Long-term study links chronic insomnia to increased risk of death

The adjusted hazard ratio for all-cause mortality was three times higher in people with chronic insomnia (HR = 3.0) than in people without insomnia. When examining individual subtypes of insomnia, the risk of death was elevated, regardless of which subtype people reported. The risk of death was two to three times higher in individuals with one of the four insomnia subtypes. The study involved 2,242 participants.

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