A U-shaped relationship between nighttime sleep duration and new-onset emotional, nervous, or psychiatric problems: a prospective cohort study from China.

Front Psychiatry · 2025 · PMC12337680 · PMID 40791205

Europe PMC DOI

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a significant trendP<0.05actually significant

Q3 showed a considerably reduced risk in all three models, and the trend test revealed a significant trend impact of sleep length in all three models (P<0.05), suggesting that the risk of ENP gradually decreased as sleep duration increased.

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