Insomnia symptoms during the early and late stages of the COVID-19 pandemic in China: a systematic review and meta-analysis.

Sleep Med · 2022 · PMC8479411 · PMID 34732293

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marginally significantno p-value reported

In this current study, after controlling for areas of high and low prevalence of COVID-19 cases, anxiety and depression status, the association between mental disorders and insomnia symptoms becomes weaker and marginally significant, suggesting that insomnia symptoms in patients with mental disorders may be moderated by concerns to the high COVID-19 epidemic.

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