My daughter has always trouble maintaining a sleep pattern. Began to get worse in her teens. She is now cycling in an out of not sleeping for up to 72 hours then sleeps for days and starts all over again. Have tried Zypresxa, tofranil, w/o relief. On the surace this could appear to be bipolar disorder, but I can find nothing in the description of bipolar spectrum, that speaks of these extreme symptoms. Has anyone else had experience with this?