I took 16 mgs everyday for the past 2 yrs and before I stoped I had myself down to 8 mgs and so far, Ive been sleepy but unable to sleep had a headache for the past 2 days, hot one mintue cold the next although the physical pain isnt as bad! Ive came off every durg thier is and so far subxone has little physical pain although I feel as if I may throw up any mintue and I dont wanna eat a thing!Can someone tell me how long I will feel this way?