Trouble Sleeping? Ask Yourself Why

02/16/2013 11:15 am ET

By Laura McMullen for U.S. News

Seven to eight hours of sleep each night means a happier, smarter, healthier and probably longer-living you. But more than 35 percent of us routinely clock in less than seven hours of z’s. If you’re prone to tossing and turning throughout the night, ask yourself why. Examine your “sleep hygiene.”

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