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

18 May 2017

To come to this conclusion the researchers recruited 25 volunteers who agreed to deliberately limit their sleep for the good of science. However, Dr Sundelin also pointed out, "I don't want to worry people or make them lose sleep over these findings though". They were given a kit to measure their night time movements, to check how long they have slept. The strangers were good at judging if the person they were looking at was exhausted, and, if they were sleepy, their attractiveness score suffered.

Those who have restricted sleep are less attractive to others, says a new study.

Next, they asked 122 participants to look at photos of the participants and rate them in terms of attractiveness, health, sleepiness and trustworthiness.

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The exhausted people's faces were also enough to put strangers off socialising with them.

That's potentially a problem for a lot of people: According to the National Sleep Foundation, adults over the age of 18 need a minimum of seven hours of sleep a night - and many don't get that.

"Telling someone they look exhausted says more about your perception of them than you might think", the study starts. If you're struggling to get enough sleep, she recommends stopping work on your phone or computer an hour before bed, keeping your bedroom just for sleeping, and trying to have regular sleep hours. A couple of bad nights is enough to make a person look "significantly" more ugly, their sleep experiments suggest.

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Sundelin notes that the impact of sleep restriction on a person's appearance is "fairly small", but it can make people perceive you differently. After this, they were photographed again.

Dr Gayle Brewer, a psychology expert at the University of Liverpool and member of the British Psychological Association, said: "Judgement of attractiveness is often unconscious, but we all do it, and we are able to pick up on even small cues like whether someone looks exhausted or unhealthy". "We want our partners to be attractive and energetic". "Sleep deprivation is associated with a wide variety of physiological changes, such as impaired immune function, reduced cardiovascular health, and even impaired glucose metabolism", she says, which is why people who are sleep deprived can be viewed as less healthy. Perhaps when we don't get enough sleep, that results in restricted blood flow to the skin, which in turn would make us look more pale and exhausted.

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