Sleep duration and its association with sleepiness and depression in “ ronin - sei ” preparatory school students

Abstract Purposes The Japanese word “ ronin - sei ” refers to a student who has failed their university entrance examination and is preparing to re-take the examination in the following year. We aimed to determine how sleep duration is associated with daytime sleepiness or depression in ronin-sei be...

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Bibliographic Details
Published in:Asian journal of psychiatry 2014-06, Vol.9, p.61-66
Main Authors: Matsushita, Masateru, Koyama, Asuka, Ushijima, Hirokage, Mikami, Akira, Katsumata, Yotaro, Kikuchi, Yoko, Ichimi, Naoko, Jono, Tadashi, Fujise, Noboru, Ikeda, Manabu
Format: Article
Language:English
Subjects:
Adolescence
Adolescent
Cross-Sectional Studies
Depression - diagnosis
Depression - psychology
Fatigue - diagnosis
Fatigue - psychology
Female
Humans
Internal Medicine
Male
Mental Health
Preparatory school
Psychiatry
Sleep - physiology
Sleep Deprivation - diagnosis
Sleep Deprivation - psychology
Sleep hygiene
Students
Surveys and Questionnaires
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Summary:Abstract Purposes The Japanese word “ ronin - sei ” refers to a student who has failed their university entrance examination and is preparing to re-take the examination in the following year. We aimed to determine how sleep duration is associated with daytime sleepiness or depression in ronin-sei because impaired daytime performance is known to result from sleep deprivation. Methods The participants in this cross-sectional study were 1075 ronin-sei and 285 university students. Sleepiness and depressive symptoms were assessed using the Epworth Sleepiness Scale (ESS) and the Center for Epidemiologic Studies Depression Scale (CES-D), respectively. Results Ronin-sei had significantly shorter sleep duration and earlier bed- and rise-times than university students. There was no significant difference in CES-D between the groups; however, the ESS score of university students was significantly higher than that of ronin-sei. Ronin-sei who slept for 5 to
ISSN:1876-2018
1876-2026
DOI:10.1016/j.ajp.2014.01.006