Mania refers to a state of abnormally and persistently elevated, expansive, or irritable mood, often accompanied by excitement, overactivity, agitation, overoptimism, grandiosity, or impaired judgment.

Mania is a condition in which you display an over-the-top level of activity or energy, mood or behavior. This elevation must be a change from your usual self and be noticeable by others. Symptoms include feelings of invincibility, lack of sleep, racing thoughts and ideas, rapid talking and having false beliefs or perceptions.

Mania, also known as manic syndrome, is a mental and behavioral disorder defined as a state of abnormally elevated arousal, affect, and energy level, or "a state of heightened overall activation with enhanced affective expression together with lability of affect."

: excitement manifested by mental and physical hyperactivity, disorganization of behavior, and elevation of mood