Those who lose a night's sleep tend to eat more fast food

Sept. 3, 2013 at 7:55 PM
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BERKELEY, Calif., Sept. 3 (UPI) -- Those who lose a night's sleep tend to crave burgers, fries and pizza, and changes in brain activity due to lack of sleep may be a cause, U.S. researchers say.

Matthew Walker of the University of California, Berkeley, measured people's food choices and imaged their brain activity after a night's sleep and after a night with no sleep.

The study, published in the journal Nature Communications, found people preferred fast food after the sleepless night, and their sleep-deprived brains showed less capacity "to make good-for-you choices and more I-wanna choices."

"There's a shift in the behavioral choices that people are making, and that seems to be co-occurring with those changes in brain activity."

Those who get enough sleep might make better food choices and eat more healthfully.

Studies show some adults might need 7 hours a night, while others may need 9 hours to have a happy, productive life, but it's recommended all children and teens get 9 hours of sleep a night.

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