The primary symptoms of bipolar disorder are periods of elevated or irritable mood accompanied by dramatic increases in energy, activity, and thinking. The illness has two (bi) strongly contrasting phases (polar): 1) bipolar mania or hypo-mania and 2) depression.
1) Bipolar mania or hypo-mania symptoms include:
Euphoria or irritability
Increased energy and activity
Excessive talk; racing thoughts
Unusual energy; less need for sleep