Insomnia and mortality: a meta-analysis

The purpose of this review was to evaluate the strength of evidence for a relationship between risk of mortality and frequent and ongoing insomnia using a meta-analytic strategy.Seventeen studies, including a total of 36,938,981 individuals followed up for a mean of 11.6 years, reporting the investigation of the association between mortality and frequent (≥3 nights/week), ongoing (≥1 month) insomnia were identified.There was no difference in the odds of mortality for those individuals with symptoms of insomnia when compared to those without symptoms (OR= 1.06, 95%CI=0.61-1.84, p=.84).

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