The prevalence of sleep disorders among Iranian older adults: A systematic review and meta-analysis

One of the most important problems that the older adults is sleep disorders, where poor quality sleep claims the third rank of problems of the older adults. This study aims to determine the prevalence of sleep disorders among Iranians older adults through a systematic review and meta-analysis. The present study was conducted through meta-analysis method within the year range of March 2000–July 2018 by searching in ScienceDirect, Medline (PubMed), Barakat and Magiran, SID, and Google Scholar databases. Analysis was conducted in Comprehensive Meta-analysis software. Prevalence of the sleep disorder in the older adults Iranians was obtained as 48.9% (95%CI: 40.4–57.4%). The maximum prevalence of sleep disorder among the older adults in Tehran was observed in 2011 with 88.4% (95%CI: 82.6–92.5%), while the minimum prevalence of sleep disorder in Tehran was observed in 2013 with 22.8% (95%CI: 18.9–27.1%). Based on Meta regression, with the increase in the sample size and the year of the research, prevalence of sleep disorder in the older adults grows, which is statistically significant (p < 0.05). The results of this study suggest that prevalence of sleep disorder in the older adults in Iran is high, which requires serious interventional measures on the part of health policymakers.