SAN FRANCISCO, Calif. — Foods may smell more appetizing when you’re tired.
Getting too little sleep seems to increase the brain’s sensitivity to food smells, a new study finds. This suggests sleep-deprived people might finds snacks more enticing. If true, this could help explain why people who burn the candle at both ends tend to eat more — and often weigh more.
Surabhi Bhutani is a nutrition scientist at Northwestern University’s Feinberg School of Medicine in Chicago. She shared her team’s new findings here on March 27 at the Cognitive Neuroscience Society’s annual meeting.
The group brought adults into their lab who had had slept only four hours the night before. Each inhaled a sequence of food odors. They might, for instance, include the scent of potato chips or cinnamon rolls….