According to a new Swedish study, people deprived of sleep for long amounts of time look less attractive and more unhealthy than those who are well-rested. In the study, researchers took photos of volunteers after eight hours of sleep, and once again after they’d been awake for 31 hours, then had observers score them on how they looked. Twenty-three young men and women were used, and photos were standardized so people wore no makeup and used the same expression. This could help doctors pick up signs of bad health in patients, researchers say.
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