Sleep is central to the proper functioning of the immune system, which in turn has implications for mental and physical ...

Jealousy was long considered a uniquely human emotion, but it turns out that animals may experience something similar.

Ever wonder what separates billionaires from the rest of us? Maybe it's not genius or luck at all. Here's the thing: ...

Imagine you got a rough night of sleep. Perhaps you went to bed too late, needed to wake up early or still felt tired when ...