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Poor Sleep Traits Elevate Risk for 172 Diseases: New Research
September 15, 2025Poor sleep traits including irregular sleep rhythms, frequent night wakings, and short sleep duration are associated with a higher risk of 172 diseases, according to a new, large-scale international study.1 Sleep traits accounted for a significant portion of the risk (more than 20%) for 92 diseases, including Parkinson’s, pulmonary heart diseases, type 2 diabetes mellitus, liver cirrhosis, acute kidney failure, and gangrene. Researchers also found that long sleep duration (more than 9 hours) was not associated with poor health outcomes, as was previously thought.This marks the first study relying on objective data to explore associations between multiple dimensions of sleep and risk for a large number of diseases.