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Revista Clínica de Medicina de Familia

On-line version ISSN 2386-8201Print version ISSN 1699-695X


GARCIA LOPEZ, Sergio J.  and  NAVARRO BRAVO, Beatriz. Sleep hygiene in university students: knowledge and habits. Literature review. Rev Clin Med Fam [online]. 2017, vol.10, n.3, pp.170-178. ISSN 2386-8201.


To assess the existing evidence on university students' knowledge and implementation of sleep hygiene, and whether any of these aspects is related to sleep quality.


We conducted a literature review using the electronic databases PubMed and Google Scholar. Initially, 62 papers were located, of which 12 remained in our study after a screening performed by two researchers. The inclusion criteria were: healthy university students (male and female) as study subjects, measures of sleep quality and sleep hygiene, and assessment of the relationship between them.


Knowledge of sleep hygiene was not associated with its use (b= 0.04; 95%CI -0.03 to 0.11). However, the use of sleep hygiene was associated with better sleep quality (R2 =0.23; F(1.121)= 36.67; p<0.001). Not all components of sleep hygiene were equally influential on sleep quality. Inappropriate sleep schedules (β=0.27; p<0.001; sr2=0.27) as well as an uncomfortable bedroom environment (β=0.14; p=0.001; sr2=0.13) were related to poorer sleep quality.


The implementation of sleep hygiene, rather than knowledge of it, is related to better sleep quality. The most influential components were maintaining appropriate sleep schedules and a comfortable environment in the bedroom.

Keywords : Sleep Initiation and Maintenance Disorders; Sleep; Sleep Hygiene; Review.

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