Poorer sleep quality was linked with later anxiety in adolescents
A review examined sleep quality, timing and duration alongside anxiety, drawing on observational studies and trials that address different questions.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Poorer sleep quality was linked with adolescent anxiety both at the same time and later on. Trials also reported lower anxiety after sleep interventions. However, observational links do not establish causation, and short sleep duration gave mixed longitudinal results depending on whether it was analysed continuously or as a risk category.
This abstract-based summary lacks trial control details, intervention schedules and confidence intervals for pooled effects. It cannot establish which sleep intervention would help a particular adolescent or the absolute size of any benefit.
What researchers found
Baseline sleep quality and later anxiety
Poorer versus better baseline sleep quality; a modest positive, unitless correlation with later anxiety. Prediction peaked within 12 months; the full follow-up range was unreported.
What the correlation means
A positive correlation means measurements tend to move together; a perfect positive correlation would mean an exact linear match. This modest value indicates a looser pattern, not a risk increase or treatment effect.
Duration depended on measurement
Shorter sleep predicted later anxiety when analysed along a continuous scale, but the categorical risk result was not statistically significant. That difference does not prove the categorical association is absent.
The original publication
Explore the impact of sleep-related factors on anxiety in adolescents: A meta-analysis of cross-sectional, longitudinal and RCT studies.
Zhang J, Wan J, Wang Y et al.
J Affect Disord · 2026
- PubMed ID
- 41713614
- Record checked
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