I dunno what to tell you man-I have not had an unaided night of sleep in probably 5 years. I am pretty dependent on medication to sleep. If I run out of my sleeping meds, I will get maybe 5 hours of sleep over 3 or so days until the prescription is refilled. I have had many talks with my doc about this, and he is not that concerned about it, it is just what my body needs. The medication I am not is non-habit forming, as in I don't crave it, and I don't go through withdrawl, I just don't sleep.
Everyone is a little different.
Ok, that was a little bit of a tangent, sorry!