Mania is a state of excessive or abnormally high arousal, mood and energy levels. Mania is often association with bipolar disorder, which was known as manic-depressive disorder in the past. People with bipolar disorder experience cycling periods of mania with alternating periods of major depression.
The symptoms and severity of mania can vary. Some experience only mild symptoms known as hypomania, in which they tend to need less sleep, have elevated energy levels and show an increased metabolism. In more severe cases of mania, people may sometimes display psychotic symptoms that can include delusions and hallucinations.
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