I'm glad I can help. If you can, you may want to go the library and try to get a hold of a book called the DSM-IV - it's a manual that mental health professionals use to identify mental disorders.
Bipolar disorder these days is always referred to as Manic Depression - people go from highs (elateness) to lows (manic). They can occur every few hours or people may go days, years and sometimes even months without an episode.
During the elated period, people experience pure happiness and exuberance with an extraordinary amount of energy and find that they don't need as much sleep.
During the manic period, people are lethargic and have trouble doing the everyday normal things. There is constant crying, worrying, and tiredness associated with the manic phase.
Sometimes, people with bipolar disorder can almost seem schizophrenic because their moods can change almost instantly.
People with bipolar disorder tend to have ...
An in depth look at bipolar disorder.