Mania

Mania is a period of extremely high energy or mood. It is a serious mental illness that may cause somebody to be very excited or violent. A person in a manic state is unusually cheerful, overactive, boastful, and making big plans with a reduced need for sleep.
Causes of Mania Disorder
-A chemical imbalance in the brain
-A high level of stress and unable to manage it.
-Changes in sleep pattern or a lack of sleep.
-A side effect of a medication (like antidepressants), alcohol or recreational drugs.
-A serious change in your life, such as a divorce, house move or death of a loved one.