Article / peer reviewed

Bedtime Screen Use Behaviors and Sleep Outcomes in Early Adolescents: A Prospective Cohort Study

A national prospective cohort study relates specific bedtime screen behaviors to sleep outcomes one year later.

Publication details

Author and publication date

  • Published

Research context

Population and methodology

  • Population 9,398 early adolescents in the Adolescent Brain Cognitive Development Study; ages 11-12; United States.
  • Methodology Prospective cohort analysis of self-reported bedtime screen use, self-reported sleep duration, and caregiver-reported sleep disturbance, adjusted for baseline sleep and sociodemographic covariates.
  • Fieldwork ABCD Study Years 2-3, 2018-2021
  • Sample size 9,398

How to use this source

Evidence strength

Limitations Prospective associations do not establish causality, and the findings cover early adolescents rather than younger children.

Trace the claim

Extracted evidence

findingself-reported

Early adolescents who left their phone ringer activated overnight had greater odds of sleep disturbance and shorter sleep one year later than peers who turned phones off at bedtime; bedtime social media, texting, and music use showed the same direction.

Locator Abstract, Results paragraph.

Scope 9,398 early adolescents in the Adolescent Brain Cognitive Development Study; 11-12; United States; ABCD Study Years 2-3, 2018-2021.

Limitations Prospective associations do not establish causality, and the findings cover early adolescents rather than younger children.

Connected conclusions

Themes

Time & Routines

Related insights

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