The most serious problem with not getting enough sleep is that terrible, groggy feeling you have to suffer through in the morning, right?
You may not realize this, but lack of sleep is much more dangerous than simply feeling more tired than usual. Increasingly, researchers tell us, it’s clear that not getting enough sleep can become a serious health hazard.
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Sleep deprivation can up your risks of:
In a study of 1,240 people published in 2011, Case Western University researchers found that those who slept fewer than 6 hours a night were 47 percent more likely to have colorectal polyps, which can become cancerous, than people who clocked at least 7 hours of sleep.
Researchers at Tohoku University Graduate School of Medicine in Sendai, Japan, studied data from nearly 24,000 women ages 40 to 79, and learned that those who slept fewer than 6 hours a night had a 62 percent higher risk for breast cancer, while those who slept more than 9 hours a night had a 28 percent lower risk.
In a 2010 study published in the journal Sleep, researchers at the West Virginia University School of Medicine reviewed data from 30,397 people who had participated in the 2005 National Health Interview Study. They discovered…