The Epidemiology of Subjective Sleep Quality in the Citizens of Kermanshah, Iran
Article Type:
Research/Original Article (دارای رتبه معتبر)

Subjective sleep quality plays a pivotal role in health, quality of life, and efficient performance.


The present study aimed to investigate the epidemiology of subjective sleep quality in the citizens of Kermanshah, Iran.


This cross-sectional, descriptive study was conducted on all the citizens of Kermanshah in 2017. In total, 450 subjects were selected via multistage random sampling. Based on the inclusion criteria, 416 were evaluated using a self-report questionnaire of demographic characteristics and Petersburg sleep quality index (PSQI; Baisi et al., 1989).


In 79% of the participants, the mean score of PSQI was above the cutoff point (m = 6.64). The analysis of the questionnaires indicated the highest frequency of sleep disorders to be in the components of subjective sleep quality from the perspective of the respondents, delayed sleep, sleep disorders, and daily functional disorders. In addition, 10.6% of the subjects used very high doses of sedatives, while 10.3% used relatively high doses of these pills. Minimal sleep disorders were reported as well. Poor sleep quality was less common in women, and significant correlations were observed between age and sleep latency, sleep duration, sleep medication use, and daytime dysfunction due to sleepiness.


According to the results, subjective sleep quality was favorable in the citizens of Kermanshah. Considering the significant effects of sleep quality on performance and quality of life, attention must be paid to this aspect of health by healthcare planners and managers.

Journal of Kermanshah University of Medical Sciences, Volume:24 Issue: 2, Jun 2020
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