SLEEP

Not good things, to our dismay.

Here's yet another reason to make a good night's sleep a priority: You're missing a potentially vital opportunity to practice essential survival skills.

D'awwww.

A small study of young couples found that people who got a little extra sleep were happier with their relationships the next day.

Sophisticated laser scans of trees at night showed the trees’ branches drooping after dark and perking up around dawn.

How do the positions in which we sleep affect our overall health?