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Heart Smarts
O, The Oprah Magazine  |  From the October 2006 issue of O, The Oprah Magazine
Woman sleeping
 

Get at least seven hours of sleep.
That's per night, not week. And men—a needier breed—require eight. The benefit? Ask us if you still need an explanation when you wake up in the morning.
Printed from Oprah.com on Wednesday, May 22, 2013
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