A University of Washington study found that people who ran or walked at least 40 minutes three times a week experienced longer periods of deep sleep. And don't worry about when you exercise: Another study from Arizona State University found that there was zero difference in sleep quality between people who worked out within four hours of going to bed and those who vegged out on the couch all evening.
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Style & Design 2014
Tech, Tools, Toys & the Hottest New Gear
Plus: When to Say No to Your Doctor
ON NEWSSTANDS NOW
Mike Rowe Brings Back the Blue Collar Hero
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