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Sleep disorders are collection of symptoms characterized by disruption of amount, quality, or time of sleep. Adolescent are high-risk group for sleep disorders. Sleep disorders among adolescent are affected by various factors such as extracurricular activities, watching television, using computer, using mobile phone and homework could delay sleeping time. This study aimed to find the prevalence and risk factors of sleep disorders among adolescent in Junior High School. It was a cross-sectional study among students in St. Joseph Junior High School, Denpasar aged 12-15 years old in August 2019, by using stratified purposive sampling. Data was collected by using Sleep Disturbance Scale for Children (SDSC) which was filled by parents and children. Chi-square test and logistic regression were used for statistical analysis. This study showed the prevalence of sleep disorders was 47.8%. Disturbance with initiating and maintaining sleep was the most common disorder, 22.8%. Watching television, using computers and playing telephone / gadgets were associated with increased sleep disturbance (p=0.02, PR 3.17, CI 95% 1.17-8.59), (p=0.02, PR 2.64 CI 95% 1.14-6.14), (p=0.02, PR 2.94, CI 95% 1.12-7.7), while extracurricular activities, nap habits, caffeine consumption were not risk factors, (p=0.07, PR 2.3, CI95% 0.94-5.95), (p=0.28, PR 1.57 CI 95% 0.68-3.58), (p=0,78, PR 0.89, CI 95% 0.38-2.03). The prevalence of sleep disorder among adolescent was considerably high. Risk factors of sleep disorder were watching television, using computer, and using mobile phone/gadget.

The Prevalence and Risk Factors of Sleep Disorders Among Adolescent in Junior High School