HealthDay News — According to a review presented in Munich, Germany at the annual meeting of the European Association for the Study of Diabetes, long naps could increase the risk of developing type 2 diabetes later in life.

A research team from the University of Tokyo analyzed data on more than 307,237 people included in 21 published studies.

The team found that naps lasting an hour or more were associated with a 45% increased risk for type 2 diabetes. Shorter naps had no effect on diabetes risk, however.

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“Longer naps were associated with increased risk of diabetes and metabolic syndrome,” the authors write. “Further studies are needed to confirm the efficacy of a short nap.”


Tomohide Y. Daytime napping and the risk of metabolic diseases: dose-response meta-analysis. Review presented at: 52nd Annual Meeting of the European Association for the Study of Diabetes; September 2016; Munich, Germany.

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