theatlantic:

Sleep Deprivation Makes Us Appear Unattractive and Sad

Have you ever wanted to tell someone they look sleep-deprived, but then just before you do, stopped yourself? Because, wait, are they really sleep-deprived? Or is that just how their eyes usually look? Also, remember, not everyone likes to be told they look tired. 

In 2010, researchers at the University of Stockholm found that people who appear tired are also more likely to be perceived as unhealthy and less attractive. (So, yes, “You look tired” is an unambiguous insult.) The Sweden-based research team published even more specific details in the academic journal Sleep this week to help us sort the inexorable facts on the link between how we sleep and how we appear.

Read more. [Image: junctions/flickr]