A midday snooze could increase the risk for heart disease

Napping for more than 60 minutes a day increases the risk of developing metabolic syndrome—a leading cause of heart disease.

People who nap more than 60 minutes a day—and reported a high level of daytime fatigue—increased their risk of developing metabolic syndrome by 50 percent. Large waistlines, high blood pressure and high levels of triglycerides raise the risk for heart disease.

Researchers analyzed data from more than 300,000 people from 21 different studies.

But the study didn’t show cause and effect, so the researchers can’t say for sure whether the long naps were actually responsible for the increased risk.

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