It’s a little hard to believe there’s such a thing as sleeping too much, since so many of us feel like it’s a struggle to even get barely enough.
But it’s true: You can overdo it on sleep.
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It can hurt the heart.
In research presented at a 2012 American College of Cardiology meeting, sleeping eight or more hours each night was linked to an increased risk of heart problems. The researchers analyzed data from over 3,000 people and found that long sleepers had two times the risk of angina and 1.1-times the risk of coronary artery disease.
Sleeping too much may lead to an earlier death.
In a 2010 review of 16 different studies, researchers found an increased risk of dying — of any cause — among both short and long sleepers. Sleeping more than eight hours a night was associated with a 1.3-times greater risk of death among the 1,382,999 various study participants.
