Not being able to sleep has been a lifetime issue. When I was younger, I loved it. I got 2-3 more hours out of a day than most people. The world was quieter, no phone calls, and no interruptions from family. But after menopause, it changed. Heck, staying up until 2am means I am not functional the next day.
It doesn't matter whether it's too much caffeine or chocolate or excitement or worry, losing sleep sucks. So I've learned lots of tricks. Besides the ones I already mentioned, here are a few more.