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Irregular sleep and event schedules are associated with poorer self-reported well-being in US college students

Fischer, D. and McHill, A.W. and Sano, A. and Picard, R.W. and Barger, L.K. and Czeisler, C. A. and Klerman, E. B. and Phillips, A.J.K. (2020) Irregular sleep and event schedules are associated with poorer self-reported well-being in US college students. Sleep, 43 (6), zsz300. The American Academy of Sleep Medicine. doi: 10.1093/sleep/zsz300. ISSN 0161-8105.

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Abstract

Study Objectives: Sleep regularity, in addition to duration and timing, is predictive of daily variations in well-being. One possible contributor to changes in these sleep dimensions are early morning scheduled events. We applied a composite metric—the Composite Phase Deviation (CPD)—to assess mistiming and irregularity of both sleep and event schedules to examine their relationship with self-reported well-being in US college students. Methods: Daily well-being, actigraphy, and timing of sleep and first scheduled events (academic/exercise/other) were collected for approximately 30 days from 223 US college students (37% females) between 2013 and 2016. Participants rated well-being daily upon awakening on five scales: Sleepy–Alert, Sad–Happy, Sluggish–Energetic, Sick–Healthy, and Stressed–Calm. A longitudinal growth model with time-varying covariates was used to assess relationships between sleep variables (i.e. CPDSleep, sleep duration, and midsleep time) and daily and average well-being. Cluster analysis was used to examine relationships between CPD for sleep vs. event schedules. Results: CPD for sleep was a significant predictor of average well-being (e.g. Stressed–Calm: b = -6.3, p < 0.01), whereas sleep duration was a significant predictor of daily well-being (Stressed–Calm, b = 1.0, p < 0.001). Although cluster analysis revealed no systematic relationship between CPD for sleep vs. event schedules (i.e. more mistimed/irregular events were not associated with more mistimed/irregular sleep), they interacted upon well-being: the poorest well-being was reported by students for whom both sleep and event schedules were mistimed and irregular. Conclusions: Sleep regularity and duration may be risk factors for lower well-being in college students. Stabilizing sleep and/or event schedules may help improve well-being.

Item URL in elib:https://elib.dlr.de/136538/
Document Type:Article
Title:Irregular sleep and event schedules are associated with poorer self-reported well-being in US college students
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Fischer, D.dorothee.fischer (at) dlr.deUNSPECIFIED
McHill, A.W.UNSPECIFIEDUNSPECIFIED
Sano, A.UNSPECIFIEDUNSPECIFIED
Picard, R.W.UNSPECIFIEDUNSPECIFIED
Barger, L.K.UNSPECIFIEDUNSPECIFIED
Czeisler, C. A.UNSPECIFIEDUNSPECIFIED
Klerman, E. B.UNSPECIFIEDUNSPECIFIED
Phillips, A.J.K.UNSPECIFIEDUNSPECIFIED
Date:2020
Journal or Publication Title:Sleep
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:43
DOI :10.1093/sleep/zsz300
Page Range:zsz300
Publisher:The American Academy of Sleep Medicine
ISSN:0161-8105
Status:Published
Keywords:mental health; public health; sleep and stress; stress; intra-individual variability; social jet lag; sleep regularity; mood; well-being
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Human factors and safety in Aeronautics (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Sleep and Human Factors Research
Deposited By: Sender, Alina
Deposited On:08 Oct 2020 11:00
Last Modified:08 Oct 2020 11:00

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