Study: Having A Bad Night’s Sleep Could Make You Crave Junk Food

After a bad night of sleep, you may find yourself reaching for doughnuts, fries and pizza and a new study has figured out why. Researchers at Northwestern University Feinberg School of Medicine looked into why we crave more calorie-dense, high-fat foods when we’re sleep deprived and it seems we can blame it all on our noses.

The nose - or olfactory system - is affected in two ways when we don’t get enough sleep, according to the study. First, it goes into hyperdrive, making it easier for the brain to tell the difference between food odors. Then there’s a breakdown in communication with other brain areas and that’s when our choices of what to eat change.

"When you're sleep deprived, these brain areas may not be getting enough information,” explains senior study author Thorsten Kahnt, “and you're overcompensating by choosing food with a richer energy signal.”

So if you’re sleep deprived, you may want to be extra careful around tempting junk food. Kahnt advises, “It might be worth taking a detour to avoid your local doughnut shop next time you catch a 6 a.m. flight.”

Source: The Sun Image © 2019 Getty Images


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