Bipolar disorder is a brain disorder that causes changes in a person's mood, energy, and ability to function. People with bipolar disorder experience intense emotional states that typically occur during distinct periods of days to weeks, called mood episodes. These mood episodes are categorized as manic/hypomanic (abnormally happy or irritable mood) or depressive (sad mood). People with bipolar disorder generally have periods of neutral mood as well. When treated, people with bipolar disorder can lead full and productive lives.
Manic Episode
A manic episode is a period of at least one week when a person is extremely high-spirited or irritable most of the day for most days, possesses more energy than usual, and experiences at least three of the following changes in behavior:
Decreased need for sleep (e.g., feeling energetic despite significantly less sleep than usual
Increased or faster speech
Uncontrollable racing thoughts or quickly changing ideas or topics when speaking
Distractibility
Increased activity (e.g., restlessness, working on several projects at once)
Increased risky behavior
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