The Korean Journal of Health Psychology
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- KOREAN
- P-ISSN1229-070X
- E-ISSN2713-9581
- KCI
The Preliminary Study of Sleep Patterns, Circadian Typology and Depression Level in Korean College Students
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Abstract
Korean college students' sleep patterns (such as bedtime, wake-up time, sleep duration, sleep latency on weekdays and weekends), sleep quality, circadian typology and depression level were examined. Survey was conducted to 916(male: 449, female: 465, no response: 2) college students at universities in Seoul, Incheon and Chuncheon. The average sleep patterns of Korean college students were as follows: On weekdays, their bed time, wake-up time, sleep latency and sleep duration were 1:01 AM, 7:51 AM, 21minutes, 6.47 hours, respectively. On weekends, they went to bed 36 minutes later, woke up 2 hours and 9 minutes later, and slept 1.52 hours longer. There were grade effects in sleep latency and sleep duration of both weekdays and weekends. Freshmen showed the shortest sleep latency and senior the short sleep duration, on weekdays, and freshmen's wake-up time was later and sleep latency was shorter than senior's on weekends. Evening type showed longer sleep latency on both weekdays and weekends, and showed poorer sleep quality and higher depression level. The relations of bedtime and wake-up time of both weekdays and weekends were not significant after adjusting sex and circadian typology. However, the higher level of depression showed longer sleep latencies on both weekdays and weekends, showed shorter sleep durations on weekdays, and poorer sleep quality. The results were discussed in relation to the effects of insufficient sleep on physical/psychological health and adjustments, and also in relation to the ways to improve sleep hygiene concerning sleep patterns and circadian typology, such as minimizing the discrepancy between the biological circadian rhythm and the social/environmental demands on sleep/wake schedules.
- keywords
- sleep patterns of Korean college students, sleep-wake cycle, sleep quality, depression, circadian typology., sleep patterns of Korean college students, sleep-wake cycle, sleep quality, depression, circadian typology., 한국 대학생의 수면양상, 수면-각성주기, 수면의 질, 우울, 일주기성 유형
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