Sleep deprivation makes us appear unattractive & sad

http://www.theatlantic.com/health/archive/2013/09/sleep-deprivation-makes-us-appear-unattractive-and-sad/279239/ / research health healthy wrinkles wrinkled fine lines paler pale less intelligent unhealthy health more droopy corners of the mouth droop look sleep-deprived sleep deprived tired University of Stockholm unhealthy less attractive researchers researcher academic journal Sleep doctoral candidate Tina Sundelin team photographed photograph research subjects two separate occasions once after eight hearty hours sleep after 31 hours awake forty people then rated photographs scales fatigue sadness ten metrics of physical appearance perceived sleep deprived sleep-deprived subjects as being sadder having paler skin more wrinkles wrinkle fine lines droopy corners of the mouth Discovery Health recently ran article called 10 Signs You May Be Deprived of Sleep believe Mood swings swing medical problems problem relationship troubles trouble diminished motor skills poor decision making vision problems increased appetite inability to concentrate poor memory inability handle stress practical implications faces contain information which humans base interactions fatigued a person appears may affect how others behave toward them Sundelin press release part innate sense of empathy go easy on this tired person ability identify exploit weakness weaknesses /