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Patterson E, Tan HTT, Groeger D, Andrews M, Buckley M, Murphy EF, Groeger JA. Bifidobacterium longum 1714 improves sleep quality and aspects of well-being in healthy adults: a randomized, double-blind, placebo-controlled clinical trial. Sci Rep 2024; 14:3725. [PMID: 38355674 PMCID: PMC10866977 DOI: 10.1038/s41598-024-53810-w] [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: 04/29/2023] [Accepted: 02/05/2024] [Indexed: 02/16/2024] Open
Abstract
Stress and sleep are linked with overall well-being. Bifidobacterium longum 1714 has been shown to influence stress responses and modulate neural responses during social stress, and influence sleep quality during examination stress in healthy adults. Here, we explored the ability of this strain to alter sleep quality in adults using subjective and objective measures. Eighty-nine adults (18-45y) with impaired sleep quality assessed with the Pittsburgh Sleep Quality Index (PSQI) and with a global score ≥ 5 were randomized to receive B. longum 1714 or placebo daily for eight weeks. Assessing the effect of the strain on PSQI global score was the primary objective. Secondary objectives assessed sleep quality and well-being subjectively and sleep parameters using actigraphy objectively. While PSQI global score improved in both groups, B. longum 1714 significantly improved the PSQI component of sleep quality (p < 0.05) and daytime dysfunction due to sleepiness (p < 0.05) after 4 weeks and social functioning (p < 0.05) and energy/vitality (p < 0.05) after 8 weeks, compared to placebo. No significant effect on actigraphy measures were observed. The 1714 strain had a mild effect on sleep, demonstrated by a faster improvement in sleep quality at week 4 compared to placebo, although overall improvements after 8 weeks were similar in both groups. B. longum 1714 improved social functioning and increased energy/vitality in line with previous work that showed the strain modulated neural activity which correlated with enhanced vitality/reduced mental fatigue (ClinicalTrials.gov: NCT04167475).
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Affiliation(s)
| | | | | | - Mark Andrews
- Nottingham Trent University, Nottingham, NG1 4FQ, UK
| | - Martin Buckley
- Mercy University Hospital, University College Cork, Cork, Ireland
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He QY, Dai N, Mao M, Ma J, Wen Q, Song DD, Liu Y, Li F. Insomnia and circadian rhythm: a bibliometrics study and visualization analysis via CiteSpace. Front Neurol 2023; 14:1184302. [PMID: 37396774 PMCID: PMC10308182 DOI: 10.3389/fneur.2023.1184302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 05/02/2023] [Indexed: 07/04/2023] Open
Abstract
Objective The present study aimed to use CiteSpace to analyze the status of insomnia and circadian rhythm, identify the hot spots and trends, and provide a basis for future study. Method The Web of Science database was searched for studies related to insomnia and circadian from its inception to 14 April 2023. CiteSpace was used to generate online maps of collaboration between countries and authors and revealed hot spots and frontiers in insomnia and circadian rhythm. Results We searched 4,696 publications related to insomnia and circadian rhythm. Bruno Etain was the most prolific author with most publications, i.e., with 24 articles. The USA and the University of California were the leading country and the top institution in this field of study, with 1,672 and 269 articles, respectively. There was active cooperation between institutions, countries, and authors. Hot topics focused on circadian rhythm sleep disorders, circadian clock, light therapy, melatonin, and bipolar disorder. Conclusion Based on the CiteSpace results, we recommend a more active collaboration between various countries, institutions, and authors to conduct clinical and basic research related to insomnia and circadian rhythm. Ongoing research focuses on the interaction of insomnia with circadian rhythms and the corresponding pathways of clock genes and by extension, the role of circadian rhythms in disorders such as bipolar disorder. Modulation of circadian rhythms may be a hot spot for future insomnia therapies (such as light therapy and melatonin).
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Affiliation(s)
- Qing-Yun He
- Department of Diagnosis of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ning Dai
- Research Institutes, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Meng Mao
- Department of Ethnic Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jie Ma
- Department of Diagnosis of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qiao Wen
- Department of Brain Diseases, Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Dan-Dan Song
- Department of Diagnosis of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Liu
- Scientific Research Center, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Feng Li
- Department of Diagnosis of Traditional Chinese Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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Kayaba M, Ishitsuka M, Ishidate M, Ueno K, Kajihara Y, Sasai-Sakuma T. Delayed sleep-wake rhythm due to staying at home during the COVID-19 pandemic and sleep debt after returning to campus among Japanese nursing university students: A longitudinal study. Heliyon 2023; 9:e14994. [PMID: 37012906 PMCID: PMC10060798 DOI: 10.1016/j.heliyon.2023.e14994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 03/13/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023] Open
Abstract
This study aimed to investigate sleep problems during staying at home due to the coronavirus disease 2019 (COVID-19) pandemic and after returning to campus among university nursing students. We analyzed data from self-reported sleep surveys conducted during a nursing course at a university in Tokyo between 2019 and 2021. During staying at home due to COVID-19, we observed delayed sleep-wake rhythm, prolonged sleep duration on weekdays, a decreased sleep debt, improved daytime sleepiness, and worsened insomnia, especially in terms of difficulty initiating sleep (Study 1; 18 paired data). After returning to campus, we found advanced wake-up time, shortened sleep duration, increased sleep debt, worsened insomnia, and increased daytime sleepiness (Study 2; 91 paired data). The association between advanced midpoint of sleep and commute time over an hour (aOR, 3.29; 95%CI: 1.24-8.72) was confirmed. Furthermore, sleep paralysis and nightmares were more prevalent among nursing students with an advanced midpoint of sleep, whereas nursing students whose midpoint of sleep was delayed had higher daytime sleepiness after returning to campus. To maintain regular sleep-wake rhythms and sufficient sleep duration, the educational environment surrounding nursing university students (e.g., curriculum, class schedule, style of class) should be established considering their age-dependent biological rhythm in addition to sleep hygiene education for students.
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Affiliation(s)
- Momoko Kayaba
- Department of Somnology, Tokyo Medical University, Tokyo, Japan
- Japan Somnology Center, Institute of Neuropsychiatry, Tokyo, Japan
- Corresponding author. Department of Somnology, Tokyo Medical University, Tokyo, Japan.
| | - Mami Ishitsuka
- Public Health Nursing, Faculty of Nursing Sciences and Nutrition, Shukutoku University, Chiba, Japan
| | - Miyako Ishidate
- Department of Nursing, Faculty of Medical Technology, Teikyo University, Tokyo, Japan
| | - Kimiko Ueno
- Graduate School of Nursing Science, Teikyo Heisei University, Tokyo, Japan
| | - Yoko Kajihara
- Department of Nursing, Faculty of Medical Technology, Teikyo University, Tokyo, Japan
| | - Taeko Sasai-Sakuma
- Department of Clinical Laboratory Science, Faculty of Medical Technology, Teikyo University, Tokyo, Japan
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4
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Adachi M, Nagaura Y, Eto H, Kondo H, Kato C. The impact of sleep–wake problems on health-related quality of life among Japanese nursing college students: a cross sectional survey. Health Qual Life Outcomes 2022; 20:150. [PMID: 36357879 PMCID: PMC9648011 DOI: 10.1186/s12955-022-02063-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 10/22/2022] [Indexed: 11/11/2022] Open
Abstract
Aim This study was conducted to examine the impact of sleep–wake problems on health-related quality of life of Japanese nursing college students. Methods This cross-sectional study was conducted in 2019 on 150 third and fourth-year nursing college students from two locations in Japan. Insomnia severity was assessed using the Insomnia Severity Index (ISI) and health-related quality of life using the SF-8 questionnaire. The total sleep time (TST) was divided into 3 groups: < 6 h, 6–7 h (reference), and ≥ 7 h. The total ISI score was divided into 2 groups: ≥ 8 points and < 8 points (reference). Logistic regression analysis was performed to evaluate sleep–wake problems related to decline in mental health. Results The median mental health indicated in the SF-8 questionnaire was divided into two groups, and the factors causing decline in mental health were investigated. The odds ratios (95% confidence interval) for adjusted ISI ≥ 8 and TST on weekdays < 6 h was 6.51 (2.96–14.30) and 3.38 (1.40–8.17), respectively. Mental health status was significantly lower when ISI ≥ 8 and even lower when TST < 6 h. Conclusion Insomnia and short sleep duration are associated with decreased mental health status in nursing college students. Many tended to lack sleep on weekdays. Sleep–wake problems identified while in university should be comprehensively dealt with.
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Vermeylen S, Honinx E, Broes S, Vandenhoudt H, De Witte NAJ. Evaluation of a tactile breath pacer for sleep problems: A mixed method pilot study. Front Digit Health 2022; 4:908159. [PMID: 36274653 PMCID: PMC9581241 DOI: 10.3389/fdgth.2022.908159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 09/12/2022] [Indexed: 11/07/2022] Open
Abstract
Sleep problems, like insomnia, are a prevalent condition associated with major health risks. Prevention and treatment of sleep problems are thus essential to preserve physical and mental health. Previous work supports the effectiveness of breathing guidance for sleep problems and recommends breathing exercises as an effective intervention for insomnia. While new technologies can support breathing guidance, such novel devices should be assessed for effectiveness and usability to facilitate implementation and continued use. The current pilot study investigates the acceptability and usability of a mobile tactile breathing device and explores its potential impact on subjective sleep quality. In this mixed-method pilot study, 39 participants tested the breathing device for one month in naturalistic circumstances. We collected their experiences, subjective sleep quality, and feedback regarding the usability of the device and the accompanying app through a survey in a pre-post design. The results show that the breathing device is an acceptable solution for sleep problems and participants particularly appreciate the standalone function and design. Nevertheless, important points of attention, such as the size of the device, were also identified. Explorative analyses suggest that subjective sleep quality improved after using the device and accompanying app. The current study supports the usability and acceptability of a tactile breath pacer and provides preliminary evidence supporting a positive impact of the technology on the sleep quality of participants. Recommendations for developers of breathing technologies and eHealth are devised based on the findings.
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Affiliation(s)
- Sascha Vermeylen
- LiCalab, Thomas More University of Applied Sciences, Geel, Belgium
| | | | | | | | - Nele A. J. De Witte
- LiCalab, Thomas More University of Applied Sciences, Geel, Belgium,Correspondence: Nele A. J. De Witte
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Ota T, Tan C, Ishii A, Shiotani H. Do differences in chronotypes affect sleep and health-related quality of life of nursing students? A cross-sectional study. Chronobiol Int 2022; 39:1435-1443. [PMID: 36043479 DOI: 10.1080/07420528.2022.2117049] [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: 11/03/2022]
Abstract
Nursing students experience higher levels of stress and more sleep-related problems than other students; however, the relationship of chronotype to nursing students' sleep status and health-related quality of life (HRQOL) is unclear. This cross-sectional, observational study investigated whether chronotype affected Japanese nursing college students' sleep and HRQOL. Nursing students completed the Attribute Questionnaire about Subject Background, Japanese Version Morningness‒Eveningness Questionnaire (MEQ), Munich Chrono-Type Questionnaire‒Japanese Version (MCTQ), Japanese Version of the Pittsburgh Sleep Quality Index (PSQI), SF-12v2 Standard, Japanese Version 2.0 (SF-12), Japanese Translation of Profile of Mood States 2nd Edition‒Adult Short (POMS2). Of the 241 students (mean age 20.16 ± 1.80 years; 80.9% female), 80 (33.2%) had evening, 142 (58.9%) had intermediate, and 19 (7.9%) had morning chronotype. The overall total PSQI score was 6.86 ± 2.97. Additionally, 141 students (64.1%) scored ≥ 6, suggesting disturbed sleep. Approximately 80% of the evening chronotype students had a total PSQI score of 8.34 ± 3.11, clearly indicating disturbed sleep. Sleep-related parameters (total PSQI score, bedtime, sleep latency, wake-up time, sleep duration, social jetlag) were worse in evening than in other chronotypes. SF-12 and POMS2 did not differ among chronotypes. Thus, evening chronotype nursing students require sleep-related support from early on.
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Affiliation(s)
- Tomomi Ota
- Graduate School of Health Sciences, Nursing, Kobe University, Kobe, Japan
| | - Chieko Tan
- School of Health Sciences, Nursing, Kobe Tokiwa University, Kobe, Japan
| | - Atsue Ishii
- Graduate School of Health Sciences, Nursing, Kobe University, Kobe, Japan
| | - Hideyuki Shiotani
- School of Health Sciences, Nursing, Kobe Tokiwa University, Kobe, Japan
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Sazawa K, Kawada S, Ogawa Y. Effects of nighttime lavender aromatherapy on mood and physiological indices of stress in healthy young females. J Phys Ther Sci 2022; 34:503-508. [PMID: 35784602 PMCID: PMC9246409 DOI: 10.1589/jpts.34.503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/27/2022] [Indexed: 12/03/2022] Open
Abstract
[Purpose] Inhalational aromatherapy using lavender essential oil or essence is known to
alleviate pain and anxiety during rehabilitation. However, the effects remain unclear in
individuals who are unaware of their pain and anxiety. In this study, we investigated the
effects of lavender aromatherapy during sleep in females who did not experience pain or
anxiety. [Participants and Methods] The study included 24 healthy females who were
randomly allocated to control and aromatherapy groups. The control group used skin patches
without aroma, and the aromatherapy group used lavender aroma-infused skin patches for
seven consecutive nights. Psychological and physiological indices were measured before,
during, and after the intervention. [Results] The lavender aroma-infused skin patches
ameliorated a negative mood associated with fatigue and anxiety. However, neither group
showed a change in pulse rate and salivary cortisol concentration upon waking.
Furthermore, no significant intergroup difference was observed in sleep quality.
[Conclusion] Lavender aromatherapy during sleep improved a negative mood associated with
fatigue and anxiety in females who did not experience pain and anxiety; however,
physiological indices remained unaffected.
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Affiliation(s)
- Kanako Sazawa
- Department of Sport and Medical Science, Faculty of Medical Technology, Teikyo University: 359 Otsuka, Hachioji-shi, Tokyo 192-0395, Japan
| | - Shigeo Kawada
- Department of Sport and Medical Science, Faculty of Medical Technology, Teikyo University: 359 Otsuka, Hachioji-shi, Tokyo 192-0395, Japan
| | - Yoshiko Ogawa
- Department of Sport and Medical Science, Faculty of Medical Technology, Teikyo University: 359 Otsuka, Hachioji-shi, Tokyo 192-0395, Japan
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8
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Landry I, Hall N, Aluri J, Filippov G, Setnik B, Dayal S, Reyderman L, Moline M. Effect of alcohol coadministration on the pharmacodynamics, pharmacokinetics, and safety of lemborexant: A randomized, placebo-controlled crossover study. J Psychopharmacol 2022; 36:745-755. [PMID: 35634694 PMCID: PMC9150140 DOI: 10.1177/02698811221080459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Lemborexant is a dual orexin receptor antagonist approved to treat insomnia in adults in several countries including the USA, Canada, and Japan. AIMS This study was conducted to investigate effects of lemborexant and alcohol coadministration on postural stability, cognitive performance, and the pharmacokinetics, safety, and tolerability of lemborexant. METHODS This was a Phase 1, double-blind, placebo-controlled, four-period crossover study in 32 healthy adults. Individuals were randomized into one of four treatment sequences to receive single doses of placebo, lemborexant 10 mg (LEM10), alcohol (males, 0.7 g/kg; females, 0.6 g/kg), and LEM10 plus alcohol, each separated by a 14-day washout. Postural stability (body sway) was measured by ataxiameter and a cognitive performance assessment battery evaluated four domains of attention and memory. RESULTS Pharmacodynamic outcomes were analyzed for the 18 participants who completed all four treatments. Change from baseline in body sway showed no significant differences between lemborexant plus alcohol versus alcohol alone. Compared with alcohol alone, coadministration of lemborexant with alcohol showed additive negative effects on cognitive performance domains, corresponding approximately with peak plasma lemborexant concentrations (median = 1.5 h). Cognitive performance was also impaired with lemborexant alone at 0.5 and 2 h in this experimental paradigm with morning dosing. Alcohol increased plasma lemborexant exposure by 70% based on area under the curve to 72 h, and increased peak plasma lemborexant concentrations by 35%. The most commonly reported treatment-emergent adverse event was somnolence. CONCLUSION Coadministration of lemborexant with alcohol showed additive negative effects on cognitive measures, but not on postural stability, compared with alcohol alone. Lemborexant exposure was increased with alcohol. Lemborexant alone or with alcohol was well tolerated. Patients are advised not to consume alcohol with lemborexant.
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Affiliation(s)
| | | | | | | | - Beatrice Setnik
- Syneos Health, Raleigh, NC, USA,Department of Toxicology & Pharmacology, University of Toronto, Toronto, ON, Canada
| | | | | | - Margaret Moline
- Eisai Inc., Nutley, NJ, USA,Margaret Moline, Clinical Research, Eisai Inc., 200 Metro Blvd, Nutley, NJ 07110, USA.
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9
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Carreon SA, Cao VT, Anderson BJ, Thompson DI, Marrero DG, Hilliard ME. 'I don't sleep through the night': Qualitative study of sleep in type 1 diabetes. Diabet Med 2022; 39:e14763. [PMID: 34875120 DOI: 10.1111/dme.14763] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 12/03/2021] [Indexed: 11/28/2022]
Abstract
AIMS Individuals with type 1 diabetes (T1D) experience greater sleep disturbances than people without diabetes. However, the nature, causes and effects of sleep disruption in individuals with T1D and their family are not well understood. The purpose of this study was to explore and characterise the perspectives of parents, partners and individuals with diabetes about T1D-related sleep issues. METHODS Participants included 44 youth and adults with T1D (ages 9-69), 24 parents of youth with T1D, and 14 partners of adults with T1D, recruited from diabetes clinics at two academic medical centres in the Southwestern and Midwestern United States. Semi-structured qualitative interviews were transcribed verbatim, coded and analysed using hybrid thematic analysis. RESULTS We identified two central themes: Emotional Distress and Sleep Disruption. Each theme had multiple subthemes, and the two central themes were related to one another via a shared subtheme, Worry Impacting Sleep. CONCLUSIONS Complex T1D-related emotional and behavioural factors both contributed to and resulted from sleep difficulties. Diabetes care providers should routinely assess for sleep concerns in people with T1D and their parents and partners. It may be important to consider both diabetes-related causes of sleep disruptions and potential impacts on self management and emotional functioning.
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Affiliation(s)
- Samantha A Carreon
- Baylor College of Medicine & Texas Children's Hospital, Houston, Texas, USA
| | - Viena T Cao
- Baylor College of Medicine & Texas Children's Hospital, Houston, Texas, USA
| | - Barbara J Anderson
- Baylor College of Medicine & Texas Children's Hospital, Houston, Texas, USA
| | - Deborah I Thompson
- Baylor College of Medicine & Texas Children's Hospital, Houston, Texas, USA
- USDA/ARS Children's Nutrition Research Center, Houston, Texas, USA
| | | | - Marisa E Hilliard
- Baylor College of Medicine & Texas Children's Hospital, Houston, Texas, USA
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Otsuki R, Matsui K, Yoshiike T, Nagao K, Utsumi T, Tsuru A, Ayabe N, Hazumi M, Fukumizu M, Kuriyama K. Decrease in Social Zeitgebers Is Associated With Worsened Delayed Sleep-Wake Phase Disorder: Findings During the Pandemic in Japan. Front Psychiatry 2022; 13:898600. [PMID: 35757225 PMCID: PMC9222896 DOI: 10.3389/fpsyt.2022.898600] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/17/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Delay in sleep-wake rhythms was observed in the general population during the coronavirus disease 2019 (COVID-19) pandemic. Patients with delayed sleep-wake phase disorder (DSWPD) may have also experienced exacerbation of symptoms, but no studies have investigated this topic. In this study, we aimed to retrospectively examine the changes in symptoms of outpatients with DSWPD both before and during the pandemic and to identify the factors associated with the exacerbation of sleep-wake rhythms. METHODS We included outpatients with DSWPD aged 16 years or older who visited the outpatient clinic due to sleep disorders between January and September 2020. Decreased social zeitgebers was defined as a reduction of 50% or more in the frequency of commuting to school or work during the COVID-19 pandemic. The severity of DSWPD was assessed using the clinical global impressions - severity of illness (CGI-S) at two points: before and during the pandemic. We defined the worsened, unchanged, and improved groups as those whose CGI-S scores worsened by at least one point, remained unchanged, and improved by at least one point, respectively. Multivariate logistic regression analysis was performed to determine the factors associated with worsened DSWPD symptoms. RESULTS Sixty patients with DSWPD were eligible for this study. Even before the pandemic, patients who were unemployed or did not attend school tended to show more severe DSWPD symptoms. During the pandemic, 27 patients belonged to the worsened group; 28 patients, unchanged group; and 5 patients, improved group. Decreased social zeitgebers (odds ratio [OR] = 6.668, 95% confidence interval [CI]: 1.653-26.891, p < 0.05) and comorbid mood disorders (OR = 8.876, 95% CI: 1.714-45.974, p < 0.05) showed independent significant associations with the worsening of DSWPD symptoms. CONCLUSIONS During the pandemic, the symptoms of DSWPD tended to worsen. The obtained findings emphasize the importance of social zeitgebers, suggesting the need for external motivation in DSWPD treatment.
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Affiliation(s)
- Rei Otsuki
- Department of Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.,Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Department of Psychiatry, Nihon University School of Medicine, Tokyo, Japan
| | - Kentaro Matsui
- Department of Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.,Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan
| | - Takuya Yoshiike
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan
| | - Kentaro Nagao
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Department of Psychiatry, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Tomohiro Utsumi
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Department of Psychiatry, The Jikei University School of Medicine, Tokyo, Japan
| | - Ayumi Tsuru
- Department of Laboratory Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan.,Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan
| | - Naoko Ayabe
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Department of Regional Studies and Humanities, Faculty of Education and Human Studies, Akita University, Akita, Japan
| | - Megumi Hazumi
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Department of Public Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Michio Fukumizu
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan.,Segawa Memorial Neurological Clinic for Children, Tokyo, Japan
| | - Kenichi Kuriyama
- Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology & Psychiatry, Tokyo, Japan
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11
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Current Management of Residual Excessive Daytime Sleepiness Due to Obstructive Sleep Apnea: Insights for Optimizing Patient Outcomes. Neurol Ther 2021; 10:651-672. [PMID: 34658002 PMCID: PMC8520824 DOI: 10.1007/s40120-021-00289-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/01/2021] [Indexed: 02/04/2023] Open
Abstract
Although excessive daytime sleepiness (EDS) attributable to obstructive sleep apnea (OSA) can be resolved by consistent usage of and effective treatment (often with the use of continuous positive airway pressure therapy), 12–58% of patients report residual EDS (REDS). While REDS is difficult to treat, a proportion of cases are possibly due to reversible issues, and wake-promoting medications can prove useful for the remaining cases. Given the challenges associated with effective management of REDS and its relationship to multiple comorbidities, multidisciplinary management of patients with REDS is often recommended. Here we aim to bridge the knowledge gap on the burden, risk factors, prevalence, and potential pathophysiologic mechanisms of REDS in patients with OSA after first-line treatment. The roles of primary care physicians and sleep specialists, as well as the importance of the use of objective assessment tools for the evaluation of REDS and the effective management of comorbidities, are discussed. An update of approved treatments and emerging candidate treatments is also presented.
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12
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Zou Y, He MJ, Su DT, Huang LC, Fang YQ, Zhang RH. The Current Status of Insufficient Sleep Duration and Its Influencing Factors Among Children and Adolescents: A Household Based Cross-Sectional Study in Zhejiang Province, China. J Pediatr Nurs 2021; 60:e1-e5. [PMID: 33741220 DOI: 10.1016/j.pedn.2021.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE Insufficient sleep duration is common among children and adolescents worldwide, and the decline of sleep duration during the recent years is troubling. This study aimed to learn the status of insufficient sleep duration and to explore its influencing factors among children and adolescents in Zhejiang Province, China. DESIGN AND METHODS A stratified sampling technique was employed in the present cross-sectional study. Demographic characteristics, sports time as well as sedentary behavior were investigated. RESULTS A greater proportion of children than adolescents reported insufficient sleep duration (36.4% versus 19.2%, p = 0.001). For children, insufficient sleep duration was associated with age (OR = 1.290, 95%CI: 1.069-1.557), watching movies or TV shows with smartphones after school (OR = 3.098, 95%CI: 1.293-7.420), surf the internet after school (OR = 0.113, 95%CI: 0.013-0.969), walk to school (OR = 0.289, 95%CI: 0.105-0.793). For adolescents, insufficient sleep duration was associated with watch TV after school (OR = 0.379, 95%CI: 0.148-0.970), watching movies or TV shows with smartphones after school (OR = 4.744, 95%CI: 1.799-12.507), do homework after school (OR = 0.265, 95%CI: 0.086-0.813). CONCLUSIONS An unhealthy sedentary screen lifestyle profile may have influence on insufficient sleep duration. Urgent actions are needed to improve sleep duration among children and adolescents.
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Affiliation(s)
- Yan Zou
- Zhejiang Provincial Center for Disease Control and Prevention, China
| | - Meng-Jie He
- Zhejiang Provincial Center for Disease Control and Prevention, China
| | - Dan-Ting Su
- Zhejiang Provincial Center for Disease Control and Prevention, China
| | - Li-Chun Huang
- Zhejiang Provincial Center for Disease Control and Prevention, China
| | - Yue-Qiang Fang
- Zhejiang Provincial Center for Disease Control and Prevention, China
| | - Rong-Hua Zhang
- Zhejiang Provincial Center for Disease Control and Prevention, China.
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Dai W, Zhou J, Li G, Zhang B, Ma N. Maintaining normal sleep patterns, lifestyles and emotion during the COVID-19 pandemic: The stabilizing effect of daytime napping. J Sleep Res 2021; 30:e13259. [PMID: 33417262 PMCID: PMC7883134 DOI: 10.1111/jsr.13259] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 01/15/2023]
Abstract
This study aimed to assess changes in sleep pattern and their influence on people's daily life and emotion during the COVID-19 pandemic. Self-developed questionnaires were used to measure changes in nocturnal sleep, daytime napping, lifestyles and negative emotions in individuals before and after the COVID-19 pandemic. Nine hundred and thirty effective questionnaires were collected in this study. Repeated measures analysis of variance and hierarchical regression analysis were applied. We found that individuals' sleep rhythms were delayed, and sleep duration and sleep latency were increased during the stay-at-home orders. Meanwhile, their exercise levels and learning/working efficiency were decreased, and electronic device use time, annoyance levels and anxiety levels were increased. Delayed sleep patterns affected lifestyles and emotions. Moreover, sleep quality positively predicted learning/working efficiency and exercise levels, and negatively predicted use of electronic devices and negative emotions. Sleep patterns became delayed on weekdays during stay-at-home orders in all four daytime napping groups (no daytime napping, daytime napping as before, more daytime napping and less daytime napping), and the group taking daytime naps as before had a minimal variation, and their lifestyles and emotions were significantly better than those of the other groups. This study demonstrated that under the influence of stress caused by the pandemic, maintaining regular daytime napping was an effective way to stabilize sleep patterns and biological rhythms, keep good lifestyles and alleviate the effect of acute psychological stress, and to prevent and control mental disorders during the pandemic.
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Affiliation(s)
- Wenjuan Dai
- Key Laboratory of Brain, Cognition and Education SciencesMinistry of EducationGuangzhouChina
- Center for Sleep ResearchCenter for Studies of Psychological ApplicationGuangdong Key Laboratory of Mental Health and Cognitive ScienceSchool of PsychologySouth China Normal UniversityGuangzhouChina
| | - Jieying Zhou
- Key Laboratory of Brain, Cognition and Education SciencesMinistry of EducationGuangzhouChina
- Center for Sleep ResearchCenter for Studies of Psychological ApplicationGuangdong Key Laboratory of Mental Health and Cognitive ScienceSchool of PsychologySouth China Normal UniversityGuangzhouChina
| | - Guangming Li
- Key Laboratory of Brain, Cognition and Education SciencesMinistry of EducationGuangzhouChina
- Center for Sleep ResearchCenter for Studies of Psychological ApplicationGuangdong Key Laboratory of Mental Health and Cognitive ScienceSchool of PsychologySouth China Normal UniversityGuangzhouChina
| | - Bin Zhang
- Department of PsychiatryNanfang HospitalSouthern Medical UniversityGuangzhouChina
- Guangdong‐Hong Kong‐Macao Greater Bay Area Center for Brain Science and Brain‐Inspired IntelligenceGuangzhouChina
| | - Ning Ma
- Key Laboratory of Brain, Cognition and Education SciencesMinistry of EducationGuangzhouChina
- Center for Sleep ResearchCenter for Studies of Psychological ApplicationGuangdong Key Laboratory of Mental Health and Cognitive ScienceSchool of PsychologySouth China Normal UniversityGuangzhouChina
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14
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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: 5] [Impact Index Per Article: 1.7] [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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