The surprising connection between sleep and junk food
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Previous theories about increased calorie intake hypothesized that eating more when tired was a result of the body trying to make up the energy it had lost. But Matthew P. Walker, author of this new study, argues that the change in food intake is caused by the sleep deprivation itself, not by true hunger or a need for calories. According to Walker, when we miss out on sleep, the metabolic byproduct adenosine builds up in our systems, which can wreak havoc on our brain function. So, shut off that phone and hit the hay early tonight- your brain (and your waistline) will thank you. (The New York Times)
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