서울시 중고등학교 학생들의 수면 양상과 수면에 대한 인식
Sleep Patterns of Middle & High School Students in Seoul and Their Perceptions of Their Own Sleep
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Abstract
Objectives:To investigate the sleep patterns of Korean adolescents and the subjective perception on their sleep pattern and daytime functioning related to sleep status.Subjects and methods:The questionnaire survey was done in 2007 for students in middle and high schools located in Mokdong region in Seoul.The questionnaire included sleep/wake schedules both on school days and weekends, various questions regarding sleepiness and other sleep complaints, and morningness-eveningness scale. Results:The third year of middle school, the first and second year of high school students were enrolled. A total of 1,252 students (boy: 65.3%) participated in the survey. The average bedtime was 12:46 AM, and 1:13 AM, respectively and the wake up time was 6:24 AM and 8:35 AM, respectively on school days and weekends. Total sleep time was 6.6 ±1.1, 5.89±1.1 and 5.65±0.9 hours on school days for students in the third year of middle school, the first year and the second year of high school, respectively. While 57% of students answered that they have sufficient sleep, only 36.7% of students reported they sleep sufficiently almost always. High school students reported shorter optimal sleep duration than middle school students. One third of students had a problem of daily or school life due to sleepiness. Conclusion: This study showed sleep deprivation on school days and compensating catch-up sleep on weekends in middle & high school students in Seoul.The perception of their sleep seems to be affected not only by current sleep status but also by the school year probably related to academic pressure.
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