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. 2016 Feb 22;11(2):e0149643.
doi: 10.1371/journal.pone.0149643. eCollection 2016.

Insomnia and Relationship with Anxiety in University Students: A Cross-Sectional Designed Study

Nour Choueiry  1 , Tracy Salamoun  1 , Hicham Jabbour  2   3 , Nada El Osta  4   5 , Aline Hajj  1   6 , Lydia Rabbaa Khabbaz  1   6
Affiliations

Insomnia and Relationship with Anxiety in University Students: A Cross-Sectional Designed Study

Nour Choueiry et al. PLoS One. .

Abstract

Purpose: Sleep disorders (SDs) are now recognized as a public health concern with considerable psychiatric and societal consequences specifically on the academic life of students. The aims of this study were to assess SDs in a group of university students in Lebanon and to examine the relationship between SDs and anxiety.

Methods: An observational cross-sectional study was conducted at Saint-Joseph University, Lebanon, during the academic year 2013-2014. Four questionnaires were face-to-face administered to 462 students after obtaining their written consent: Insomnia Severity Index (ISI), Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS), and Generalized Anxiety Disorder 7-item scale (GAD-7).

Results: The prevalence of clinically significant insomnia was 10.6% (95% CI: 7.8-13.4%), more frequent in first year students. ISI mean score was 10.06 (SD = 3.76). 37.1% of the participants were poor sleepers. Excessive daytime sleepiness (EDS) and poor sleep were significantly more frequent among participants with clinical insomnia (p = 0.031 and 0.001 respectively). Clinically significant anxiety was more frequent in students suffering from clinical insomnia (p = 0.006) and in poor sleepers (p = 0.003). 50.8% of the participants with clinically significant anxiety presented EDS versus 30.9% of those with no clinically significant anxiety (p<0.0001).

Conclusions: The magnitude of SDs in this sample of Lebanese university students demonstrate the importance of examining sleep health in this population. Moreover, the link between SD and anxiety reminds us of the importance of treating anxiety as soon as detected and not simply targeting the reduction of sleep problems.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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MeSH terms