Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors.
Anxiety
Chronotype
Circadian
Depression
Military
Post-traumatic stress disorder (PTSD)
Readiness
Sleep
Journal
Military Medical Research
ISSN: 2054-9369
Titre abrégé: Mil Med Res
Pays: England
ID NLM: 101643181
Informations de publication
Date de publication:
10 08 2021
10 08 2021
Historique:
received:
25
01
2021
accepted:
29
07
2021
entrez:
11
8
2021
pubmed:
12
8
2021
medline:
28
10
2021
Statut:
epublish
Résumé
Service members are at risk for sleep and psychological conditions affecting their readiness. Chronotype ("morningness" or "eveningness") is strongly associated with sleep, health and performance. The objective of this study was to examine associations between validated measures of chronotype and sleep quality, daytime functioning, alertness, and symptoms of depression, anxiety, and post-traumatic stress disorder (PTSD) in US service members (n = 298). Although predominantly young males (who skew toward eveningness in civilian populations), these Sailors skewed toward morningness (35.6% morning, 51.3% intermediate). Eveningness was associated with symptoms of depression and post-traumatic stress disorder (PTSD) (P < 0.01), less time in bed (P < 0.05), more sleep disruption (P < 0.01), and poorer daytime functioning and alertness (P < 0.05). Evening types were less likely to consider sleep important for performance (P < 0.05). To maximize service member readiness, schedules should be aligned with endogenous rhythms, whenever possible, and evening chronotypes may benefit from targeted interventions. Chronotype should be examined alongside health and readiness in service members.
Identifiants
pubmed: 34376248
doi: 10.1186/s40779-021-00335-2
pii: 10.1186/s40779-021-00335-2
pmc: PMC8353852
doi:
Types de publication
Letter
Langues
eng
Sous-ensembles de citation
IM
Pagination
43Informations de copyright
© 2021. The Author(s).
Références
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