They say that you’re not supposed to do your groceries when you’re hungry, but according to a study on Science Daily, you shouldn’t drop by the supermarket when you’ve been up all night, either. Apparently, people tend to make unhealthier food purchases when they’re sleep-deprived.

Swedish researchers asked 14 healthy men to sleep one evening and stay the next. After each night, they were given a budget of approximately 50 dollars to spend on a selection of 20 high-calorie and 20 low-calorie food.

Interestingly, the participants bought more calories and grams--an additional nine percent and 18 percent respectively--after a night without sleep. Researchers believe that lack of sleep may lead to impaired higher levels of thinking and decision-making, giving way to more primal sensations such as hunger that may lead to impulse buying.

So if you want to keep your wallet fat and your waistline slim, better improve and regulate your sleeping schedule. It'll help you wake up with a clearer head and have lesser cravings.


(Photo by Polycart via Flickr Creative Commons)

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