Insomnia

Kimberly
Help! Im going crazy! I have had insomnia for the last 6 yrs or so. It wasnt too bad... If i took a tylenol pm or simply sleep, i was fine. Slept almost the whole night. However, ever since my lap surgery in sept, even the pm meds are not working! Some nights i have to take two and i still dont sleep. I am irritable, frustrated, moody, depressed... Its even makin my ibs symtpoms worse. I dont know how much longer i can take of this. Does anyone have any suggestions on how to help?! 
Side notes: ive tried ambien and xanax to sleep... Both make me crazy. I rarely drink caffeine after 12 noon. Ive tried reading before bed, not exercising too close to bed, etc. and still nothing. 
Help!