An approach to understanding sleep and depressed mood in adolescents

person-centred sleep classification

Tamar Shochat, David H. Barker, Katherine M. Sharkey, Eliza Van Reen, Brandy M. Roane, Mary A. Carskadon

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

Depressive mood in youth has been associated with distinct sleep dimensions, such as timing, duration and quality. To identify discrete sleep phenotypes, we applied person-centred analysis (latent class mixture models) based on self-reported sleep patterns and quality, and examined associations between phenotypes and mood in high-school seniors. Students (n = 1451; mean age = 18.4 ± 0.3 years; 648 M) completed a survey near the end of high-school. Indicators used for classification included school night bed- and rise-times, differences between non-school night and school night bed- and rise-times, sleep-onset latency, number of awakenings, naps, and sleep quality and disturbance. Mood was measured using the total score on the Center for Epidemiologic Studies-Depression Scale. One-way anova tested differences between phenotype for mood. Fit indexes were split between 3-, 4- and 5-phenotype solutions. For all solutions, between phenotype differences were shown for all indicators: bedtime showed the largest difference; thus, classes were labelled from earliest to latest bedtime as ‘A’ (n = 751), ‘B’ (n = 428) and ‘C’ (n = 272) in the 3-class solution. Class B showed the lowest sleep disturbances and remained stable, whereas classes C and A each split in the 4- and 5-class solutions, respectively. Associations with mood were consistent, albeit small, with class B showing the lowest scores. Person-centred analysis identified sleep phenotypes that differed in mood, such that those with the fewest depressive symptoms had moderate sleep timing, shorter sleep-onset latencies and fewer arousals. Sleep characteristics in these groups may add to our understanding of how sleep and depressed mood associate in teens.

Original languageEnglish
Pages (from-to)709-717
Number of pages9
JournalJournal of Sleep Research
Volume26
Issue number6
DOIs
StatePublished - 1 Dec 2017

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Sleep
Phenotype
Depression
Arousal
Epidemiologic Studies
Students

Keywords

  • adolescent
  • depression
  • mixture models
  • sleep patterns

Cite this

Shochat, Tamar ; Barker, David H. ; Sharkey, Katherine M. ; Van Reen, Eliza ; Roane, Brandy M. ; Carskadon, Mary A. / An approach to understanding sleep and depressed mood in adolescents : person-centred sleep classification. In: Journal of Sleep Research. 2017 ; Vol. 26, No. 6. pp. 709-717.
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An approach to understanding sleep and depressed mood in adolescents : person-centred sleep classification. / Shochat, Tamar; Barker, David H.; Sharkey, Katherine M.; Van Reen, Eliza; Roane, Brandy M.; Carskadon, Mary A.

In: Journal of Sleep Research, Vol. 26, No. 6, 01.12.2017, p. 709-717.

Research output: Contribution to journalArticleResearchpeer-review

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