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Manitsa I, Gregory AM, Broome MR, Bagshaw AP, Marwaha S, Morales-Muñoz I. Shorter night-time sleep duration and later sleep timing from infancy to adolescence. J Child Psychol Psychiatry 2024. [PMID: 38708717 DOI: 10.1111/jcpp.14004] [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] [Accepted: 03/25/2024] [Indexed: 05/07/2024]
Abstract
BACKGROUND Here, we (a) examined the trajectories of night-time sleep duration, bedtime and midpoint of night-time sleep (MPS) from infancy to adolescence, and (b) explored perinatal risk factors for persistent poor sleep health. METHODS This study used data from 12,962 participants in the Avon Longitudinal Study of Parents and Children (ALSPAC). Parent or self-reported night-time sleep duration, bedtime and wake-up time were collected from questionnaires at 6, 18 and 30 months, and at 3.5, 4-5, 5-6, 6-7, 9, 11 and 15-16 years. Child's sex, birth weight, gestational age, health and temperament, together with mother's family adversity index (FAI), age at birth, prenatal socioeconomic status and postnatal anxiety and depression, were included as risk factors for persistent poor sleep health. Latent class growth analyses were applied first to detect trajectories of night-time sleep duration, bedtime and MPS, and we then applied logistic regressions for the longitudinal associations between risk factors and persistent poor sleep health domains. RESULTS We obtained four trajectories for each of the three sleep domains. In particular, we identified a trajectory characterized by persistent shorter sleep, a trajectory of persistent later bedtime and a trajectory of persistent later MPS. Two risk factors were associated with the three poor sleep health domains: higher FAI with increased risk of persistent shorter sleep (OR = 1.20, 95% CI = 1.11-1.30, p < .001), persistent later bedtime (OR = 1.28, 95% CI = 1.19-1.39, p < .001) and persistent later MPS (OR = 1.30, 95% CI = 1.22-1.38, p < .001); and higher maternal socioeconomic status with reduced risk of persistent shorter sleep (OR = 0.99, 95% CI = 0.98-1.00, p = .048), persistent later bedtime (OR = 0.98, 95% CI = 0.97-0.99, p < .001) and persistent later MPS (OR = 0.99, 95% CI = 0.98-0.99, p < .001). CONCLUSIONS We detected trajectories of persistent poor sleep health (i.e. shorter sleep duration, later bedtime and later MPS) from infancy to adolescence, and specific perinatal risk factors linked to persistent poor sleep health domains.
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Affiliation(s)
- Ifigeneia Manitsa
- Institute for Mental Health, University of Birmingham, Edgbaston, Birmingham, UK
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
| | - Alice M Gregory
- Department of Psychology, Goldsmiths, University of London, London, UK
| | - Matthew R Broome
- Institute for Mental Health, University of Birmingham, Edgbaston, Birmingham, UK
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
- Centre for Human Brain Health, University of Birmingham, Edgbaston, Birmingham, UK
- Early Intervention Service, Birmingham Women's and Children's NHS Trust, Birmingham, UK
| | - Andrew P Bagshaw
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
- Centre for Human Brain Health, University of Birmingham, Edgbaston, Birmingham, UK
| | - Steven Marwaha
- Institute for Mental Health, University of Birmingham, Edgbaston, Birmingham, UK
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
- Specialist Mood Disorders Clinic, Birmingham and Solihull Mental Health Trust, Birmingham, UK
| | - Isabel Morales-Muñoz
- Institute for Mental Health, University of Birmingham, Edgbaston, Birmingham, UK
- School of Psychology, University of Birmingham, Edgbaston, Birmingham, UK
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Abdollahi AM, Li X, Merikanto I, Vepsäläinen H, Lehto R, Rahkola J, Nissinen K, Kanerva N, Roos E, Erkkola M. A tendency toward evening chronotype associates with less healthy diet among preschoolers: cross-sectional findings from the DAGIS study. SLEEP ADVANCES : A JOURNAL OF THE SLEEP RESEARCH SOCIETY 2024; 5:zpae026. [PMID: 38737796 PMCID: PMC11085840 DOI: 10.1093/sleepadvances/zpae026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 04/12/2024] [Indexed: 05/14/2024]
Abstract
Study Objectives Evidence suggests that adolescents and adults with a later chronotype have poorer sleep habits and are more susceptible to unhealthy behaviors, but little is known about these associations in younger children. The objective of the study was to (1) identify and compare individual chronotype tendencies among preschool-aged children and (2) investigate associations of sleep dimensions and chronotype with diet. Methods Participants were 636 3-6 years old (mean ± SD age: 4.74 ± 0.89 years, 49% girls) preschoolers from the cross-sectional Increased Health and Well-Being in Preschoolers (DAGIS) study in Finland. Sleep duration, sleep variability (in duration and midpoint), social jetlag, and midsleep on weekends adjusted for sleep debt (MSWEadj) were measured with 7-day actigraphy. Morning, intermediate, and evening chronotype tendencies were defined based on the lowest and highest 10th percentile cutoffs of MSWEadj. Food, energy, and macronutrient intake were assessed from 3-day records. Associations between sleep dimensions and diet were assessed with regression models. Results MSWEadj was 1:13 ± 14 minutes for morning (n = 64), 2:25 ± 28 minutes for intermediate (n = 560), and 3:38 ± 15 minutes for evening (n = 64) chronotype tendency. Children with an evening chronotype tendency had greater social jetlag and sleep variability. Having an evening chronotype tendency was associated with higher added sugar, higher sugary food consumption, and lower vegetable consumption compared to intermediate tendency types. A later chronotype (MSWEadj) was associated with higher sugary food consumption, as well as lower vegetable and fiber intake. Sleep duration, social jetlag, and sleep variability were not associated with diet. Conclusions Several less healthy sleep and diet behaviors were observed among children with later chronotypes. Future public health interventions aimed towards children would benefit from taking into account chronotype.
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Affiliation(s)
- Anna M Abdollahi
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
| | - Xinyue Li
- School of Data Science, City University of Hong Kong, Hong Kong SAR, China
| | - Ilona Merikanto
- Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
- Orton Orthopaedics Hospital, Helsinki, Finland
| | - Henna Vepsäläinen
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
| | - Reetta Lehto
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
- Folkhälsan Research Center, Folkhälsan, Helsinki, Finland
| | - Jenna Rahkola
- Folkhälsan Research Center, Folkhälsan, Helsinki, Finland
| | - Kaija Nissinen
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
- School of Food and Agriculture, Seinäjoki University of Applied Sciences, Seinäjoki, Finland
| | - Noora Kanerva
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
| | - Eva Roos
- Folkhälsan Research Center, Folkhälsan, Helsinki, Finland
- Department of Food Studies, Nutrition and Dietetics, Uppsala University, Uppsala, Sweden
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Maijaliisa Erkkola
- Department of Food and Nutrition, University of Helsinki, Helsinki, Finland
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Taylor BJ, Pedersen KA, Mazefsky CA, Lamy MA, Reynolds CF, Strathmann WR, Siegel M. From Alert Child to Sleepy Adolescent: Age Trends in Chronotype, Social Jetlag, and Sleep Problems in Youth with Autism. J Autism Dev Disord 2023:10.1007/s10803-023-06187-0. [PMID: 38017309 PMCID: PMC11215932 DOI: 10.1007/s10803-023-06187-0] [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] [Accepted: 11/06/2023] [Indexed: 11/30/2023]
Abstract
PURPOSE Developmental changes in sleep in youth with autism spectrum disorder (ASD) are understudied. In non-ASD youth, adolescents exhibit a "night owl chronotype" (i.e., later sleep/wake timing) and social jetlag (i.e., shifts in sleep timing across school nights and weekends), with corresponding sleep problems. The purpose of this study is to evaluate age trends in chronotype, social jetlag, and sleep problems in high-risk youth with ASD. METHODS Youth with ASD (N = 171), ages 5-21 years old, were enrolled at the time of admission to specialized psychiatric units. Caregivers reported children's demographic information, habitual sleep timing, and sleep problems. Multivariate analyses evaluated the effect of age on chronotype, social jetlag, and sleep problems and the effects of chronotype and social jetlag on sleep problems. Covariates and moderators included sex, race, verbal ability, autism symptom severity, supplemental melatonin, and pubertal status. RESULTS Older age was associated with later chronotype, more social jetlag, fewer sleep anxiety/co-sleeping problems, fewer night waking and parasomnia problems, and more daytime alertness problems. The effect of age on chronotype was stronger for youth with greater social affective symptom severity. Mediation analyses showed that later chronotype statistically mediated the association between age and daytime alertness problems. CONCLUSIONS Youth with ASD may exhibit night owl chronotype behavior and social jetlag as they enter adolescence. Shifts toward a later chronotype may be exacerbated by autism severity and may contribute to alertness problems and sleepiness during the day. Chronotype is modifiable and may be leveraged to improve daytime functioning in youth with ASD.
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Affiliation(s)
- Briana J Taylor
- Life Sciences and Medical Research, The Roux Institute at Northeastern University, 100 Fore Street, Portland, ME, 04101, USA.
- Department of Psychology, Northeastern University, Boston, MA, USA.
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA.
| | - Kahsi A Pedersen
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, Tufts University School of Medicine, Boston, MA, USA
| | - Carla A Mazefsky
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Martine A Lamy
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, OH, USA
| | - Charles F Reynolds
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | | | - Matthew Siegel
- MaineHealth, Center for Clinical and Translational Science, Portland, ME, USA
- Department of Psychiatry, Tufts University School of Medicine, Boston, MA, USA
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Tuerxun P, Xu K, Wang M, Wei M, Wang Y, Jiang Y, Li C, Zhang J. Obesogenic sleep patterns among Chinese preschool children: A latent profile and transition analysis of the association sleep patterns and obesity risk. Sleep Med 2023; 110:123-131. [PMID: 37574612 DOI: 10.1016/j.sleep.2023.07.031] [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: 04/13/2023] [Revised: 07/04/2023] [Accepted: 07/26/2023] [Indexed: 08/15/2023]
Abstract
OBJECTIVE This paper utilized a person-centered approach to examine whether sleep patterns on school and free days are associated with obesity risk in preschool children aged 3-6 years. METHODS The cross-sectional analysis included 204 children from the Wuhan Healthy Start Project with valid sleep data in at least four consecutive days gathered via Actigraph GT3X+. Based on three domains of sleep duration, sleep onset, and sleep offset, we used latent profile analysis to identify distinct sleep patterns on school and free days separately. Additionally, we conducted latent transition analysis to explore the probabilities of sleep patterns transitions between school and free days. The multivariate logistic regression model investigated the associations of sleep patterns with overweight/obesity (OWO) (BMI ≥ age- and sex-specific 85th percentile) and abdominal obesity (AO) (WC ≥ age- and sex-specific 75th percentile). RESULTS Two sleep patterns were identified for school days: "EL-sc" (early-to-sleep/longer-duration) (n = 119; 58.3%) and "LS-sc" (late-to-sleep/shorter-duration) (n = 85; 41.7%). Similarly, "LES-fr" (late-to-sleep/early-to-wake/shorter-duration) (n = 118; 57.8%) and "ELL-fr" (early-to-sleep/late-to-wake/longer-duration) (n = 86; 42.2%) patterns were identified for free days. LTA categorized the participants into four distinct transition groups, i.e., "EL-sc→ELL-fr" (32.9%), "EL-sc→LES-fr" (24.0%), "LS-sc→LES-fr" (33.8%), and "LS-sc→ELL-fr" (9.3%). Compared with the "ELsc→ELL-fr", the "LS-sc→LES-fr" had a higher risk of OWO (AOR 4.76; 95% CI: 1.39-20.33) and AO (AOR, 2.78; 95% CI, 1.21-6.62), respectively. Neither "EL-sc→LES-fr" (AOR, 1.11; 95% CI, 0.14-6.67) nor "LS-sc→ELL-fr" (AOR, 0.74; 95% CI, 0.03-6.14) was significantly associated with OWO. Likewise, no significant association was observed for "EL-sc→LES-fr" (AOR, 0.96; 95% CI, 0.35-2.62) and "LS-sc→ELL-fr" (AOR, 0.56; 95% CI, 0.11-2.18) with AO. CONCLUSIONS "LS-sc→LES-fr" pattern is significantly associated with an increased risk of general and abdominal obesity, indicating its obesogenic nature. Furthermore, although not statistically associated with obesity outcomes, "LS-sc→ELL-fr" and "EL-sc→LES-fr" patterns exhibit a semi-obesogenic characteristic. In addition, we identified a concerning trend that preschool children are at risk of transitioning to and persisting in sleep patterns characterized by delayed and shorter sleep. These findings underscore the importance of implementing interventions and strategies to address sleep patterns as a crucial step to minimize the risk of obesity.
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Affiliation(s)
- Paiziyeti Tuerxun
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ke Xu
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Miyuan Wang
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Mengna Wei
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yimin Wang
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yanfen Jiang
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chunan Li
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jianduan Zhang
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Abdul Jafar NK, Tham EK, Eng DZ, Rifkin-Graboi A, Gooley JJ, Goh DY, Teoh OH, Lee YS, Shek LPC, Yap F, Gluckman PD, Chong YS, Meaney MJ, Cai S, Broekman BF. Chronotype and time-of-day effects on spatial working memory in preschool children. J Clin Sleep Med 2023; 19:1717-1726. [PMID: 37143359 PMCID: PMC10545990 DOI: 10.5664/jcsm.10650] [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: 01/18/2023] [Revised: 04/28/2023] [Accepted: 05/02/2023] [Indexed: 05/06/2023]
Abstract
STUDY OBJECTIVES Spatial working memory (SWM) capacity subserves complex cognitive functions, yet it is unclear whether individual diurnal preferences and time-of-day influence SWM in preschool children. The main and interaction effects of chronotype and time-of-day on SWM and SWM differences in preschoolers with different chronotypes within each time-of-day group will be examined. METHODS We studied a subset of typically developing 4.5-year-olds taking part in a birth cohort study (n = 359). The Children's Chronotype Questionnaire categorized children into morning-, intermediate-, and evening-types. Using a computerized neuropsychological test (Cambridge Neuropsychological Test Automated Battery), SWM was determined from the total number of between-search errors (ie, between search-total errors) and Strategy scores. Higher between search-total errors or lower Strategy scores indicated worse SWM. Time-of-day was categorized into late morning (10:00 am to 11:59 am), afternoon (12:00 pm to 3:59 pm), and late afternoon (4:00 pm to 6:30 pm). In a subsample (n = 199), caregiver-reported chronotype was validated using actigraphy-measured sleep midpoint. RESULTS After controlling for ethnicity, no significant main and interaction effects of chronotype and time-of-day on between search-total errors and Strategy scores were seen (all P > .05). However, evening-types outperformed morning-types (ie, lower mean between search-total errors) in the late afternoon (P = .013) but not in the late morning and afternoon (all P > .05). Actigraphy data in the subsample confirmed that evening-types had later sleep midpoints during weekdays and weekends (P < .001). CONCLUSIONS Since evening-type preschoolers had better SWM in the late afternoon compared to morning-type preschoolers, this gives insights into optimal learning opportunities in early childhood education. CITATION Abdul Jafar NK, Tham EKH, Eng DZH, et al. Chronotype and time-of-day effects on spatial working memory in preschool children. J Clin Sleep Med. 2023;19(10):1717-1726.
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Affiliation(s)
- Nur K. Abdul Jafar
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Elaine K.H. Tham
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Derric Z.H. Eng
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
| | - Anne Rifkin-Graboi
- Centre for Research in Child Development, Office of Educational Research, National Institute of Education, Nanyang Technological University, Singapore
| | - Joshua J. Gooley
- Program in Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore
| | - Daniel Y.T. Goh
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Oon-Hoe Teoh
- Respiratory Medicine Service, Department of Paediatrics, KK Women’s and Children’s Hospital, Singapore
| | - Yung S. Lee
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Lynette Pei-Chi Shek
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Fabian Yap
- Duke-NUS Medical School, Singapore
- Department of Paediatric Endocrinology, KK Women's and Children's Hospital, Singapore
| | - Peter D. Gluckman
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Yap-Seng Chong
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Michael J. Meaney
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Psychiatry and Neurology and Neurosurgery, McGill University, Montreal, Canada
| | - Shirong Cai
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Human Potential Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Birit F.P. Broekman
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research (A*STAR), Singapore
- Department of Psychiatry, OLVG and Amsterdam UMC, VU University, Amsterdam, The Netherlands
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Rönnlund H, Elovainio M, Virtanen I, Heikkilä AR, Raaska H, Lapinleimu H. Child Eveningness as a Predictor of Parental Sleep. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9121968. [PMID: 36553411 PMCID: PMC9777097 DOI: 10.3390/children9121968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
Child eveningness has been associated with many adverse outcomes for children. The aim of this study was to assess whether child eveningness poses a risk to parental sleep quality in follow-up. A total of 146 children (57% adopted, 47% boys, mean age at follow-up 5.1 years [standard deviation 1.7]) completed a 1-week actigraph recording to analyze their sleep twice, 1 year apart. The parents completed the Child ChronoType Questionnaire for their child and a short version of the Morningness-Eveningness Questionnaire for themselves and the Jenkins Sleep Scale for their sleep quality. Linear regression analyses showed that subjective parental sleeping problems at baseline were associated with subjective parental sleeping problems at follow-up. A morning-type child decreased the risk of parental sleeping problems at the 1-year follow-up compared to the child evening chronotype. Additionally, the child intermediate chronotype decreased the risk of maternal sleeping problems at the 1-year follow-up compared to the evening chronotype of the child. Parents of evening-type children experienced more sleeping problems in the follow-up, compared to parents of morning-type children. This finding encourages parents and professionals to steer the diurnal rhythm of evening-type children toward an earlier daily routine.
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Affiliation(s)
- Hanni Rönnlund
- Department of Paediatrics and Adolescent Medicine, University of Turku, 20014 Turku, Finland
- Kaarina Health Center, 20780 Kaarina, Finland
- Correspondence:
| | - Marko Elovainio
- Department of Psychology and Logopedics, University of Helsinki, 00014 Helsinki, Finland
- National Institute for Health and Welfare, 00271 Helsinki, Finland
| | - Irina Virtanen
- Department of Clinical Neurophysiology, Turku University Hospital, 20521 Turku, Finland
- Department of Clinical Neurophysiology, University of Turku, 20521 Turku, Finland
| | - Anna-Riitta Heikkilä
- Department of Pediatrics, University of Helsinki, 00014 Helsinki, Finland
- Department of Pediatrics, Helsinki University Hospital, 00029 Helsinki, Finland
| | - Hanna Raaska
- Department of Child Psychiatry, Helsinki University Hospital, 00029 Helsinki, Finland
| | - Helena Lapinleimu
- Department of Paediatrics and Adolescent Medicine, University of Turku, 20014 Turku, Finland
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital, 20521 Turku, Finland
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Figueiredo S, Vieira R. The Effect of Chronotype on Oppositional Behaviour and Psychomotor Agitation of School-Age Children: A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13233. [PMID: 36293815 PMCID: PMC9602728 DOI: 10.3390/ijerph192013233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
The aim of this study is to examine the relationship between chronotype, classroom behaviour and school performance in 140 healthy school-age children attending various levels of education during the 1st cycle during 2021 in Portugal. In this cross-sectional and quantitative study, the Chronotype Questionnaire for Children (to assess the chronotype) and the Conners Scale-a reduced version was presented to the teachers (to assess behaviours such as excessive movement, inattention and oppositional behaviours)-were used. The methodology of this study followed a comparative method since the independent variables were not controlled, and therefore, it was still possible to compare the differences between the morning and evening groups. Statistical methods were used such as multivariate analyses, inter-item correlations and reliability tests, and descriptive tests were used for the percentile analysis. The sample was divided into three groups based on the identification of the chronotype-morning, intermediate and evening types-to further study the relationship between these chronotypes, their academic performance and classroom behaviour were studied. A multivariate analysis of variance revealed that there was a higher rate of oppositional behaviour in the morning type and no differences in the school performance during the two semesters (covering all of the school periods) regarding the chronotype effect, even with the analysis of regression parameters and covariates. On the other hand, the morning-type children showed a greater amount of motor agitation and impulsivity after controlling for the gender covariate. Age had an effect on the chronotype, after controlling for the covariate parental education. This study highlights the need for further research on the chronotype of the morning children in order to regulate their behaviour. The data that were obtained raise questions that have not been yet considered in the literature in the area of education and infant development.
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Affiliation(s)
- Sandra Figueiredo
- Department of Psychology of Universidade Autónoma de Lisboa, Coordinator Researcher in Psychology Research Centre (CIP) and of Foundation for Science and Technology, 1169-023 Lisbon, Portugal
| | - Rayane Vieira
- Department of Psychology, Universidade Autónoma de Lisboa, 1169-023 Lisbon, Portugal
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8
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Giannoumis M, Mok E, Borkhoff CM, Birken CS, Maguire J, Parkin PC, Li P, Constantin E. Association of accelerometry-derived social jetlag and sleep with temperament in children less than 6 years of age. J Clin Sleep Med 2022; 18:1993-1999. [PMID: 35532114 PMCID: PMC9340604 DOI: 10.5664/jcsm.10056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Social jetlag (SJL) measures the discrepancy between circadian and social clocks. Using accelerometry-derived data, our objective was to assess the prevalence of SJL in young healthy children and determine the association of SJL and sleep with temperament. METHODS Of 117 children participating in TARGet Kids!, a Canadian cohort of healthy preschool-aged children, 78 children (39 girls (50%)); mean age [SD]: 35.1[20.5] months) were included. Sleep was measured objectively using accelerometry. Temperament dimensions (surgency, negative affectivity, and effortful control) were assessed with the very short forms of Rothbart's child and infant behavior questionnaires. We examined associations of SJL and sleep with temperament using multivariable linear regression models adjusted for sex, age, ethnicity, and preschool/daycare attendance. RESULTS 20 out of 78 (25.6%) experienced SJL of greater than 30 minutes. SJL was greater in children who attended preschool/daycare compared with children who did not (26.3[18.8]min vs. 17.6[14.8]min; p<0.05). There was no evidence of an association between SJL and any temperament dimension. We found evidence of an association between increased sleep duration and increased negative affectivity scores (longer 24h sleep (ß:0.347, 95% CI:0.182,0.512, p<0.0001); longer nighttime sleep duration (ß:0.413, 95% CI:0.163,0.663, p=0.002)). CONCLUSIONS In our cohort, 1 in 4 preschool-aged children experienced SJL. Increased sleep duration was associated with increased negative affect, which could have implications for children developing internalizing behavior such as depression or low-self-esteem. We found that sleep duration, but not SJL, was associated with temperament and may impact daytime behavior of young children.
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Affiliation(s)
| | - Elise Mok
- Research Institute, McGill University Health Centre, Montreal, Canada
| | - Cornelia M Borkhoff
- Division of Pediatric Medicine and the Pediatric Outcomes Research Team (PORT), The Hospital for Sick Children, Toronto, Canada.,Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.,Women's College Research Institute, Women's College Hospital, Toronto, Canada
| | - Catherine S Birken
- Division of Pediatric Medicine and the Pediatric Outcomes Research Team (PORT), The Hospital for Sick Children, Toronto, Canada.,Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.,Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Canada
| | - Jonathon Maguire
- Division of Pediatric Medicine and the Pediatric Outcomes Research Team (PORT), The Hospital for Sick Children, Toronto, Canada.,Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.,Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Canada.,Applied Health Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada.,Department of Pediatrics, St. Michael's Hospital, Toronto, Canada
| | - Patricia C Parkin
- Division of Pediatric Medicine and the Pediatric Outcomes Research Team (PORT), The Hospital for Sick Children, Toronto, Canada.,Child Health Evaluative Sciences, The Hospital for Sick Children Research Institute, Toronto, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Canada.,Department of Pediatrics, Faculty of Medicine, University of Toronto, Toronto, Canada
| | - Patricia Li
- Research Institute, McGill University Health Centre, Montreal, Canada.,Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, Canada
| | - Evelyn Constantin
- Research Institute, McGill University Health Centre, Montreal, Canada.,Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, Canada
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9
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Choe R, Sim YF, Hong CHL, Mohideen S, Nadarajan R, Yap F, Shek LPC, Hsu CYS, Broekman BFP, Ferreira JN. Internalizing problems are associated with oral health-related quality of life in early childhood: Outcomes from an Asian multi-ethnic prospective birth cohort. PLoS One 2021; 16:e0256163. [PMID: 34383864 PMCID: PMC8360536 DOI: 10.1371/journal.pone.0256163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 07/30/2021] [Indexed: 11/18/2022] Open
Abstract
Oral health status ideally warrants for a holistic biopsychosocial approach to health and wellness. Little is known about the impact of behavioral problems on oral health-related quality of life (OHRQoL) in children due to the paucity of studies in early childhood, particularly in Asian multi-ethnic populations. This study evaluated the relationship between early child's socioemotional factors and OHRQoL, as well as its association with orofacial pain (OFP) and early childhood caries (ECC) in the Asian GUSTO birth cohort. Mother-child dyads were postnatally assessed at 3 time points. The Child Behavior Checklist (CBCL) was used to assess the child's socioemotional and behavioral problems at age 4-4.5 years together with other validated questionnaires to evaluate maternal anxiety and depression. ECC detection was performed at age 5, and OHRQoL (primary) and OFP (secondary) outcomes were assessed at age 6 from a total of 555 mother-child dyads. After a univariate regression analysis was performed to identify potential predictors and confounders, a multivariate regression model was run with predisposing factors (CBCL internalization and externalization problems, OFP, ECC) and adjusted for confounders (maternal psychosocial states, maternal education) to determine associations with OHRQoL. Results showed an association between CBCL internalization scores and poorer OHRQoL (RR = 1.03, p = 0.033, 95% CI 1.01 to 1.05), although the limited risk ratio may not have a practical applicability in psychosocially healthy children, alike the majority of those evaluated in this cohort. The average OHRQoL overall score among children with OFP was 2.39 times more than those without OFP (OR = 2.39, p < 0.001, 95% CI 2.00 to 2.86). Thus, in early childhood, OFP, and to lesser extent internalizing behaviors, may negatively impact OHRQoL. This study therefore highlights the complex relationship between OHRQoL and its predisposing socioemotional and somatic pain factors, and demands further investigations in clinically relevant populations.
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Affiliation(s)
- Ruth Choe
- Faculty of Dentistry, National University of Singapore, Singapore, Singapore
| | - Yu Fan Sim
- Faculty of Dentistry, National University of Singapore, Singapore, Singapore
| | | | - Sameema Mohideen
- Singapore Institute for Clinical Sciences, A*STAR, Singapore, Singapore
| | - Ranjani Nadarajan
- Singapore Institute for Clinical Sciences, A*STAR, Singapore, Singapore
| | - Fabian Yap
- Department of Paediatrics, KK Women’s and Children’s Hospital, Singapore, Singapore
| | - Lynette P.-C. Shek
- Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | | | - Birit F. P. Broekman
- Singapore Institute for Clinical Sciences, A*STAR, Singapore, Singapore
- OLVG and Amsterdam UMC, VU University, Amsterdam, The Netherlands
| | - Joao N. Ferreira
- Faculty of Dentistry, National University of Singapore, Singapore, Singapore
- Faculty of Dentistry, Exocrine Gland Biology and Regeneration Research Group, Department of Research Affairs, Chulalongkorn University, Bangkok, Thailand
- * E-mail:
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10
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Disorders of Arousal: A Chronobiological Perspective. Clocks Sleep 2021; 3:53-65. [PMID: 33494408 PMCID: PMC7838780 DOI: 10.3390/clockssleep3010004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/13/2021] [Accepted: 01/17/2021] [Indexed: 12/12/2022] Open
Abstract
Non-rapid eye movement (NREM) sleep parasomnias are characterized by motor and emotional behaviors emerging from incomplete arousals from NREM sleep and they are currently referred to as disorders of arousal (DoA). Three main clinical entities are recognized, namely confusional arousal, sleep terror and sleepwalking. DoA are largely present in pediatric populations, an age in which they are considered as transitory, unhabitual physiological events. The literature background in the last twenty years has extensively shown that DoA can persist in adulthood in predisposed individuals or even appear de novo in some cases. Even though some episodes may arise from stage 2 of sleep, most DoA occur during slow wave sleep (SWS), and particularly during the first two sleep cycles. The reasons for this timing are linked to the intrinsic structure of SWS and with the possible influence on this sleep phase of predisposing, priming and precipitating factors for DoA episodes. The objective of this paper is to review the intrinsic sleep-related features and chronobiological aspects affecting SWS, responsible for the occurrence of the majority of DoA episodes during the first part of the night.
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11
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Morales-Muñoz I, Kantojärvi K, Uhre VM, Saarenpää-Heikkilä O, Kylliäinen A, Pölkki P, Himanen SL, Karlsson L, Karlsson H, Paavonen EJ, Paunio T. The Effects of Genetic Background for Diurnal Preference on Sleep Development in Early Childhood. Nat Sci Sleep 2021; 13:219-228. [PMID: 33623463 PMCID: PMC7896793 DOI: 10.2147/nss.s287163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/15/2021] [Indexed: 01/08/2023] Open
Abstract
PURPOSE No previous research has examined the impact of the genetic background of diurnal preference on children´s sleep. Here, we examined the effects of genetic risk score for the liability of diurnal preference on sleep development in early childhood in two population-based cohorts from Finland. PARTICIPANTS AND METHODS The primary sample (CHILD-SLEEP, CS) comprised 1420 infants (695 girls), and the replication sample (FinnBrain, FB; 962 girls) 2063 infants. Parent-reported sleep duration, sleep-onset latency and bedtime were assessed at three, eight, 18 and 24 months in CS, and at six, 12 and 24 months in FB. Actigraphy-based sleep latency and efficiency were measured in CS in 365 infants at eight months (168 girls), and in 197 infants at 24 months (82 girls). Mean standard scores for each sleep domain were calculated in both samples. Polygenic risk scores (PRS) were used to quantitate the genetic risk for eveningness (PRSBestFit) and morningness (PRS10kBest). RESULTS PRSBestFit associated with longer sleep-onset latency and later bedtime, and PRS10kBest related to shorter sleep-onset latency in CS. The link between genetic risk for diurnal preference and sleep-onset latency was replicated in FB, and meta-analysis resulted in associations (P<0.0005) with both PRS-values (PRSBestFit: Z=3.55; and PRS10kBest: Z=-3.68). Finally, PRSBestFit was related to actigraphy-based lower sleep efficiency and longer sleep latency at eight months. CONCLUSION Genetic liability to diurnal preference for eveningness relates to longer sleep-onset during the first two years of life, and to objectively measured lowered sleep efficiency. These findings enhance our understanding on the biological factors affecting sleep development, and contribute to clarify the physiological sleep architecture in early childhood.
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Affiliation(s)
- Isabel Morales-Muñoz
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Institute for Mental Health, School of Psychology, University of Birmingham, Birmingham, UK
| | - Katri Kantojärvi
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Department of Psychiatry and SleepWell Research Program, Faculty of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Veli-Matti Uhre
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Outi Saarenpää-Heikkilä
- Pediatric Clinic, Tampere University Hospital, Tampere, Finland.,Tampere Centre for Child Health Research, University of Tampere and Tampere University Hospital, Tampere, Finland
| | - Anneli Kylliäinen
- Psychology, Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Pirjo Pölkki
- Department of Social Sciences, University of Eastern Finland, Kuopio, Finland
| | - Sari-Leena Himanen
- Department of Clinical Neurophysiology, Tampere University Hospital, Medical Imaging Centre and Hospital Pharmacy, Pirkanmaa Hospital District, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Linnea Karlsson
- The FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland.,Centre for Population Health Research, Turku University Hospital and University of Turku, Turku, Finland.,Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - Hasse Karlsson
- The FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland.,Centre for Population Health Research, Turku University Hospital and University of Turku, Turku, Finland.,Department of Psychiatry, University of Turku and Turku University Hospital, Turku, Finland
| | - E Juulia Paavonen
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Pediatric Research Center, Child Psychiatry, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tiina Paunio
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland.,Department of Psychiatry and SleepWell Research Program, Faculty of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
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12
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Chen X, Qiang Y, Liu X, Yang Q, Zhu Q, Li B, Wang R. The Prevalence of Insufficient Sleep and Bedtime Delay Among Kindergarten Children Aged 3 to 6 Years in a Rural Area of Shanghai: A Cross-Sectional Study. Front Pediatr 2021; 9:759318. [PMID: 34900866 PMCID: PMC8655690 DOI: 10.3389/fped.2021.759318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/21/2021] [Indexed: 12/15/2022] Open
Abstract
Introduction: Sleep deprivation in children is a global public health problem that affects the physical and mental development of children. Bedtime delay induced by longer screen time and heavy study load is a common cause of sleep deprivation in children. However, the prevalence of insufficient sleep and bedtime delay and related influencing factors among kindergarten children is limited in Shanghai, China. Methods: In 2018, we selected 8,586 children aged 3 to 6 years and their parents in Songjiang District, Shanghai. Data was collected among parents by face-to-face questionnaire interview with signed informed consent. We defined insufficient sleep as those who slept for < 10 h in children aged 3-5 years or 9 h in children aged 6 years within 24 h, and we define bedtime delay as children with bedtime after 21:00. SAS 9.1.3 software was used to calculate the prevalence of bedtime delay and insufficient sleep, and logistic regression was used to explore potential influencing factors. Results: The prevalence of insufficient sleep and bedtime delay among children aged 3 to 6 years was 11.67 and 56.85%, respectively. The prevalence of insufficient sleep among boys was slightly higher than among girls [odds ratio (OR) = 1.18, 95% confidence interval (CI): 1.04-1.35]. With the increase of the age of children, the prevalence of insufficient sleep increased gradually (P < 0.05). The prevalence of insufficient sleep was higher among the only child in the family (OR = 1.18, 95% CI: 1.02-1.36) and those with longer hours of TV watching (OR = 109, 95% CI: 1.02-1.16). Meanwhile, the prevalence of bedtime delay was also higher among the only child in the family (OR = 1.17, 95% CI: 1.06-1.79), among those with parents accompanying for sleep (OR = 1.21, 95% CI: 1.10-1.34), and those with longer TV watching time (OR = 1.13, 95% CI: 1.07-1.18). Conclusions: Insufficient sleep and bedtime delay were prevalent in Chinese children aged 3 to 6 years, especially in boys and older children. TV watching as well as parents accompanying for sleep were associated with insufficient sleep and bedtime delay. We recommend that parents should limit the screen time of children, advocate earlier bedtime and later morning wake-up among children, as well as make their children sleep in separate beds or rooms in younger age.
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Affiliation(s)
- Xi Chen
- Shanghai Skin Disease Hospital, Shanghai, China
| | - Yan Qiang
- Shanghai Skin Disease Hospital, Shanghai, China
| | - Xia Liu
- School of Public Health, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qing Yang
- Songjiang Maternity and Child Health Hospital, Shanghai, China
| | - Qingqing Zhu
- Songjiang Maternity and Child Health Hospital, Shanghai, China
| | - Bin Li
- Shanghai Skin Disease Hospital, Shanghai, China
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13
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Evening types have social jet lag and metabolic alterations in school-age children. Sci Rep 2020; 10:16747. [PMID: 33028896 PMCID: PMC7541646 DOI: 10.1038/s41598-020-73297-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 06/15/2020] [Indexed: 12/14/2022] Open
Abstract
Chronotype has been mostly assessed with subjective scales. Objective assessment has been undertaken with actigraphy, although problems may occur in classifying chronotype. The aims of the study were to assess chronotype in school-age children using a novel integrative measurement (TAP) derived from non-invasive assessments of wrist temperature (T) physical activity (A) and body position (P) and to explore associations between chronotype, sleep disturbances, and metabolic components. Four-hundred-thirty-two children of 8-12 years were recruited from a Mediterranean area of Spain. Measurements were: (a) Chronotype objectively (7-day-rhythms of TAP) and subjectively measured (Munich-chronotype-self-reported questionnaire); (b) sleep rhythms and light exposition; (c) 7-day-diaries of food intake; (d) anthropometry and metabolic parameters; (e) academic scores. TAP acrophase was able to assess eveningness. As compared to more morning-types, more evening-types displayed lower amplitude in temperature rhythms, increased physical activity in the evening, delayed sleep and midpoint of intake and had more frequent social jet lag (P < 0.05). More evening-types had higher light intensity at 2 h before sleep and lower melatonin values (01:00 h). Eveningness associated with higher BMI and metabolic risk (higher values of insulin, glucose, triglycerides and cholesterol). Evening-types presented better grades in art. In conclusion, more evening-types, as objectively assessed, presented sleep alterations, social jet lag, obesity and higher metabolic risk.
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14
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Kapek Ł, Paprocka J, Kijonka M, Zych M, Emich-Widera E, Rzepka-Migut B, Borys D, Kaczmarczyk-Sedlak I, Sokół M. Circadian Profile of Salivary Melatonin Secretion in Hypoxic Ischemic Encephalopathy. Int J Endocrinol 2020; 2020:6209841. [PMID: 33061967 PMCID: PMC7533010 DOI: 10.1155/2020/6209841] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/01/2020] [Accepted: 09/03/2020] [Indexed: 01/21/2023] Open
Abstract
PURPOSE In the present study, the salivary melatonin secretion in the hypoxic ischemic encephalopathy (HIE) children was measured. The logit model was fitted to the data to obtain the salivary dim light melatonin onsets (DLMOs), and the results were compared with the values estimated from the classic threshold method with a linear interpolation and those previously published for the blood measurements. MATERIALS AND METHODS 9 patients suffering from HIE aged from 65 to 80 months were included in the study. The melatonin levels were assessed by a radioimmunoassay (RIA). The diurnal melatonin secretion was estimated using a nonlinear least squares method. Student's t-test and the Mann-Whitney U test were used for the comparisons of the obtained parameters. RESULTS The circadian profiles of the melatonin secretion for both calculation methods do not differ statistically. The DLMO parameters obtained in the blood and saliva samples in children with hypoxic ischemic encephalopathy were similar.
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Affiliation(s)
- Łukasz Kapek
- Department of Medical Physics, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice, Poland
- Faculty of Science and Technology, University of Silesia, Katowice, Poland
| | - Justyna Paprocka
- Department of Paediatric Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Marek Kijonka
- Department of Medical Physics, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice, Poland
| | - Maria Zych
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Poland
| | - Ewa Emich-Widera
- Department of Paediatric Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Katowice, Poland
| | - Beata Rzepka-Migut
- Department of Pediatric Neurology, St. Queen Jadwiga's Regional Clinical Hospital No. 2, Rzeszów, Poland
| | - Damian Borys
- Silesian University of Technology, Department of Systems Biology and Engineering, Gliwice, Poland
| | - Ilona Kaczmarczyk-Sedlak
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Poland
| | - Maria Sokół
- Department of Medical Physics, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice, Poland
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15
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Taylor BJ, Bowman MA, Brindle A, Hasler BP, Roecklein KA, Krafty RT, Matthews KA, Hall MH. Evening chronotype, alcohol use disorder severity, and emotion regulation in college students. Chronobiol Int 2020; 37:1725-1735. [PMID: 32791860 PMCID: PMC10080672 DOI: 10.1080/07420528.2020.1800028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The evening chronotype is strongly associated with greater alcohol use, though mechanisms underlying this association are not well understood. The current study evaluated emotion regulation as a potential mechanism linking evening chronotype and alcohol use. Participants were 81 undergraduate students. Chronotype was assessed using the Composite Scale of Morningness (CSM). Alcohol use disorder severity was assessed using the Alcohol Use Disorder Identification Test (AUDIT). Participants recorded daily sleep patterns using an online diary for seven days. Participants then completed a standardized laboratory emotion regulation task. Self-reported affect, high-frequency heart rate variability (HF-HRV), and pre-ejection period (PEP) were measured throughout the task. Sleep duration on non-free days (defined as days when sleep was restricted by morning obligations such as work or school) was evaluated as a moderator. Thirty-one evening chronotypes (CSM scores ≤ 26) were compared to 50 non-evening chronotypes (CSM scores >26). Evening chronotypes reported significantly greater symptoms of alcohol use disorder (F = 4.399, p = .039). In the full sample, emotion regulation was successful for altering affective but not autonomic reactivity to emotional stimuli. There were no chronotype differences in self-reported affect, HF-HRV, or PEP during the emotion regulation task. Longer sleep duration on non-free days was associated with increased HF-HRV during negative emotion regulation among non-evening chronotypes. Moderated mediation revealed that emotion regulation did not mediate the association between evening chronotype and alcohol use, irrespective of sleep duration on non-free days. This study is consistent with the literature on chronotype and substance use, demonstrating that undergraduate evening chronotypes endorse greater severity of alcohol use disorder. Given that emotion regulation did not successfully alter autonomic reactivity to emotional stimuli, emotion regulation as a potential mechanism linking chronotype and alcohol use remains inconclusive. Longer sleep duration appears to be protective for non-evening chronotypes in terms of parasympathetic control during the regulation of negative emotions.
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Affiliation(s)
- Briana J Taylor
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA.,Center for Psychiatric Research, Maine Medical Center , Portland, Maine, USA
| | - Marissa A Bowman
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
| | - Alicia Brindle
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
| | - Brant P Hasler
- Department of Psychiatry, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania, USA
| | - Kathryn A Roecklein
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
| | - Robert T Krafty
- Department of Biostatistics, University of Pittsburgh , Pittsburgh, Pennsylvania, USA
| | - Karen A Matthews
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA.,Department of Psychiatry, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania, USA
| | - Martica H Hall
- Department of Psychology, University of Pittsburgh , Pittsburgh, Pennsylvania, USA.,Department of Psychiatry, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania, USA
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16
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Schoch SF, Kurth S, Werner H. Actigraphy in sleep research with infants and young children: Current practices and future benefits of standardized reporting. J Sleep Res 2020; 30:e13134. [PMID: 32638500 PMCID: PMC8244022 DOI: 10.1111/jsr.13134] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 06/03/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022]
Abstract
Actigraphy is a cost‐efficient method to estimate sleep–wake patterns over long periods in natural settings. However, the lack of methodological standards in actigraphy research complicates the generalization of outcomes. A rapidly growing methodological diversity is visible in the field, which increasingly necessitates the detailed reporting of methodology. We address this problem and evaluate the current state of the art and recent methodological developments in actigraphy reporting with a special focus on infants and young children. Through a systematic literature search on PubMed (keywords: sleep, actigraphy, child *, preschool, children, infant), we identified 126 recent articles (published since 2012), which were classified and evaluated for reporting of actigraphy. Results show that all studies report on the number of days/nights the actigraph was worn. Reporting was good with respect to device model, placement and sleep diary, whereas reporting was worse for epoch length, algorithm, artefact identification, data loss and definition of variables. In the studies with infants only (n = 58), the majority of articles (62.1%) reported a recording of actigraphy that was continuous across 24 hr. Of these, 23 articles (63.9%) analysed the continuous 24‐hr data and merely a fifth used actigraphy to quantify daytime sleep. In comparison with an evaluation in 2012, we observed small improvements in reporting of actigraphy methodology. We propose stricter adherence to standards in reporting methodology in order to streamline actigraphy research with infants and young children, to improve comparability and to facilitate big data ventures in the sleep community.
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Affiliation(s)
- Sarah F Schoch
- Department of Pulmonology, University Hospital Zurich, Zurich, Switzerland
| | - Salome Kurth
- Department of Pulmonology, University Hospital Zurich, Zurich, Switzerland.,Department of Psychology, University of Fribourg, Fribourg, Switzerland
| | - Helene Werner
- Psychosomatics and Psychiatry, University Children's Hospital, Zurich, Switzerland.,Division of Child and Adolescent Health Psychology, Institute of Psychology, University of Zurich, Zürich, Switzerland
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17
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Eid B, Bou Saleh M, Melki I, Torbey PH, Najem J, Saber M, El Osta N, Rabbaa Khabbaz L. Evaluation of Chronotype Among Children and Associations With BMI, Sleep, Anxiety, and Depression. Front Neurol 2020; 11:416. [PMID: 32581995 PMCID: PMC7291378 DOI: 10.3389/fneur.2020.00416] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 04/20/2020] [Indexed: 12/01/2022] Open
Abstract
Objectives: To evaluate possible associations between chronotype, weight, sleep problems, anxiety, and depression among children from 6 to 12 years of age. Method: One-hundred children aged between 6 and 12 years were randomly recruited in five pediatrician clinics in the capital city of Beirut, Lebanon. The protocol was approved by the ethics committee of Saint-Joseph University and Hotel-Dieu Hospital and an informed written formal consent was obtained from one of the parents. The Sleep Disturbance Scale for Children (CCTQ), the Revised Child Anxiety and Depression Scale (RCADS)-Parent version, and the Children's Chronotype Questionnaire (CCTQ) were used. Results: The majority of the sample (47%) presented an intermediate chronotype. There was a shift toward evening chronotype with increased age and a significant association between electronic devices use and an evening chronotype. Higher sleep disturbances were also observed among children with an evening chronotype. In particular, disorders of initiating and maintaining sleep, non-restorative sleep, excessive somnolence, and total SDSC were significantly higher among evening type children in our study. Finally, major depression domain scores were significantly higher among children with an evening chronotype. Conclusions: Several findings of this study are important and explain factors associated to chronotype in children. Two important future perspectives can be highlighted: limiting electronic devices use among children in an effort to reduce circadian rhythm disturbances and identifying and treating sleep problems associated with eveningness, taking into account the possible presence of major depression among this population.
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Affiliation(s)
- Bassam Eid
- Faculty of Medicine, Saint-Joseph University of Beirut, Beirut, Lebanon.,Department of Pediatrics, Hôtel-Dieu de France Hospital, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Mary Bou Saleh
- Laboratoire de Pharmacologie, Pharmacie clinique et Contrôle de qualite des medicaments, Faculty of Pharmacy, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Imad Melki
- Faculty of Medicine, Saint-Joseph University of Beirut, Beirut, Lebanon.,Department of Pediatrics, Hôtel-Dieu de France Hospital, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Paul-Henry Torbey
- Faculty of Medicine, Saint-Joseph University of Beirut, Beirut, Lebanon.,Department of Pediatrics, Hôtel-Dieu de France Hospital, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Joelle Najem
- Laboratoire de Pharmacologie, Pharmacie clinique et Contrôle de qualite des medicaments, Faculty of Pharmacy, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Maroun Saber
- Laboratoire de Pharmacologie, Pharmacie clinique et Contrôle de qualite des medicaments, Faculty of Pharmacy, Saint-Joseph University of Beirut, Beirut, Lebanon
| | - Nada El Osta
- Craniofacial Research Laboratory, Oral Health Unit, Faculty of Dental Medicine, Saint-Joseph University, Beirut, Lebanon.,Department of Prosthodontics, Faculty of Dental Medicine, Saint-Joseph University, Beirut, Lebanon
| | - Lydia Rabbaa Khabbaz
- Laboratoire de Pharmacologie, Pharmacie clinique et Contrôle de qualite des medicaments, Faculty of Pharmacy, Saint-Joseph University of Beirut, Beirut, Lebanon
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18
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Gültekin T, Bayık-Temel A. Sleep Problems and Effective Factors in Preschool Children. FLORENCE NIGHTINGALE JOURNAL OF NURSING 2020; 28:164-173. [PMID: 34263195 PMCID: PMC8152167 DOI: 10.5152/fnjn.2020.18063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 04/04/2019] [Indexed: 11/23/2022]
Abstract
AIM This descriptive field study was carried out to determine the prevalence of sleep problems and affecting factors in preschool children. METHOD The universe of this descriptive study consisted of 5454 children studying in kindergartens affiliated to the Ministry of National Education in İzmir. The study sample consisted of 325 children aged 4-6 years attending preschool and their mothers/caregivers in three kindergartens in İzmir. Data were collected by interviewing the mothers by using the "Brief Infant Sleep Questionnaire Turkish Form." SPSS 16.0 package program was used to evaluate the data. The data were presented as numbers, percentages, and median, and chi-square statistical tests were used to analyze the data. RESULTS By calculating the seven parameters (sleep level measurements) of the Baby/Child Sleep Problem Diagnosis Form, the prevalence of sleep problems in children was found to be 43.4%. There was no difference in the frequency of sleep problems according to age and sex of children (p>0.05). Sleep problems were most prevalent in children of mothers with high school degree and least prevalent in children of mothers with college and above educational status (p<0.05). No difference was found between the children who had their own room for sleeping and those who did not (p>0.05). Sleeping problems were most prevalent among children who slept in the room of their siblings, another person, or in their parents' bed (p<0.05). CONCLUSION Nurses should interview mothers in all health institutions and determine sleeping problems during the nursing assessment process and provide counseling and education to mothers.
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Affiliation(s)
- Tuğba Gültekin
- Dokuz Eylül University Health Services Vocational School, First and Emergency Aid Program, İzmir, Turkey
| | - Ayla Bayık-Temel
- Department of Public Health Nursing, Ege University Faculty of Nursing, İzmir, Turkey
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Lyu J, Ye X, Chen Y, Xia Y, Zhu J, Tong S, Yin Y, Qu J, Li S. Children's Sleep May Depend on Maternal Sleep Duration During Pregnancy: A Retrospective Study. Nat Sci Sleep 2020; 12:197-207. [PMID: 32210651 PMCID: PMC7071877 DOI: 10.2147/nss.s239001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/06/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Animal studies suggested that maternal sleep during pregnancy was associated with sleep pattern in offspring; however, it has not been clear in human populations. AIM Our study discusses the relationships of maternal sleep duration with sleep characteristics in their offspring through an epidemiological study. METHODS A retrospective cross-sectional study including 6236 mother-child dyads was conducted in 31 preschools in May 2019, in Shanghai, China. Information regarding maternal sleep duration in three trimesters of pregnancy was collected retrospectively. Children's current sleep characteristics were evaluated through the Children's Sleep Habits Questionnaire (CSHQ). Linear regressions and logistic regression models were applied to estimate β and adjusted odds ratios with 95% confidence intervals (95% CI). RESULTS Maternal sleep duration was positively associated with childhood sleep duration, which was shown in the first (β=0.113), second (β=0.131), and third trimesters (β=0.088). Meanwhile, insufficient maternal sleep duration could increase the risk of children's short sleep duration (first trimester: AOR=1.25; second trimester: AOR=1.33; third trimester: AOR=1.33). Maternal sleep duration was also associated with childhood CSHQ score: β=-0.308, -0.392, and -0.300 for the first, second, and third trimesters, respectively. Similarly, insufficient maternal sleep duration could predict childhood sleep disturbance as AOR=1.28 in the second trimester and AOR=1.26 in the third trimester. CONCLUSION Our findings established a relationship between maternal sleep during pregnancy and their children's sleep pattern through a population-based epidemiology study. Poor childhood sleep was found when their mother experienced less sleep duration during pregnancy, especially in the second and third trimesters.
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Affiliation(s)
- Jiajun Lyu
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Xiuxia Ye
- Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yiting Chen
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Yuanqing Xia
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Jianzhen Zhu
- School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Shilu Tong
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,School of Public Health and Social Work, Queensland University of Technology, Brisbane, QLD, Australia
| | - Yong Yin
- Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Jiajie Qu
- Shanghai Municipal Education Commission, Shanghai, People's Republic of China
| | - Shenghui Li
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,MOE-Shanghai Key Laboratory of Children's Environmental Health, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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20
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Prevalence of and factors associated with poor sleep quality and short sleep in a working population in Singapore. Sleep Health 2019; 6:277-287. [PMID: 31836498 DOI: 10.1016/j.sleh.2019.10.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 09/29/2019] [Accepted: 10/21/2019] [Indexed: 11/21/2022]
Abstract
OBJECTIVES We aimed to examine the prevalence of poor sleep quality and short sleep and their associated factors in a working population in Singapore. DESIGN This is a cross-sectional analysis. SETTING Four companies in Singapore were included in this study. PARTICIPANTS Participants included 464 full-time employees (aged ≥21 years). MEASUREMENTS Self-reported sleep quality was assessed using the Pittsburgh Sleep Quality Index (PSQI). Self-administered questionnaires were used to collect data on sociodemographic characteristics, health behaviours, medical history, chronotype, psychosocial factors, health-related quality of life (HRQoL) and occupational factors. Clinical measurements were performed using standard tools and protocols. Multivariate logistic regression was used to examine the factors associated with poor sleep quality (PSQI global score >5) and short sleep (<7 hours/night). RESULTS The mean age was 39.0 (SD: 11.4) years, and 79.5% were men. The prevalence of poor sleep quality was 42.5%, and 66.2% were short sleepers. Nearly three-fourths (71.3%) had at least one of these two conditions. Age, Malay ethnicity (vs. Chinese), chronic conditions, poorer mental health, stress at home or work and shift work were positively associated, and mental component summary of the HRQoL scale and work years in the current company were negatively associated with poor sleep quality. Age, Malay and Indian ethnicities (vs. Chinese), longer dinner-to-bed time, snacking between dinner and bed time, and poorer mental health were positively associated with short sleep. CONCLUSIONS Poor sleep quality and short sleep were highly common in this working population in Singapore. Workplace policies should include education and intervention programmes to promote better sleep hygiene.
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21
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Majumdar P, Sahu S. Morningness orientation is an important determinant to circadian misalignment and tolerance: an Asian perspective. Chronobiol Int 2019; 37:2-28. [DOI: 10.1080/07420528.2019.1682597] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Piya Majumdar
- Ergonomics and Occupational Physiology Laboratory, Department of Physiology, University of Kalyani, Kalyani, India
| | - Subhashis Sahu
- Ergonomics and Occupational Physiology Laboratory, Department of Physiology, University of Kalyani, Kalyani, India
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22
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Yeung WF, Yu BYM, Ho YS, Ho FYY, Chung KF, Lee RLT, Wong C, Lam MY. Validation of the Chinese Version of the Children's ChronoType Questionnaire (CCTQ) in school-aged children. Chronobiol Int 2019; 36:1681-1690. [PMID: 31601133 DOI: 10.1080/07420528.2019.1673769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The Children's ChronoType Questionnaire (CCTQ) is a valid and reliable measure for assessing prepubertal children aged 4-11 years. The CCTQ is a parent-reported, 27-item questionnaire consisting of sleep-wake parameters for scheduled and free days (16 items), a morningness/eveningness scale (M/E, 10 items), and a five-point, single-item, chronotype score. The CCTQ has been translated into different languages, but a Chinese version is not available. In the present study, we aimed to produce a Chinese version of the CCTQ and test its validity and reliability on school-aged children. A total of 555 children aged 7-11 years were recruited from five primary schools. The parents were told to complete the CCTQ and record their child's sleep pattern in a 7-day sleep diary. Sixty-six children and their parents were invited to participate in determining the test-retest reliability of the CCTQ over a 2-week interval, and their sleep patterns were assessed using a sleep diary. The internal consistency of the Chinese CCTQ M/E score as measured by Cronbach's alpha was acceptable (0.74). Regarding the test-retest reliability of the instrument, moderate to strong Spearman's correlation coefficients were found for most of the CCTQ - sleep-wake items (ρ = 0.52-0.86) and for the CCTQ-M/E total score (ρ = 0.78). For the concurrent validity, Spearman's correlations between the sleep-wake parameters of the CCTQ and the sleep diary were moderate to high on both the scheduled days (ρ = 0.54 to 0.87) and free days (ρ = 0.36 to 0.60). For the correlations measured with actigraphs, significant correlations were found in the CCTQ sleep-wake parameters, including bedtime, get-up time, sleep latency, sleep period, time in bed, and mid-sleep point on both the scheduled (ρ = 0.31 to 0.76) and free days (ρ = 0.27 to 0.52), but not in sleep latency and sleep period on free days. The results of the present study suggest that the Chinese version of the CCTQ is a reliable and valid tool for assessing chronotypes in Chinese school-aged children in Hong Kong.
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Affiliation(s)
- Wing-Fai Yeung
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, China
| | - Branda Yee-Man Yu
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, China
| | - Yuan-Shan Ho
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, China
| | - Fiona Yan Yee Ho
- Department of Psychology, The Chinese University of Hong Kong, Hong Kong, China
| | - Ka Fai Chung
- Department of Psychiatry, the University of Hong Kong, Hong Kong, China
| | - Regina Lai Tong Lee
- School of Nursing and Midwifery, The University of Newcastle, Callaghan, Australia
| | - Corine Wong
- Department of Psychiatry, the University of Hong Kong, Hong Kong, China
| | - Mei Yuk Lam
- Department of Medical Science, Tung Wah College, Hong Kong, China
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23
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Paavonen EJ, Morales‐Muñoz I, Pölkki P, Paunio T, Porkka‐Heiskanen T, Kylliäinen A, Partonen T, Saarenpää‐Heikkilä O. Development of sleep–wake rhythms during the first year of age. J Sleep Res 2019; 29:e12918. [DOI: 10.1111/jsr.12918] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 07/01/2019] [Accepted: 08/12/2019] [Indexed: 11/28/2022]
Affiliation(s)
- E. Juulia Paavonen
- Department of Public Health Solutions National Institute for Health and Welfare Helsinki Finland
- Pediatric Research Center Child Psychiatry University of Helsinki and Helsinki University Hospital Helsinki Finland
| | - Isabel Morales‐Muñoz
- Department of Public Health Solutions National Institute for Health and Welfare Helsinki Finland
- Institute for Mental Health School of Psychology University of Birmingham Birmingham UK
| | - Pirjo Pölkki
- Department of Social Sciences University of Eastern Finland Kuopio Finland
| | - Tiina Paunio
- Department of Public Health Solutions National Institute for Health and Welfare Helsinki Finland
- Psychiatry University of Helsinki and Helsinki University Hospital Helsinki Finland
| | | | - Anneli Kylliäinen
- Psychology Faculty of Social Sciences Tampere University Tampere Finland
| | - Timo Partonen
- Department of Public Health Solutions National Institute for Health and Welfare Helsinki Finland
| | - Outi Saarenpää‐Heikkilä
- Department of Paediatrics Tampere University Hospital Tampere Finland
- Tampere Centre for Child Health Research Tampere University Tampere Finland
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24
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Morales-Muñoz I, Partonen T, Saarenpää-Heikkilä O, Kylliäinen A, Pölkki P, Porkka-Heiskanen T, Paunio T, Paavonen EJ. The role of parental circadian preference in the onset of sleep difficulties in early childhood. Sleep Med 2019; 54:223-230. [DOI: 10.1016/j.sleep.2018.10.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/18/2018] [Accepted: 10/21/2018] [Indexed: 11/26/2022]
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25
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de Almondes KM, Leonardo MEM. Study Protocol of Sleep Education Tool for Children: Serious Game "Perfect Bedroom: Learn to Sleep Well". Front Psychol 2018; 9:1016. [PMID: 29997540 PMCID: PMC6028730 DOI: 10.3389/fpsyg.2018.01016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 05/31/2018] [Indexed: 12/19/2022] Open
Abstract
Promoting a healthy sleep is a big challenge and becomes a strategic priority in public health, due to the severe consequences on children's development and risk to psychiatric diseases. Interventions that promote healthy sleep, such as those that focus on the dissemination of behavioral and environmental recommendations of sleep hygiene with children, are presented as an alternative. Serious game design offers wide-reaching domains in health applications and is increasing in popularity, particularly with children and teens because of it's potential to engage and motivate players differently from other interventions. This study aims to evaluate effects of serious game on sleep hygiene recommendations "Perfect Bedroom: learn to sleep well," on sleep habits and sleep parameters of healthy children. This is an experimental, prospective and quantitative study. We will randomize children in experimental (n = 88) and no intervention groups (n = 88). The experiment has four stages (pre-intervention, intervention, post-intervention, and follow-up), which will count with participation of children and their parents/guardians. In the evaluation stages, the guardians will answer questionnaires and scales to assess sociodemographic and health data, sleep habits and sleep pattern of their child. The children themselves will answer the following: a scale to assess sleepiness levels, a questionnaire to evaluate the serious game and the game itself, will characterize their bedroom and the activities they perform before sleep, with strategies developed by researches. Intervention with experimental group conducted with the serious game "Perfect Bedroom" will happen twice a week, for 3 weeks in a row, resulting in six sessions of 50 min each. Inferential analysis will be conducted for comparisons between groups and intragroups to measure effect of intervention in primary outcomes (sleep habits) and secondary outcomes (sleep parameters). We expect that the intervention with this game can provide valuable evidence to a new approach in promoting healthy sleep habits, with applications in clinical, educational, and familiar settings, which could diminish future health issues and risk at psychiatric diseases, decreasing the social burden of treatments for these conditions in children.
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Affiliation(s)
- Katie Moraes de Almondes
- Department of Psychology and Postgraduate Program, Postgraduate Program in Psychobiology, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Maria E M Leonardo
- Postgraduate Program in Psychology, Federal University of Rio Grande do Norte, Natal, Brazil
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26
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Hatton REM, Gardani M. Maternal perceptions of advice on sleep in young children: How, what, and when? Br J Health Psychol 2018; 23:476-495. [DOI: 10.1111/bjhp.12300] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 01/21/2018] [Indexed: 11/29/2022]
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27
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Lee TY, Chang PC, Tseng IJ, Chung MH. Nocturnal sleep mediates the relationship between morningness-eveningness preference and the sleep architecture of afternoon naps in university students. PLoS One 2017; 12:e0185616. [PMID: 29040275 PMCID: PMC5644984 DOI: 10.1371/journal.pone.0185616] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/15/2017] [Indexed: 11/18/2022] Open
Abstract
The present study investigated the parameters of nocturnal sleep that mediate the relationship between morningness-eveningness preference and the sleep architecture of naps in university students. This study had a cross-sectional, descriptive correlational design. The sleep architecture of 52 students invited to take an afternoon nap in the laboratory was recorded. The morningness-eveningness questionnaire (MEQ) was used to evaluate morningness-eveningness preference. An actigraph was used to collect students' nighttime sleep data in the week preceding the study. Polysomnography was used to measure the sleep architecture of the participants' naps. After adjustments for potential factors, although the MEQ did not directly correlate with the percentage of sleep stages in naps, the effects of the MEQ on the percentage of Stage 1 sleep, slow-wave sleep, and rapid eye movement sleep; sleep duration; and sleep efficiency of naps were mediated by the total sleep time in the preceding week. This preliminary study suggests that nap quality was affected by morningness-eveningness preference through the mediation of total nocturnal sleep time. Therefore, future studies should be carefully designed to consider nighttime sleep patterns when analyzing the effects of chronotypes on daytime sleep.
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Affiliation(s)
- Tzu-Yin Lee
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Pi-Chen Chang
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Ing-Jy Tseng
- School of Gerontology Health Management, College of Nursing, Taipei Medical University, Taipei, Taiwan
| | - Min-Huey Chung
- School of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan
- Department of Nursing, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan
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