Sex differences in bidirectional associations between dimensions of Fitbit-derived sleep and emotional health across 1 year in American Life in Realtime, a nationally representative sample of U.S. adults.

Sleep · 2026 · PMC12951524 · PMID 41134282

Europe PMC DOI

hedged sentence

0.0600

closest p · 1.2× alpha

0.0600

boldest claim

The sentences

marginally significantp = .060so close (0.05 < p ≤ 0.1)

Neither CTSO, SMEff, nor variability in TST or in CTSO significantly predicted anxiety score across sexes, though there was a marginally significant interaction between CTSO and sex ( p = .060).

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