I used to take trazedone but the had to stop because it made my daily dissociation worse along with my nightmares. Amitriptyline (an antidepressant) made me pretty drowsy and I could sleep, but I also still had the dissociative state upon awakening and it did nothing to stop nightmares and I noticed an increase in frequency/intensity with my flashbacks. There are a lot of other options out there, though. It doesn't hurt into look into it.