Managing multiple mental health conditions, like a mood disorder and an anxiety disorder, can be more challenging than managing just one. It can also make insomnia worse.

Sleep apnea can lead to health problems and make people sleepy during the day. New research links bipolar disorder to sleep apnea.

With football season in full swing, it's time to get reacquainted with concussions: what to expect, how to treat and when to return to action.