Marathon runners with evening-oriented preferences and greater morning grogginess (sleep inertia) tend to have slower race ...

Cannabinol, a lesser-known compound found in the cannabis plant, might hold promise as a sleep aid, according to new research ...

Loneliness has been called a public health crisis, and new research suggests the stakes are even higher than we thought.

A recent study found that self-esteem and sexual satisfaction influence each other over time, creating a reinforcing cycle, ...