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Noninvasive, High-throughput Determination of Sleep Duration in Rodents
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Relationships between sleep duration and adolescent depression: a conceptual replication.

A T Berger1, K L Wahlstrom2, R Widome1

  • 1Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S 2nd St, Suite #300, Minneapolis, MN 55454.

Sleep Health
|April 1, 2019
PubMed
Summary

Adolescent sleep duration is strongly linked to lower odds of depression. This study confirms previous findings, highlighting the need for school districts to address teen sleep duration and scheduling.

Keywords:
AdolescentsEpidemiologyHigh school start timeMental healthReplicationSleep

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Area of Science:

  • Adolescent sleep research
  • Mental well-being studies
  • Reproducibility in science

Background:

  • Growing concern regarding research reproducibility necessitates validation of prior findings.
  • Previous analysis (Sleep Health, June 2017) explored adolescent sleep and mental well-being.
  • The START Study dataset was utilized for conceptual replication.

Purpose of the Study:

  • To conceptually replicate a prior analysis on adolescent sleep and mental well-being.
  • To assess the association between sleep variables and depressive mood indicators using new data.
  • To strengthen evidence on the link between sleep duration and depression in adolescents.

Main Methods:

  • Conceptual replication of a 2017 study using START Study baseline data.
  • Self-reported data on school day bedtime, wake-up time, and a 6-item depression subscale.
  • Logistic regression models computed associations between sleep variables and outcomes.

Main Results:

  • Increased sleep duration correlated with significantly lower odds of all 6 depressive mood indicators (P < .0001).
  • Point estimates for sleep duration and wake-up time largely fell within the previous study's confidence intervals.
  • Associations between wake-up time and outcomes showed some divergence between the two analyses.

Conclusions:

  • Findings reinforce the association between insufficient sleep duration and depression in adolescents.
  • The study underscores the importance of addressing short sleep duration among youth.
  • School districts should consider the impact of scheduling on teen sleep patterns.