Get Your Beauty Sleep
Though it may be tempting to stay up watching the contents of your DVR, studies suggest that getting seven to eight hours of shut-eye a night is necessary to ward off weight gain. Separate research done by the University of Chicago and University of Pennsylvania, for example, revealed that sleep-restricted subjects gained more weight over time than those who were well rested. Culprits behind sleep-deprived weight gain are believed to be leptin and ghrelin, two hormones that affect how full you feel. When you’re short on sleep, levels of leptin (an appetite suppressant) fall and levels of ghrelin (an appetite stimulant) rise—so you feel hungrier than you would otherwise.
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