Personally I find the idea of dreams and nightmares quite interesting.
One thing about dreams I always find cool is that your brian NEVER invents a single person. Whether you remember or not, everybody in your dream is real.
Persnally more often than not, I've been experiencing lucid dreams. This is dreams, where you figure out you are actually dreaming inside the dream. Something unrealistic might trigger it. I tend to have these kinds of ones more often than not, but trust me they can get terrifying. In my case I get tortured a lot lol.
I believe people when they tell me you are parylyised while you sleep. I try to stop someone in the dream and I can't move. Anyone ever experience anything quite like this?