I've read alot of back post on this medication... I started on it at a 25mg dose 2 nights ago. Last night I fell asleep at 10ish and was up at 11ish. I fell back to sleep until 2:30. Then I fell back to sleep until 5ish then had lots of trouble going back to sleep. I got 2 "sessions" of 3 hours last night and was definatly not as "restless" as usual. Does this medication take some time to build up or should it be a "once you start taking it you feel the affect" drug. I did wake up in less pain than normal and my back was not killing me like it always does. I take that as a possitive sign. I figured I'd give it a week or so before seeing if I need to go up on the dosage. I go for my evaluation tonight for my water therapy. Hopefully they don't poke and prod too much as I'm just getting over the exam on Tuesday!