Getting enough sleep keeps you thin. Thatís because when your body doesnít get the seven to eight hours of sleep it needs every night to get rejuvenated, it needs to find ways to compensate for neurons not secreting the normal amounts of serotonin or dopamine. The lack of sleep throws off your entire system-which increases your appetite. Lack of sleep can become an even bigger factor as you age. When you get older, the pineal gland in your brain produces less of the sleep hormone melatonin, resulting in a craving for carbohydrates.
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