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/ | |||||||||||||||||||||||||||
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Document Type: | Article | |||||||||||||||||||||||||||
Title: | Irregular sleep and event schedules are associated with poorer self-reported well-being in US college students | |||||||||||||||||||||||||||
Authors: |
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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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