Denita, I was like you for the longest time when my brain wouldn't shut down. I felt like it was spinning really fast like a hamster on one of those wheels in a hamster cage. It would race from one thought to the next to the next and at some point (many hours later) I would finally collapse -- only to wake up a short time later for round 2.
My chiropractor has done some pressurizing at the base of my skull to do what he calls "quiet that half of the brain" and wake up the calming side of the brain.
I am also now on generic Ambien (I tried Lunesta first, and while that worked and doesn't have some of the complex "issues" that sometimes accompany my generic Ambien, it was outrageous in price). Just recently I was contemplating whether I could get off the Ambien, but then my 24-hour hormone lab results came back and I was highly deficient in HGH hormone. The injections for that cost thousands a month, so that's out of the question. The only other recommendations were eat lots of protein, exercise daily, and practice good sleep hygiene, making sure I get plenty of rest. So Ambien it is.
(If anyone is wondering what I mean by "issues" with the Ambien, here is an example. I don't always remember things that take place after I take the med at night. A few weeks ago apparently I chatted with one of my son's friends on Facebook, but I have no recollection of typing and chatting with him, so that stuff scares me.) I feel like it's all a catch 22 and it is frustrating.