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KMID : 0389520120190020089
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Sleep Medicine.Psychophysiology
2012 Volume.19 No. 2 p.89 ~ p.96
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Eveningness, Sleep Patterns, Daytime Sleepiness and Fatigue in Korean Male Adolescents
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Kang Shi-Hyun
Yoo Han-Ik
Chung Seok-Hoon
Kim Chang-Yoon
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Abstract
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Objectives: Individuals differ in their biological rhythms. This study investigated the association between the morningness-eveningness and sleep patterns, daytime sleepiness and fatigue in Korean male adolescents.
Methods: Participants were 501 eleventh grade male students ( years of age) in one male high school in Seoul. Each student completed the Korean translation of composite scale (KtCS), Epworth sleepiness scale (ESS), Fatigue Severity Scale (FSS) and a questionnaire about their sleep schedule.
Results: The evening group had shorter weekday sleep time than the intermediate (p<0.001) or morning group (p=0.029). The evening group had more daytime napping (16.8%, p<0.001), high rate of caffeine use (58.8%, p<0.001) and snoring (18.5%, p=0.037). The evening group showed more daytime sleepiness (8.7, SD=3.2, p<0.001) and severe fatigue (4.4, SD=1.2, p<0.001) than the intermediate or morning group.
Conclusion: Adolescents with eveningness have higher problems in weekday sleep, daytime sleepiness and fatigue. An intervention program for sleep problem in these adolescents should be considered.
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KEYWORD
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Adolescent, Eveningness, Daytime sleepiness, Fatigue
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