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Cut nearly 300 calories a day by doing something you already do

Want to lose weight from sleeping? Try extending your sleep time so you are not sleep deprived.

That's the startling outcome of a randomized trial that asked young, overweight adults who typically slept less than six and a half hours to try to sleep about eight and a half hours a night for two weeks.

At the end of that short amount of time, many of those who did extend their sleep to a healthier length decreased their calorie intake by an average of 270 calories a day, according to the study published Monday in the journal JAMA Internal Medicine.

Some of the study participants cut their intake by 500 calories each day, the study found.

"This is almost like a game changer for weight loss or weight maintenance," said study author Dr. Esra Tasali, an associate professor of medicine who directs the Sleep Research Center at the University of Chicago.

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