Anyone alse on here get cluster headaches? Not Migraines..

I know this will sound dumb to folks who have never experienced this type of thing but I read this book 20+ years ago and it's where I first learned to control my brain, dreams.
Tales of Power book by Carlos Castaneda

It takes a long time and practice but now I can do it in the day light just by relaxing and using my mind to "see" the pitch black while my mi d is a small triangle of light sinking into it.

For me it's all about relaxing my mind, the body follows and it helps a lot.