بررسي الگوي خواب و ميزان خواب آلودگي در جمعيت بالاي 15 سال شهر شاهرود

Sleep Pattern and Daytime Sleepiness in Over-15-Year-Old People in Shahroud

Introduction: Regarding the high prevalence of sleep disorders in the general population and noting the effect of sleep disorders on people mental and physical function, this study was performed to assess the pattern of sleep, daytime sleepiness and risk factors in an urban Iranian population in Shahroud. Methods: 400 residents from Shahroud (Northern city in Iran) who were at least 15 years old were randomly selected via a two stage sampling procedure. A 48-item questionnaire was administered to the subjects. 377 questionnaires were returned. Epworth sleepiness scale and a 4-point scale were used for snoring and sleep apnea. Results: The mean age of subjects was 30 years old and females formed the majority of the subjects (62.3%). Based on Epworth sleepiness scale, 41.6% of the subjects had scores higher than 6, and 13.9% of the subjects had severe daytime sleepiness (ESS> 10). The average score of sleepiness was 6.2 with a standard deviation of 3.8. According to clinical signs, 1.6% of the subjects had sleep apnea. 12 %o subjects had less than 6 hours round the clock. The mean and median waking time v\ʹas 7 a.m. and more than 40%o of the subjects slept after the midnight. Conclusion: Results show a high prevalence of sleep disorder among this population and more attention to them is required.