A new Stockholm University study aimed to examine the face of sleep by charting responses to pictures of people who were deprived of sleep, as reported by Science Nordic.

All the photographs of tired persons were judged more negatively than photos taken after getting enough sleep. Tired persons are viewed as less attractive, less healthy and less trustworthy. These enervated persons were also judged as poorer potential employees, poorer potential leaders and as generally sadder people.

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