I have recently been diagnosed as bipolar. I have endured extreme insomnia for 20 years and Xanax has worked without fail during that time. I have a new shrink that wants me off of Xanax and has put me on Seroquel. OMG! In six months time I have gained 30 pounds. I have tried every medication known to man and this is not gonna work. I walk every night and rollerskate once a week, but the weight continues to pile on! Would a medication such as Thorazine be beneficial to me???