"Too much sleep is deadlier than not enough."
Sleeping fewer than six hours a night -- and over seven and a half hours a night -- can often be indicative of illnesses or even the cause of health problems. Researchers from British and Italian universities analyzed studies that covered more than one million people and found that those who slept fewer than six hours a night were 12% more likely to die before 65, but those who slept more than nine hours were 30% more likely to die prematurely.
askmen.com
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