Sleep patterns and impulse control among Japanese junior high school students

Takeru Abe*, Akihito Hagihara, Koichi Nobutomo

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    20 Citations (Scopus)


    Adolescents with decreased impulse control exhibit behavioral problems. Lifestyles are related to impulse control. However, the relations of sleep patterns and impulse control among adolescents are unknown. Thus we examined how sleep patterns were associated with impulse control among Japanese junior high school students. Surveys were completed by a nationwide sample of 1934 students. A significant association between decreased impulse control and bedtimes after midnight was revealed. Specific lifestyle factors related to bedtimes after midnight were older age, greater numbers of hours spent watching television, lack of participation in an extracurricular activity, greater use of convenience stores, and increased attendance at cram schools. This study revealed that going to sleep after midnight was significantly related to decreased impulse control among adolescents. Data about specific lifestyle factors related to going to sleep after midnight should be useful in preventing those behaviors demonstrated by school children that derive from decreased impulse control.

    Original languageEnglish
    Pages (from-to)633-641
    Number of pages9
    JournalJournal of Adolescence
    Issue number5
    Publication statusPublished - 2010 Oct


    • Impulse control
    • Japanese
    • Sleep

    ASJC Scopus subject areas

    • Pediatrics, Perinatology, and Child Health
    • Psychiatry and Mental health
    • Developmental and Educational Psychology
    • Social Psychology


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