Here's a thought I had at 2 am this morning when I couldn't sleep. I'm a hamster on steroids on a wheel and I can't stop. Or the image of a mustang floated into my head of galloping, and disappearing. The feeling of being unable to stop the thoughts. Lying in bed, telling myself relax, breathe deeply calmly and doing that for like 5 mins. and then the mind starts spinning again.
It's really not fun. At all.