title: Sleep habits, excessive daytime sleepiness and school performance in high school students.
abstract: A questionnaire survey was carried out to examine the sleep habits and excessive daytime sleepiness (EDS) of 3871 high school students with a mean age of 16.8 years in Korea. The results showed that mean total sleep time was 6.3 h/day for male students and 6.5 h/day for female students, which may be insufficient for adolescence during puberty. The overall prevalence of EDS (defined as an Epworth sleepiness scale score of >10) was 15.9% (14.9% for boys and 18.2% for girls). The prevalence of EDS increased significantly (P < 0.001) with a decline in school performance.
authors.affiliation: Department of Respiratory Internal Medicine, Pulmonary Sleep Disorder Center, Ansan Hospital, Korea University Medical Center, Gyeonggi-Do, Seoul, Korea.
authors.forename: Chol
authors.initials: C
authors.lastname: Shin
authors.forename: Jinkwan
authors.initials: J
authors.lastname: Kim
authors.forename: Sangduck
authors.initials: S
authors.lastname: Lee
authors.forename: Yongkyu
authors.initials: Y
authors.lastname: Ahn
authors.forename: Soonjae
authors.initials: S
authors.lastname: Joo
mesh_terms: D000293:Adolescent; D003625:Data Collection; D005260:Female; D006184:Habits; D006801:Humans; D007723:Korea; D008297:Male; D012574:Schools; D012890:Sleep / Q000502:physiology*; D012893:Sleep Wake Disorders / Q000453:epidemiology / Q000523:psychology*; D011795:Surveys and Questionnaires