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Can too much sleep be bad for your health?

New research suggests too much sleep is bad for your health. A study published in the Journal of the American Heart Association found people who slept 10 hours a night were 30 percent more likely to die prematurely than those who slept for eight. The risk for death from stroke and cardiovascular disease also increased. Dr. Tara Narula, cardiologist at New York's Lenox Hill Hospital, joins "CBS This Morning" to discuss the findings.
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