Published: Sat, May 20, 2017
Medical | By Dorothy Lyons

Study Finds That 'Beauty Sleep' Is Actually a Real Thing

Study Finds That 'Beauty Sleep' Is Actually a Real Thing

These changes alter our perception of attractiveness, intelligence and health, according to the study, suggesting beauty sleep could be a real thing.

Researchers at the Karolinska Institute asked 25 volunteers to photograph themselves, make-up free, after two full nights' sleep.

The researchers then showed the photos to a different set of 122 volunteers, who were asked to rate the subjects on attractiveness, health, sleepiness and trustworthiness.

The Independent reports that those who looked at the participants' photos after only four hours of sleep, they thought they were less attractive, less healthy, less trustworthy and would not socialize with them. People were rated by strangers as less healthy and approachable when they had exhausted faces. They also asked them, 'How much would you like to socialise with this person in the picture?' Two subjects were even rated as more attractive in their sleep-restricted photos. However, Dr Sundelin also pointed out, "I don't want to worry people or make them lose sleep over these findings though".

Furthermore, the study found that people's willingness to socialize with sleep-deprived people was only 2.1 percent less than their willingness to do so with fully rested people.

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Of course, "most people can cope just fine if they miss out on a bit of sleep now and again", lead researcher Tina Sundelin, Ph.D., told BBC.

"People seem to be able to tell when someone needs more sleep, and are more inclined to leave them alone in that case", the authors wrote in the new work.

You already know that a good night's sleep and weight loss have a strong correlation, but now studies officially show that there's a connection between shut-eye and perceived attractiveness.

As a result, they were less attractive to potential partners and less likely to be chosen by friends and colleagues to socialise with. "The reasons for avoiding people who look sleepy may include the fact that sleepy individuals are at a higher risk for accidents, or more prone to be carriers of contagious pathogens, or aspects making them less socially rewarding to be around", the researchers explain. As it turns out, not getting enough sleep made participants score worse on all counts.

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