An investigation of the longitudinal relationship between sleep and depressed mood in developing teens

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    Abstract

    Objective: The prospective, bidirectional relationship between sleep disturbance and depressed mood was assessed in a school-based sample of adolescents. Method: One hundred and thirty-eight Australian adolescents (mean age time 1 =15.69, standard deviation =0.92; 64% male) completed questionnaires to assess sleep parameters and depressed mood, on two occasions over 1 year. Results: Cross-sectional associations were observed between depressed mood and sleep duration, as well as wakefulness in bed. Prospective analyses revealed depressed mood predicted less total sleep time on school nights and a longer latency to sleep onset on weekends 1 year later. There was no prospective support for sleep predicting later depressed mood. Conclusion: Contrary to prediction, our results suggest in this case that depressed mood may act as a precursor to poor sleep rather than the converse.

    Original languageEnglish
    Pages (from-to)3-10
    Number of pages8
    JournalNature and Science of Sleep
    Volume9
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Adolescence
    • Depressive symptoms
    • Prospective
    • School-based
    • Sleep disturbance

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