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Clocks & Sleep
Special Issues
Sleep, Rhythms, and Mental Health
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Sleep, Rhythms, and Mental Health

A special issue of Clocks & Sleep (ISSN 2624-5175). This special issue belongs to the section "Human Basic Research & Neuroimaging".

Deadline for manuscript submissions: closed (31 July 2021) | Viewed by 18535

Special Issue Editors

Dr. Sean W. Cain

E-Mail Website
Guest Editor
Sleep and Circadian Rhythms Program, School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, 18 Innovation Walk, Clayton Campus, Clayton, VIC 3800, Australia
Interests: light sensitivity; depression; circadian rhythm sleep disorders; sex differences; learning & memory; nonphotic clock input; metabolism
Special Issues, Collections and Topics in MDPI journals
Dr. Elise McGlashan

E-Mail Website
Guest Editor
Sleep and Circadian Rhythms Program, School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, 18 Innovation Walk, Clayton Campus, Clayton, VIC 3800, Australia
Interests: light sensitivity; depression; circadian rhythms; chronobiology; mental health; non-visual light responses; psychiatry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Sleep and the circadian clock are increasingly being recognised as critical in the development of psychiatric conditions and mood problems in the general population. Sleep problems are commonly one of the main diagnostic criteria in mental health, and frequently, treating underlying problems with sleep or the circadian clock can be an efficacious treatment for psychiatric symptoms.

Although much work has been done to elucidate the role of sleep and rhythms in mental health problems, these conditions are often highly heterogeneous, and with great advances in the knowledge and technology available to us, there is still more to uncover. With this Special Issue, we invite submissions from all fields within Sleep, Circadian Rhythms, and Mental Health, including clinical and preclinical human work, and insights from animal models. In particular, we encourage submissions which have a focus on clinical translation, which may contribute to the growing field of applied circadian medicine.

Assoc. Prof. Sean W. Cain
Dr. Elise McGlashan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Clocks & Sleep is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Chronobiology
  • Circadian rhythms
  • Clock
  • Mental health
  • Depression
  • Psychiatry
  • Stress
  • Wellbeing
  • Sleep
  • Sleep disturbance

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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14 pages, 1780 KiB  
Article
Are Individuals with Low Trait Anxiety Better Suited to On-Call Work?
by Madeline Sprajcer, Sarah M Jay, Grace E Vincent, Xuan Zhou, Andrew Vakulin, Leon Lack and Sally A Ferguson
Clocks & Sleep 2020, 2(4), 473-486; https://doi.org/10.3390/clockssleep2040035 - 12 Nov 2020
Cited by 2 | Viewed by 2822
Abstract
Research has indicated that individuals with certain traits may be better suited to shiftwork and non-standard working arrangements. However, no research has investigated how individual differences impact on-call outcomes. As such, this study investigated the impact of trait anxiety on sleep and performance [...] Read more.
Research has indicated that individuals with certain traits may be better suited to shiftwork and non-standard working arrangements. However, no research has investigated how individual differences impact on-call outcomes. As such, this study investigated the impact of trait anxiety on sleep and performance outcomes on-call. Seventy male participants (20–35 years) completed an adaptation night, a control night, and two on-call nights in a laboratory. Trait anxiety was determined using the State Trait Anxiety Inventory (STAI) X-2, and participants completed the STAI X-1 prior to bed each night to assess state anxiety. Sleep was measured using polysomnography and quantitative electroencephalographic analysis. Performance was assessed using a 10-min psychomotor vigilance task (PVT) performed each day at 0930, 1200, 1430 and 1700 h. Data pooled from three separate but inter-related studies was used for these analyses. Results indicated that the effects of trait anxiety on state anxiety, sleep and performance outcomes on-call were generally limited. These findings suggest that on-call outcomes are not negatively affected by higher levels of trait anxiety. Full article
(This article belongs to the Special Issue Sleep, Rhythms, and Mental Health)
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20 pages, 537 KiB  
Article
Increased Resilience Weakens the Relationship between Perceived Stress and Anxiety on Sleep Quality: A Moderated Mediation Analysis of Higher Education Students from 7 Countries
by Chen Du, Megan Chong Hueh Zan, Min Jung Cho, Jenifer I. Fenton, Pao Ying Hsiao, Richard Hsiao, Laura Keaver, Chang-Chi Lai, HeeSoon Lee, Mary-Jon Ludy, Wan Shen, Winnie Chee Siew Swee, Jyothi Thrivikraman, Kuo-Wei Tseng, Wei-Chin Tseng and Robin M. Tucker
Clocks & Sleep 2020, 2(3), 334-353; https://doi.org/10.3390/clockssleep2030025 - 11 Aug 2020
Cited by 48 | Viewed by 11793
Abstract
High levels of perceived stress and anxiety among university students are a global concern and are known to negatively influence sleep. However, few studies have explored how stress response styles, like psychological resilience and rumination, might alter these relationships. Using validated tools, perceived [...] Read more.
High levels of perceived stress and anxiety among university students are a global concern and are known to negatively influence sleep. However, few studies have explored how stress response styles, like psychological resilience and rumination, might alter these relationships. Using validated tools, perceived stress, anxiety, stress response styles, and sleep behaviors of undergraduate and graduate students from seven countries during the height of the COVID-19 pandemic were characterized in order to examine the relationships between these factors using mediation and moderation analyses. Students enrolled in universities in China, Ireland, Malaysia, Taiwan, South Korea, the Netherlands, and the United States were recruited in May 2020. A total of 2254 students completed this cross-sectional study. Perceived stress and anxiety were negatively associated with sleep quality through the mediation of rumination. Increased psychological resilience weakened the relationships between perceived stress and anxiety on sleep quality. The majority of students reported that COVID-19 negatively influenced their mental health and sleep quality but not sleep duration. Based on these results, university students would likely benefit from sleep education and mental health promotion programs that include trainings to increase psychological resilience and reduce rumination, particularly during times of increased stress. Full article
(This article belongs to the Special Issue Sleep, Rhythms, and Mental Health)
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Other

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7 pages, 932 KiB  
Brief Report
Consecutive Nights of Moderate Sleep Loss Does Not Affect Mood in Healthy Young Males
by Christiana Harous, Gregory D. Roach, Thomas G. Kontou, Ashley J. Montero, Nicole Stuart and Charli Sargent
Clocks & Sleep 2021, 3(3), 442-448; https://doi.org/10.3390/clockssleep3030031 - 20 Aug 2021
Cited by 3 | Viewed by 3090
Abstract
Sleep loss causes mood disturbance in non-clinical populations under severe conditions, i.e., two days/nights of sleep deprivation or a week of sleep restriction with 4–5 h in bed each night. However, the effects of more-common types of sleep loss on mood disturbance are [...] Read more.
Sleep loss causes mood disturbance in non-clinical populations under severe conditions, i.e., two days/nights of sleep deprivation or a week of sleep restriction with 4–5 h in bed each night. However, the effects of more-common types of sleep loss on mood disturbance are not yet known. Therefore, the aim of this study was to examine mood disturbance in healthy adults over a week with nightly time in bed controlled at 5, 6, 7, 8 or 9 h. Participants (n = 115) spent nine nights in the laboratory and were given either 5, 6, 7, 8 or 9 h in bed over seven consecutive nights. Mood was assessed daily using the Profile of Mood States (POMS-2). Mixed-linear effects models examined the effect of time in bed on total mood disturbance and subscales of anger-hostility, confusion-bewilderment, depression-dejection, fatigue-inertia, tension-anxiety, vigour-activity and friendliness. There was no effect of time in bed on total mood disturbance (F(4, 110.42) = 1.31, p = 0.271) or any of the subscales except fatigue-inertia. Fatigue-inertia was higher in the 5 h compared with the 9 h time in bed condition (p = 0.012, d = 0.75). Consecutive nights of moderate sleep loss (i.e., 5–7 h) does not affect mood but does increase fatigue in healthy males. Full article
(This article belongs to the Special Issue Sleep, Rhythms, and Mental Health)
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