Racing Thoughts

I know every single person who has bipolar had experienced racing thoughts at one time or another. For me the thoughts seem to be positive, I just think way to much and cannot sleep at night. I can say that I have been getting better. All of my thoughts I just write down in a note book or journal and review them later.

What do you do when you can't sleep at night?

Here is a picture of a brain when normal, depressed, and manic