An investigation of the longitudinal relationship between sleep and depressed mood in developing teens
Authors Lovato N, Short MA, Micic G, Hiller RM, Gradisar M
Received 27 April 2016
Accepted for publication 9 June 2016
Published 13 February 2017 Volume 2017:9 Pages 3—10
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Professor Steven A Shea
Nicole Lovato,1 Michelle A Short,2 Gorica Micic,3 Rachel M Hiller,4 Michael Gradisar3
1Adelaide Institute for Sleep Health: A Flinders Centre of Research Excellence, Repatriation General Hospital, Flinders University, 2Centre for Sleep Research, University of South Australia, 3School of Psychology, Flinders University, Adelaide, SA, Australia; 4Department of Psychology, University of Bath, North East Somerset, UK
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.
Keywords: adolescence, sleep disturbance, school-based, prospective, depressive symptoms
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