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. 2018 Apr;4(2):174-181.
doi: 10.1016/j.sleh.2018.01.001. Epub 2018 Feb 21.

Sleep in a large, multi-university sample of college students: sleep problem prevalence, sex differences, and mental health correlates

Stephen P Becker  1 , Matthew A Jarrett  2 , Aaron M Luebbe  3 , Annie A Garner  4 , G Leonard Burns  5 , Michael J Kofler  6
Affiliations

Sleep in a large, multi-university sample of college students: sleep problem prevalence, sex differences, and mental health correlates

Stephen P Becker et al. Sleep Health. 2018 Apr.

Abstract

Objectives: To (1) describe sleep problems in a large, multi-university sample of college students; (2) evaluate sex differences; and (3) examine the unique associations of mental health symptoms (i.e., anxiety, depression, attention-deficit/hyperactivity disorder inattention [ADHD-IN], ADHD hyperactivity-impulsivity [ADHD-HI]) in relation to sleep problems.

Methods: 7,626 students (70% female; 81% White) ages 18-29 years (M=19.14, SD=1.42) from six universities completed measures assessing mental health symptoms and the Pittsburgh Sleep Quality Index (PSQI).

Results: A substantial minority of students endorsed sleep problems across specific sleep components. Specifically, 27% described their sleep quality as poor, 36% reported obtaining less than 7 hours of sleep per night, and 43% reported that it takes >30 minutes to fall asleep at least once per week. 62% of participants met cut-off criteria for poor sleep, though rates differed between females (64%) and males (57%). In structural regression models, both anxiety and depression symptoms were uniquely associated with disruptions in most PSQI sleep component domains. However, anxiety (but not depression) symptoms were uniquely associated with more sleep disturbances and sleep medication use, whereas depression (but not anxiety) symptoms were uniquely associated with increased daytime dysfunction. ADHD-IN symptoms were uniquely associated with poorer sleep quality and increased daytime dysfunction, whereas ADHD-HI symptoms were uniquely associated with more sleep disturbances and less daytime dysfunction. Lastly, ADHD-IN, anxiety, and depression symptoms were each independently associated with poor sleep status.

Conclusions: This study documents a high prevalence of poor sleep among college students, some sex differences, and distinct patterns of mental health symptoms in relation to sleep problems.

Keywords: ADHD; Anxiety; Daytime sleepiness; Depression; PSQI; Sex differences; University students.

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Conflict of interest statement

Disclosure Statement: The authors declare no potential conflicts of interest with respect to the research, authorship, or publication of this article.

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