I take a Sinemet CR 25/100 at bedtime, and 75mg Trazadone. I also take an evening 30mg tablet of Paxil. There was a period of time (and occasionally now) when I would awaken about 4 hrs later. If I took a Sinemet 10/100 then, I'd be able to fall back to sleep. Now I usually awaken at 5:30 a.m. & take the 10/100 again to return to sleep. M.Dawn Legan 55/5