Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors

Elizabeth M. Harrison; Alexandra P. Easterling; Emily A. Schmied; Suzanne L. Hurtado; Gena L. Glickman

doi:10.1186/s40779-021-00335-2

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Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors

LETTER TO THE EDITOR | Updated：2023-02-28

- Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors
- Military Medical Research Vol. 9, Issue 2, Pages: 259-261(2022)
- Affiliations：
  
  1.Center for Circadian Biology, University of California San Diego, San Diego, USA
  2.Leidos, Inc., San Diego, USA
  3.Health and Behavioral Sciences Department, Naval Health Research Center, San Diego, USA
  4.School of Public Health, San Diego State University, San Diego, USA
  5.Departments of Psychiatry and Neuroscience, Uniformed Services University of the Health Sciences, Bethesda, USA
- Author bio：
  
  * emharrison@ucsd.edu
- Funds：
- DOI：10.1186/s40779-021-00335-2
  CLC：
- Published：2022-04
- Accepted：
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Harrison et al.: Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors. Mil Med Res, 2021, 8: 43.
DOI：

Harrison et al.: Chronotype and self-reported sleep, alertness, and mental health in U.S. sailors. Mil Med Res, 2021, 8: 43. DOI： 10.1186/s40779-021-00335-2.

摘要

Abstract

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 (

=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 PTSD (

0.01)

less time in bed (

0.05)

more sleep disruption (

0.01)

and poorer daytime functioning and alertness (

0.05). Evening types were less likely to consider sleep important for performance (

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.

关键词

Keywords

references

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Roenneberg T , Kuehnle T , Juda M , Kantermann T , Allebrandt K , Gordijn M , et al . Epidemiology of the human circadian clock . Sleep Med Rev . 2007 ; 11 ( 6 ): 429 - 38 .

Kivelä L , Papadopoulos MR , Antypa N . Chronotype and psychiatric disorders . Curr Sleep Med Rep . 2018 ; 4 ( 2 ): 94 - 103 .

Kessler RC , Heeringa SG , Stein MB , Colpe LJ , Fullerton CS , Hwang I , et al . Thirty-day prevalence of DSM-IV mental disorders among nondeployed soldiers in the US Army: results from the army study to assess risk and resilience in servicemembers (Army STARRS) . JAMA Psychiat . 2014 ; 71 ( 5 ): 504 - 13 .

Adan A , Almirall H . Horne & Östberg morningness-eveningness questionnaire: a reduced scale . Pers Individ Differ . 1991 ; 12 ( 3 ): 241 - 53 .

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