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Introduction: Sleep is an effective factor in the recovery processes. Many variables affect on the sleep quality of hospitalized elderly people. This study was conducted to determine the factors disturbing sleep quality among hospitalized older adult patients in Kashan hospitals. Methods: A cross-sectional study was carried out on a sample of 390 elderly hospitalized patients in Kashan hospitals. The study data was gathered via Pittsburgh Sleep Quality Index (PSQI) Questionnaire. A global total score of 5 or greater indicated a “poor" quality of sleep. The data were analyzed using Chi square, t- test and binary logistic regression at multivariate model. Results: The total quality of sleep was poor in hospitalized elderly patients (7/2±4/8). Sex, marital status, level of education, type of ward, previous hospitalization experience, use of hypnotics at home and hospital, and previous sleep disorders were statistically associated with quality of sleep however, there was not significant relationship between quality of sleep and age, length of hospitalization, and daytime napping. In the final regression model, marital status (OR=4.6), level of education (OR=1.9), length of hospitalization (OR=1.1), Previous hospitalization experience (OR=0.4), use of hypnotics in hospital (OR=0.27) and previous sleep disorder (OR=0.01) were the most important determinants of sleep quality. Conclusion: Quality of sleep was poor in hospitalized elderly due to a wide range of sleep disturbing factors. The most important factors involved marital status, level of education, previous hospitalization experience, previous sleep disorder and use of hypnotics in hospital.

Keywords: Disturbing factors; Hospitalized elderly; Sleep quality

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