I'm on clozaril which is supposed to be extremely sedating but isn't for me. So I take gabapentin (1200 mg) at bedtime (and can take 200 more if I need it). I also take 2 mg of klonopin at bedtime and 25 mg of topamax (which is nothing but seems to help calm me so I sleep better). This works better than anything else I've ever taken. (I also have hydroxyzine if nothing else works). Sleep has always been a HUGE issue for me and it is so wonderful to know that when I lay day I'm going to sleep for a long time (although we're still adjusting meds and I often sleep too much).