What are the signs that show you may be bi polar?

Many different ones: Bipolar disorder is a mood disorder in which people may have depressed (low) episodes or manic (high) episodes. In the manic episodes, symptoms may include a large increase in energy, decreased need to sleep or eat, grandiose feelings of self and abilities, a feeling that ones thoughts are racing, being very distractable, doing things that are very dangerous and out of normal character.