numerous digital tools rely on temperature to infer the timing of ovulation and additional applications (e.g., monitoring ovulatory irregularities and progression of puberty, pregnancy, and menopause are developed based on the assumption that reproductive-thermoregulatory coupling occurs across timescales and life stages. However, without clear understanding of the mechanisms and degree of coupling among the neural substrates regulating temperature and the reproductive axis, whether such approaches will bear fruit in particular domains is uncertain. In this overview, we present evidence supporting broad coupling among the central circuits governing reproduction, thermoregulation, and broader systemic physiology, focusing on timing at ultradian frequencies. Future work characterizing the dynamics of reproductive-thermoregulatory coupling across the lifespan, and of conditions that may decouple these circuits (e.g., circadian disruption, metabolic disease) and compromise female reproductive health, will aid in the development of strategies for early detection of reproductive irregularities and monitoring the efficacy of fertility treatments.
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Affiliation(s)
| | - Lance J. Kriegsfeld
- Department of Psychology, University of California, Berkeley, CA, United States
- The Helen Wills Neuroscience Institute, University of California, Berkeley, CA, United States
- Department of Integrative Biology, University of California, Berkeley, CA, United States
- Graduate Group in Endocrinology, University of California, Berkeley, CA, United States
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Viana Mendes J, Benedito-Silva AA, Medeiros Andrade MA, Vartanian D, da Silva Brandão Gonçalves B, Cipolla-Neto J, Pedrazzoli M. Actigraphic characterization of sleep and circadian phenotypes of PER3 gene VNTR genotypes. Chronobiol Int 2023; 40:1244-1250. [PMID: 37691400 DOI: 10.1080/07420528.2023.2256858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 07/12/2023] [Accepted: 09/02/2023] [Indexed: 09/12/2023]
Abstract
The molecular circadian timing system involves genes known as "clock genes," such as the PER3 gene. Studies have demonstrated associations among a repeat polymorphism (VNTR) of the PER3 gene with chronotypes, with the occurrence of circadian rhythm disorders and with sleep homeostasis phenotypes. The aim of this study was to investigate, by actigraphy, sleep and circadian rhythm profiles of people with different genotypes for the VNTR polymorphism of the PER3 gene. We genotyped 467 individuals (46,39% male) for the PER3 VNTR polymorphism. The mean age of the participants was 21.84 ± 2.64, ranging from 18 to 30 y old. Actigraphy data were collected from a subsample of 81 subjects with PER3 4-repeats homozygous (PER34/4) or 5-repeats homozygous (PER35/5) genotypes from April to June of 2021. From this sample, 48 PER34/4 and 33 PER35/5 subjects wore a wrist actigraph between 12 and 19 d. The sleep onset (weekdays, p = 0.015; weekend, p = 0.022) and offset (weekdays, p = 0.004; weekend, p = 0.041) of the PER35/5 group occurred later than the PER34/4 group. Similar results were observed for the mid-sleep phase of weekdays (MSW) (p = 0.008) and free days (MSF) (p = 0.019), and for the mid-sleep phase corrected for sleep debt accumulated over the week (MSFsc) (p = 0.024). Despite the phase differences found between the PER34/4 and PER35/5 groups, no differences were found in sleep duration and social jet lag. However, the PER34/4 group presented, on average, a longer sleep rebound on the days off when compared to the PER35/5 (p = 0.002). The PER35/5 group showed lower interdaily stability (IS) (p = 0.032) and higher daily activity rhythm variability (IV) (p = 0.035). The findings of the present study revealed associations between the PER3 gene, sleep, and circadian rhythms. In general, we found that the gene is associated with the expression of sleep timing and duration and to the phase of the activity rhythm. The experiments carried out here occurred in the COVID-19 pandemic scenario, which should be considered as an environmental element with potential effects on the results obtained.
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Affiliation(s)
- Juliana Viana Mendes
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
| | | | | | - Daniel Vartanian
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
| | | | - José Cipolla-Neto
- Laboratory of Neurobiology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Mario Pedrazzoli
- School of Arts, Sciences and Humanities of University of São Paulo, São Paulo, Brazil
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Gubin D, Vetoshkin A, Shurkevich N, Gapon L, Borisenkov M, Cornelissen G, Weinert D. Chronotype and lipid metabolism in Arctic Sojourn Workers. Chronobiol Int 2023; 40:1198-1208. [PMID: 37700623 DOI: 10.1080/07420528.2023.2256839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 06/13/2023] [Accepted: 09/02/2023] [Indexed: 09/14/2023]
Abstract
This study relates answers to the Munich Chronotype Questionnaire (MCTQ) and Pittsburgh Sleep Quality Index (PSQI) from Arctic Sojourn Workers (ASW) of Yamburg Settlement, 68° Latitude North, 75° Longitude East (n = 180; mean age ± SD; range: 49.2 ± 7.8; 25-66 y; 45% women) to Arctic Sojourn Work Experience (ASWE), age and health status. Chronotype, Mid Sleep on Free Days sleep corrected (MSFsc) and sleep characteristics of ASW were compared to those of age-matched Tyumen Residents (TR, n = 270; mean age ± SD; range: 48.4 ± 8.4; 25-69 y; 48% women), 57° Latitude North, 65° Longitude East. ASW have earlier MSFsc than TR (70 min in men, p < 0.0001, and 45 min in women, p < 0.0001). Unlike TR, their MSFsc was not associated with age (r = 0.037; p = 0.627) and was linked to a larger Social Jet Lag (+21 min in men; p = 0.003, and +18 min in women; p = 0.003). These differences were not due to outdoor light exposure (OLE): OLE on work (OLEw) or free (OLEf) days was not significantly different between ASW and TR in men and was significantly less in ASW than in TR women (OLEw: -31 min; p < 0.001; OLEf: -24 min; p = 0.036). ASWE, but not age, was associated with compromised lipid metabolism in men. After accounting for multiple testing, when corrected for age and sex, higher triglycerides to high-density lipoprotein ratio, TG/HDL correlated with ASWE (r = 0.271, p < 0.05). In men, greater SJL was associated with lower HDL (r = -0.204; p = 0.043). Worse proxies of metabolic health were related to unfavorable components of the Pittsburgh Sleep Quality Index in ASW. Higher OLE on free days was associated with lower systolic (b = -0.210; p < 0.05) and diastolic (b = -0.240; p < 0.05) blood pressure.
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Affiliation(s)
- Denis Gubin
- Laboratory for Chronobiology and Chronomedicine, Research Institute of Biomedicine and Biomedical Technologies, Medical University, Tyumen, Russia
- Department of Biology, Medical University, Tyumen, Russia
- Tyumen Cardiology Research Center, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Alexander Vetoshkin
- Tyumen Cardiology Research Center, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Medical Unit, Gazprom Dobycha Yamburg LLC, Novy Urengoy, Russia
| | - Nina Shurkevich
- Tyumen Cardiology Research Center, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Ludmila Gapon
- Tyumen Cardiology Research Center, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Mikhail Borisenkov
- Institute of Physiology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
| | - Germaine Cornelissen
- Halberg Chronobiology Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Dietmar Weinert
- Institute of Biology/Zoology, Martin Luther University, Halle-Wittenberg, Halle, Germany
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Nakamura N, Akiyama H, Nishimura M, Zhu K, Suzuki K, Higuchi M, Tanisawa K. Acute social jetlag augments morning blood pressure surge: a randomized crossover trial. Hypertens Res 2023; 46:2179-2191. [PMID: 37452155 PMCID: PMC10477072 DOI: 10.1038/s41440-023-01360-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/18/2023]
Abstract
Although social jetlag (SJL) is generally considered a chronic condition, even acute SJL may have unfavorable effects on the cardiovascular system. We focused on the acute effects of SJL on morning blood pressure (BP) surge. This randomized crossover trial recruited 20 healthy men. In the SJL trial, participants delayed their bedtime by three hours on Friday and Saturday nights. Participants in the control (CON) trial implemented the same sleep-wake timing as on weekdays. Pre- and post-intervention measurements were performed to evaluate resting cardiovascular variables on Friday and Monday mornings, respectively. The ambulatory BP was automatically measured during the sleep and awake periods for 2 h after the participant woke up at night before pre- and post-intervention measurements. SJL (average mid-sleep time on weekends - average mid-sleep time on weekdays) occurred only in the SJL trial (SJL: 181 ± 24 min vs. CON: 8 ± 47 min). Carotid-femoral pulse wave velocity (cfPWV) and morning BP surge on Monday in the SJL trial were significantly higher than those on Friday in the SJL trial (cfPWV: P = 0.001, morning BP surge: P < 0.001), and those on Monday in the CON trial (cfPWV: P = 0.007; morning BP surge: P < 0.001). Furthermore, a significant positive correlation was found between ΔcfPWV and Δmorning BP surge (R = 0.587, P = 0.004). These results suggest that even acute SJL augments morning BP surge. This phenomenon may correspond to increased central arterial stiffness.State the details of Clinical Trials: Name: Effect of acute social jetlag on risk factors of lifestyle-related diseases. URL: https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000053204 . Unique identifier: UMIN000046639. Registration date: 17/01/2022.
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Affiliation(s)
- Nobuhiro Nakamura
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Hiroshi Akiyama
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Mei Nishimura
- School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Kejing Zhu
- Graduate School of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Mitsuru Higuchi
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Kumpei Tanisawa
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan.
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40
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Borisenkov MF, Tserne T, Bakutova L, Smirnov V, Popov S. Afternoon school shift is associated with increased risk of overweight/obesity in 11-14-year-old females with early and intermediate chronotype. Pediatr Obes 2023; 18:e13039. [PMID: 37095615 DOI: 10.1111/ijpo.13039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/26/2023]
Abstract
OBJECTIVE The purpose of this study was to compare the anthropometric and sleep-wake rhythm characteristics of schoolchildren that attend school in morning and afternoon school shifts. METHODS We recruited 18 481 individuals (females: 56.4%) aged 11 to 18 years old with an average age of 14.4 ± 1.7 years old. In total, 812 (4.2%) questionnaires were incomplete. The self-reported height and weight were used to assess the sex- and age-corrected body mass index of the participants. The Munich ChronoType Questionnaire was used to assess the chronotype, social jetlag, and sleep duration of the participants. RESULTS In total, 12.6% of the participants were affected by overweight or obesity. The overweight and obesity incidence rate was higher among the students studying in the afternoon (odd ratio [95%CI]: 1.33 [1.16-1.52]). The afternoon school shift had a negative impact on the anthropometric indicators only in the 11-14-year-olds (1.29 [1.11-1.50]) and girls (1.26 [1.04-1.54]) with an early (1.27 [1.03-1.56]) and intermediate (1.30 [1.07-1.58]) chronotype. CONCLUSION The data obtained indicated that the afternoon school shift is not ideal, especially for female children and adolescents under 15 years old with an early and intermediate chronotype.
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Affiliation(s)
- Mikhail F Borisenkov
- Department of Molecular Immunology and Biotechnology, Institute of Physiology of the Komi Science Center of Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
| | - Tatyana Tserne
- Department of Molecular Immunology and Biotechnology, Institute of Physiology of the Komi Science Center of Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
| | - Larisa Bakutova
- Department of Molecular Immunology and Biotechnology, Institute of Physiology of the Komi Science Center of Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
| | - Vasily Smirnov
- Department of Molecular Immunology and Biotechnology, Institute of Physiology of the Komi Science Center of Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
| | - Sergey Popov
- Department of Molecular Immunology and Biotechnology, Institute of Physiology of the Komi Science Center of Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russia
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Rice A, Sather O, Wright KP, Vetter C, Martin MA, de la Iglesia HO. COVID-19 stay-at-home restrictions increase the alignment in sleep and light exposure between school days and weekends in university students. Sleep 2023; 46:zsad059. [PMID: 36883614 PMCID: PMC10334482 DOI: 10.1093/sleep/zsad059] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 02/24/2023] [Indexed: 03/09/2023] Open
Abstract
Younger adults have a biological disposition to sleep and wake at later times that conflict with early morning obligations like work and school; this conflict leads to inadequate sleep duration and a difference in sleep timing between school days and weekends. The COVID-19 pandemic forced universities and workplaces to shut down in person attendance and implement remote learning and meetings that decreased/removed commute times and gave students more flexibility with their sleep timing. To determine the impact of remote learning on the daily sleep-wake cycle we conducted a natural experiment using wrist actimetry monitors to compare activity patterns and light exposure in three cohorts of students: pre-shutdown in-person learning (2019), during-shutdown remote learning (2020), and post-shutdown in-person learning (2021). Our results show that during-shutdown the difference between school day and weekend sleep onset, duration, and midsleep timing was diminished. For instance, midsleep during school days pre-shutdown occurred 50 min later on weekends (5:14 ± 12 min) than school days (4:24 ± 14 min) but it did not differ under COVID restrictions. Additionally, we found that while the interindividual variance in sleep parameters increased under COVID restrictions the intraindividual variance did not change, indicating that the schedule flexibility did not cause more irregular sleep patterns. In line with our sleep timing results, school day vs. weekend differences in the timing of light exposure present pre- and post-shutdown were absent under COVID restrictions. Our results provide further evidence that increased freedom in class scheduling allows university students to better and consistently align sleep behavior between school days and weekends.
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Affiliation(s)
- Alicia Rice
- Department of Biology, University of Washington, Seattle, WA, USA
| | - Olivia Sather
- Department of Biology, University of Washington, Seattle, WA, USA
| | - Kenneth P Wright
- Sleep and Chronobiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Céline Vetter
- Circadian and Sleep Epidemiology Laboratory, Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Melanie A Martin
- Department of Anthropology, University of Washington, Seattle, WA, USA
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Galeno DML, Peixoto HJA, Carneiro BTS, Leocadio-Miguel MA. Cardiometabolic risk factors and social jetlag in university professors. Braz J Med Biol Res 2023; 56:e12539. [PMID: 37403885 DOI: 10.1590/1414-431x2023e12539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/08/2023] [Indexed: 07/06/2023] Open
Abstract
Chronic stress leads to circadian disruption, with variability in sleep time and duration. This scenario increases the prevalence and incidence of cardiometabolic abnormalities. Social jetlag (SJL), a proxy of circadian disruption, has been associated with increased vulnerability to the development of metabolic syndrome, obesity, and type 2 diabetes. This research aimed to evaluate how variables associated with cardiometabolic risk are related to SJL and poor sleep among university professors. From 2018 to 2019, full-time university professors (n=103) with a mean age of 44±5.4 years were assessed for sleep quality, chronotype, SJL, metabolic components, sociodemographic characteristics, and physical evaluation. Sleep quality and weekday sleep duration were associated with stress (r=0.44 and r=-0.34) and anxiety (r=0.40), respectively. Mean sleep duration (n=65) was 7.0±1.1 h and all professors with poor sleep (41.2%; n=28) worked 40 h/week. Professors who slept less were significantly (r=-0.25) older, and teaching time (years) was positively correlated with blood glucose (r=0.42). Mean SJL was 59.8 ±4.5 min (n=68) and 48.5% of these professors had values ≤1 h and 51.4% ≥1 h. SJL and blood glucose concentration were associated (r=0.35), which reinforced that challenges to the circadian system reverberate on metabolism. In this study, professors at the Federal University of Rio Grande do Norte had cardiometabolic risks related to anxiety, stress, and sleep quality.
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Affiliation(s)
- D M L Galeno
- Departamento de Fisiologia e Comportamento, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - H J A Peixoto
- Departamento de Fisiologia e Comportamento, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - B T S Carneiro
- Departamento de Fisiologia e Comportamento, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
| | - M A Leocadio-Miguel
- Departamento de Fisiologia e Comportamento, Universidade Federal do Rio Grande do Norte, Natal, RN, Brasil
- Department of Psychology, Northumbria University, Newcastle upon Tyne, United Kingdom
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Yüksel A, Özakgül A. Evaluation of Nursing Students' Sleep Patterns, Social Jet Lag, and Quality of Life*,*. FLORENCE NIGHTINGALE JOURNAL OF NURSING 2023; 31:97-104. [PMID: 37404212 PMCID: PMC10440964 DOI: 10.5152/fnjn.2023.22176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 03/20/2023] [Indexed: 07/06/2023]
Abstract
AIM The aim of this study is to evaluate the relationship between the chronotypes of nursing students, social jet lag, and quality of life. METHOD This study was planned and performed in a descriptive, method. Research data were collected in the 2019-2020 fall semester. The research population consisted of nursing students working at the nursing departments of state and private universities in Istanbul. The study sample included 1152 nursing students who agreed to participate in the study after obtaining informed consent. Data were collected using the "Student Information Form," "Morningness- Eveningness Scale," and "Short Form of the Turkish WHO Quality of Life Scale." RESULTS Of the nursing students, 81.2% (n = 935) were women, 26.5% (n = 305) were first-year students, 86.5% (n = 997) were non-smoker, and 92.4% (n = 1065) not consumed alcohol. Most of the nursing students in this study were intermediate chronotypes (80.2%). Students' social-jet lag mean value was 1.36±0.73 hours (min:0-max:4.8). Multiple regression analysis showed that an increase in social jetlag decreases the average scores of the physical and environmental subdimension and an increase in the morning chronotype increases the average scores of the physical, mental, and social subdimension. CONCLUSION High social jet lag reduced the quality of life and a morning chronotype improved the quality of life.
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Affiliation(s)
- Azzet Yüksel
- Department of Fundamentals of Nursing, İstanbul University—Cerrahpaşa, Institute of Graduate Studies, Fundamentals of Nursing Thesis Master’s Program, Istanbul, Turkey
| | - Aylin Özakgül
- Department of Fundamentals of Nursing, İstanbul University—Cerrahpaşa, Florence Nightingale Faculty of Nursing, İstanbul, Turkey
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Wong R, Crane A, Sheth J, Mayrovitz HN. Shift Work as a Cardiovascular Disease Risk Factor: A Narrative Review. Cureus 2023; 15:e41186. [PMID: 37525789 PMCID: PMC10387224 DOI: 10.7759/cureus.41186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 06/30/2023] [Indexed: 08/02/2023] Open
Abstract
Shift work has emerged as a significant health concern in recent years, and research has revealed a link to circadian rhythm dysregulation and atherosclerosis, both of which can increase the risk of cardiovascular disease (CVD). Currently, there is a lack of updated reviews regarding the impact of shiftwork on CVD. Thus, the present narrative review aims to provide a comprehensive summary of the latest research on the relationship between shift work and CVD, identify potential gaps in the current knowledge, and highlight areas for future research. Database searches for peer-reviewed articles published between January 2013 to January 2023 on shift work associated CVD revealed many studies that found shift work is linked with increased prevalence of carotid artery plaque, increased arterial stiffness, and carotid artery intima-media thickness (IMT) all suggestive of a progression of atherosclerosis attributable to shift work. Hypertension, diabetes, and a sedentary lifestyle are known risks for CVD, and the results of the present study suggest that shift work should be added to that list. The elevation of inflammatory markers and DNA damage in shift workers may be linked to their increased progression of atherosclerosis and the positive association of shift work with coronary artery disease. There are minimal studies on mitigating approaches for shift work-related CVD, such as diet modification or exercise, emphasizing the need for further directed research in this area.
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Affiliation(s)
- Ryan Wong
- Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Davie, USA
| | - Alex Crane
- Medicine, University of Pittsburgh School of Medicine, Pittsburgh, USA
| | - Jay Sheth
- Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Davie, USA
| | - Harvey N Mayrovitz
- Medical Education, Nova Southeastern University Dr. Kiran C. Patel College of Allopathic Medicine, Davie, USA
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Kowalsky RJ, Farney TM, Kline CE, Hinojosa JN, Creasy SA. The impact of the covid-19 pandemic on lifestyle behaviors in U.S. college students. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2023; 71:1161-1166. [PMID: 34161199 DOI: 10.1080/07448481.2021.1923505] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 03/21/2021] [Accepted: 04/25/2021] [Indexed: 05/31/2023]
Abstract
OBJECTIVE To investigate COVID-19's impact on college student health behaviors. PARTICIPANTS 189 college students. METHODS Participants completed an online survey on behaviors relating to sleep, sedentary activities, and physical activity before and during the COVID-19 pandemic. Comparisons utilized Students' dependent t-test or Wilcoxon signed-rank tests. RESULTS There was an increase in time to fall asleep (before: 23.4 ± 18.0 vs. during: 42.8 ± 44.3 min·day-1, p < 0.001), time spent in bed (before: 7.8 ± 1.5 vs. during: 8.5 ± 1.5 hr·day-1, p < 0.001), as well as shifts in later bed and awake time (p < 0.001). Total sedentary time increased during the pandemic (before: 9.0 ± 3.8 vs. during: 9.9 ± 4.1 hr·day-1, p = 0.016); and time spent using a TV, computer, or phone (before: 3.1 ± 1.9 vs. during: 4.2 ± 2.3 hr·day-1, p < 0.001). There was a significant decrease in moderate-vigorous activity (before: 123.8 ± 96.0 vs. during: 108.9 ± 75.5 min·week-1, p = 0.028) and resistance training days (before: 2.4 ± 2.1 vs. during: 1.7 ± 2.1 days·week-1, p < 0.001). CONCLUSIONS COVID-19 negatively influenced health behaviors in college students.
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Affiliation(s)
- Robert J Kowalsky
- Department of Health & Kinesiology, Texas A&M University-Kingsville, Kingsville, Texas, USA
| | - Tyler M Farney
- Department of Health & Kinesiology, Texas A&M University-Kingsville, Kingsville, Texas, USA
| | - Christopher E Kline
- Department of Health & Human Development, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jessica N Hinojosa
- Department of Health & Kinesiology, Texas A&M University-Kingsville, Kingsville, Texas, USA
| | - Seth A Creasy
- Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
- Anschutz Health and Wellness Center, University of Colorado Anschutz Medical Campus, Denver, Colorado, USA
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Nishimura K, Tamari Y, Nose Y, Yamaguchi H, Onodera S, Nagasaki K. Effects of Irregular Mealtimes on Social and Eating Jet Lags among Japanese College Students. Nutrients 2023; 15:2128. [PMID: 37432254 DOI: 10.3390/nu15092128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 07/12/2023] Open
Abstract
College students' social and eating jet lags and chronotypes may be related to irregular eating habits. Therefore, we examined the relationship between social and eating jet lags, chronotypes, variability in first and last mealtimes, and non-eating duration, as well as the effects of snacking between dinner and bedtime on social and eating jet lags, chronotypes, and mealtime variation. A total of 1900 Japanese male college students were recruited in this study. Mean wake-up time, bedtime, sleeping time, first and last mealtimes, snacks between meals, non-eating duration, the midpoint of non-eating duration, social and eating jet lags, and chronotype were calculated. Standard deviations in first and last mealtimes, the midpoint of non-eating duration, and the coefficient of variation in non-eating duration were used to evaluate mealtime variations. Mealtime variations were significantly associated with social and eating jet lags, chronotype, the midpoint of non-eating duration, and the difference in first and last mealtime between school holidays and class days. Chronotype and the midpoint of non-eating duration were significantly delayed with increased snacking after dinner. Mealtime variations were significantly lower in those who avoided snacking than in those who did not. Thus, social and eating jet lags and chronotypes are associated with sleep habits and mealtime irregularities.
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Affiliation(s)
- Kazuki Nishimura
- Department of Global Environment Studies, Hiroshima Institute of Technology, Hiroshima 731-5193, Japan
| | - Yutaro Tamari
- Department of Clinical Engineering, Hiroshima Institute of Technology, Hiroshima 731-5193, Japan
| | - Yuka Nose
- Department of Nutritional Sciences, Yasuda Women's University, Hiroshima 731-0153, Japan
| | - Hidetaka Yamaguchi
- Department of Sports Social Management, Kibi International University, Okayama 716-0018, Japan
| | - Sho Onodera
- Department of Health and Sports Science, Kawasaki University of Medical Welfare, Okayama 701-0193, Japan
| | - Koji Nagasaki
- Department of Food Sciences and Biotechnology, Hiroshima Institute of Technology, Hiroshima 731-5193, Japan
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Meyhöfer S, Chamorro R, Hallschmid M, Spyra D, Klinsmann N, Schultes B, Lehnert H, Meyhöfer SM, Wilms B. Late, but Not Early, Night Sleep Loss Compromises Neuroendocrine Appetite Regulation and the Desire for Food. Nutrients 2023; 15:2035. [PMID: 37432152 DOI: 10.3390/nu15092035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 07/12/2023] Open
Abstract
OBJECTIVE There is evidence that reduced sleep duration increases hunger, appetite, and food intake, leading to metabolic diseases, such as type 2 diabetes and obesity. However, the impact of sleep timing, irrespective of its duration and on the regulation of hunger and appetite, is less clear. We aimed to evaluate the impact of sleep loss during the late vs. early part of the night on the regulation of hunger, appetite, and desire for food. METHODS Fifteen normal-weight ([mean ± SEM] body-mass index: 23.3 ± 0.4 kg/m2) healthy men were studied in a randomized, balanced, crossover design, including two conditions of sleep loss, i.e., 4 h sleep during the first night-half ('late-night sleep loss'), 4 h sleep during the second night-half ('early-night sleep loss'), and a control condition with 8h sleep ('regular sleep'), respectively. Feelings of hunger and appetite were assessed through visual analogue scales, and plasma ghrelin and leptin were measured from blood samples taken before, during, and after night-time sleep. RESULTS Ghrelin and feelings of hunger and appetite, as well as the desire for food, were increased after 'late-night sleep loss', but not 'early-night sleep loss', whereas leptin remained unaffected by the timing of sleep loss. CONCLUSIONS Our data indicate that timing of sleep restriction modulates the effects of acute sleep loss on ghrelin and appetite regulation in healthy men. 'Late-night sleep loss' might be a risk factor for metabolic diseases, such as obesity and type 2 diabetes. Thereby, our findings highlight the metabolic relevance of chronobiological sleep timing.
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Affiliation(s)
- Svenja Meyhöfer
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Department of Internal Medicine 1, Endocrinology & Diabetes, University of Lübeck, 23538 Lübeck, Germany
- Center of Brain, Behavior & Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Rodrigo Chamorro
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago 8380453, Chile
| | - Manfred Hallschmid
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Department of Medical Psychology and Behavioral Neurobiology, University of Tübingen, 72076 Tübingen, Germany
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Centre Munich, University of Tübingen (IDM), 72076 Tübingen, Germany
| | - Denisa Spyra
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
| | - Nelli Klinsmann
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
| | - Bernd Schultes
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
| | - Hendrik Lehnert
- Center of Brain, Behavior & Metabolism, University of Lübeck, 23562 Lübeck, Germany
- University of Salzburg, A-5020 Salzburg, Austria
| | - Sebastian M Meyhöfer
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Center of Brain, Behavior & Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Britta Wilms
- Institute for Endocrinology and Diabetes, University of Lübeck, 23562 Lübeck, Germany
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Center of Brain, Behavior & Metabolism, University of Lübeck, 23562 Lübeck, Germany
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Arora N, Richmond RC, Brumpton BM, Åsvold BO, Dalen H, Skarpsno ES, Strand LB. Self-reported insomnia symptoms, sleep duration, chronotype and the risk of acute myocardial infarction (AMI): a prospective study in the UK Biobank and the HUNT Study. Eur J Epidemiol 2023:10.1007/s10654-023-00981-x. [DOI: 10.1007/s10654-023-00981-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 02/25/2023] [Indexed: 03/29/2023]
Abstract
AbstractInsomnia and short/long sleep duration increase the risk of AMI, but their interaction with each other or with chronotype is not well known. We investigated the prospective joint associations of any two of these sleep traits on risk of AMI. We included 302 456 and 31 091 participants without past AMI episodes from UK Biobank (UKBB; 2006–10) and the Trøndelag Health Study (HUNT2; 1995–97), respectively. A total of 6 833 and 2 540 incident AMIs were identified during an average 11.7 and 21.0 years follow-up, in UKBB and HUNT2, respectively. Compared to those who reported normal sleep duration (7–8 h) without insomnia symptoms, the Cox proportional hazard ratios (HRs) for incident AMI in UKBB among participants who reported normal, short and long sleep duration with insomnia symptoms were 1.07 (95% CI 0.99, 1.15), 1.16 (95% CI 1.07, 1.25) and 1.40 (95% CI 1.21, 1.63), respectively. The corresponding HRs in HUNT2 were 1.09 (95% CI 0.95, 1.25), 1.17 (95% CI 0.87, 1.58) and 1.02 (95% CI 0.85, 1.23). The HRs for incident AMI in UKBB among evening chronotypes were 1.19 (95% CI 1.10, 1.29) for those who had insomnia symptoms, 1.18 (95% CI 1.08, 1.29) for those with short sleep duration, and 1.21 (95% CI 1.07, 1.37) for those with long sleep duration, compared to morning chronotypes without another sleep symptom. The relative excess risk for incident AMI in UKBB due to interaction between insomnia symptoms and long sleep duration was 0.25 (95% CI 0.01, 0.48). Insomnia symptoms with long sleep duration may contribute more than just an additive effect of these sleep traits on the risk of AMI.
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Kaur S, Ng CM, Tang SY, Kok EY. Weight status of working adults: The effects of eating misalignment, chronotype, and eating jetlag during mandatory confinement. Chronobiol Int 2023:1-10. [PMID: 36883329 DOI: 10.1080/07420528.2023.2186120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
This study aimed to examine the association between chronotype, eating jetlag, and eating misalignment with weight status among Malaysian adults during the COVID-19 restriction. This online cross-sectional study included 175 working adults recruited from March to July 2020. The chronotype was assessed using Morningness Eveningness Questionnaire (MEQ) while eating jetlag and mealtime variability were measured using Chrononutrition Profile Questionnaire (CPQ). Multiple linear regression demonstrated that lower breakfast frequency (β=-0.258, p = .002) and longer eating duration (β = 0.393, p < .001) were associated with later first eating events on workfree days. Both intermediate (β = 0.543, p < .001) and evening chronotypes (β = 0.523, p = .001) tend to eat their first meals later compared to morning person. Similar patterns were observed for overall eating jetlaggers in which lower breakfast frequency (β=-0.022, p = .011), longer eating duration (β = 0.293, p < .001), intermediate chronotype (β = 0.512, p < .001), and evening chronotype (β = 0.495, p = .003) were associated with eating later meals on workfree days. Additionally, higher BMI was also associated with eating later meals on workfree days (β = 0.181, p = .025). During movement restriction, discrepancies of mealtimes during work and workfree days offer new insight into modern eating habits that can influence weight status and general eating habits such as breakfast skipping and total daily eating duration. Population meal timing variability was affected during movement restrictions, and it was closely related to weight status.
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Affiliation(s)
- Satvinder Kaur
- Department Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Choon Ming Ng
- School of Pharmacy, Monash University, Selangor, Malaysia
| | - Shu Ying Tang
- Department Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Ee Yin Kok
- Department Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
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Mentzelou M, Papadopoulou SK, Papandreou D, Spanoudaki M, Dakanalis A, Vasios GK, Voulgaridou G, Pavlidou E, Mantzorou M, Giaginis C. Evaluating the Relationship between Circadian Rhythms and Sleep, Metabolic and Cardiovascular Disorders: Current Clinical Evidence in Human Studies. Metabolites 2023; 13:370. [PMID: 36984810 PMCID: PMC10057970 DOI: 10.3390/metabo13030370] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/26/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Circadian rhythms are generated by the circadian clock, a self-sustained internal timing system that exhibits 24-h rhythms in the body. Many metabolic, cellular, behavioral and physiological processes are regulated by the circadian clock in coordination with environmental cues. The present study is a comprehensive review of the currently existing evidence concerning the relationship between circadian rhythms and sleep, metabolic, and cardiovascular disorders. We thoroughly searched the online databases PubMed, Scopus, and Web of Science to find the existing clinical studies from the last twenty-three years (2000-2023). Circadian misalignment was found to be associated with an increase in the risk of metabolic disorders, cardiovascular diseases, and obesity, as well as inadequate sleep quality. In this review article, all the included studies had a strength protocol design and all of them were conducted on humans. However, the most common limitations of them were the small sample size and the short time of the intervention. In conclusion, managing the factors that disrupt the optimal function of central and peripheral clocks can help to reduce the risk of metabolic and cardiovascular diseases, improving also sleep quality. Future studies should further explore the underlying mechanisms of the interconnections between circadian clocks and sleep, metabolic, and cardiovascular disorders. This may provide new opportunities for advance chronotherapy approach.
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Affiliation(s)
- Maria Mentzelou
- Department of Food Science and Nutrition, School of Environment, University of Aegean, 81400 Myrina, Lemnos, Greece
| | - Sousana K. Papadopoulou
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Dimitrios Papandreou
- Department of Health Sciences, College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates
| | - Maria Spanoudaki
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
- Clinical Dietetics & Nutrition Department of 424 General Military Hospital, New Efkarpia Ring Road, 56429 Thessaloniki, Greece
| | - Antonios Dakanalis
- Department of Medicine and Surgery, University of Milano Bicocca, Via Cadore 38, 20900 Monza, Italy
| | - Georgios K. Vasios
- Department of Food Science and Nutrition, School of Environment, University of Aegean, 81400 Myrina, Lemnos, Greece
| | - Gavriela Voulgaridou
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Eleni Pavlidou
- Department of Food Science and Nutrition, School of Environment, University of Aegean, 81400 Myrina, Lemnos, Greece
| | - Maria Mantzorou
- Department of Food Science and Nutrition, School of Environment, University of Aegean, 81400 Myrina, Lemnos, Greece
| | - Constantinos Giaginis
- Department of Food Science and Nutrition, School of Environment, University of Aegean, 81400 Myrina, Lemnos, Greece
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