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September 10, 2025Sleep HealthOpen Access

School start times and racial disparities in early adolescent sleep

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Authors

TYTiffany YipFordham UniversityJYJinjin YanFordham UniversityMZMeng‐Run ZhangFordham University

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Implication

Observational study links school start times to sleep duration in adolescents, highlighting racial disparities.

Key Points

  • Later school start times correlate with longer sleep duration among White early adolescents, and indicates racial disparities.
  • Statistically significant impacts include increases in weekday sleep duration, with effects notably stronger for White youth vs. Latinx groups.
  • This study used actigraphy to assess sleep metrics in a diverse sample of 3522 early adolescents from the ABCD Study.
  • The findings underscore the need for attention to school start times in addressing sleep health equity among different racial groups.

Cite This Study

Yip et al. (2025) studied this question.

synapsesocial.com/papers/68c1a27254b1d3bfb60dde86https://doi.org/10.1016/j.sleh.2025.07.003
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