Sleeping too much may be as harmful as not sleeping enough

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stroke

You’ve probably been told over and over to make sure you get enough sleep, or else your health might suffer.

A new study, however, says the opposite: too much sleep isn’t good for you either.

Researchers at the University of Cambridge conducted a 10-year study on sleep and found that sleeping for more than eight hours a night leads to an increased risk of stroke.

The study followed 10,000 people for 10 years; over that time, 300 of them had a stroke. Controlling for other health factors, such as heart disease, the results indicated that sleeping more than eight hours nearly doubled the risk of a stroke compared to sleeping six to eight hours.

Researchers weren’t sure why the link existed.