Skip Over Navigation Links
National Institutes of Health

Symptoms of Depression and Mania

Not everyone who is depressed or manic experiences every symptom. Some people experience only a few; some people suffer many. The severity of symptoms varies among individuals and also over time.


“You don’t have any interest in thinking about the future, because you don’t feel that there is going to be any future.”

-Shawn Colten, National Diving Champion

“I wouldn’t feel rested at all. I’d always feel tired. I could get from an hour’s sleep to eight hours sleep, and I would always feel tired.”

-Rene Ruballo, Police Officer