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iVillage.com: Beauty Sleep: 17 Bedtime Tips

Sleep More, Eat Less

People who don’t get enough sleep often overeat. Lack of sleep leads to an increase in appetite, sometimes a dramatic one. What’s worse, in a study at the University of Chicago, participants who were experiencing sleep deprivation craved more calorie-dense, carbohydrate-rich foods, such as cake, ice cream, pasta and bread. Another study on the effects of diet and sleep found that drowsy dieters produced higher levels of ghrelin, a hormone that triggers hunger and slows down the body’s fat-burning mechanism. So not only are you famished and eating more when you’re sleep-deprived, you’re also burning less fat. If you’re overweight or obese, you need to lose weight for your health, not just to change your looks. Ultimately, Dr. Roizen says, the idea is to be in shape for you -- for your health, your mind and for you to feel beautiful.

(Credit: Aagamia/Iconica/Getty Images)
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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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