How do you get a nightmare?

Answer:
Nightmares are images for you imaganation and dreams and nightmares have a power that can make it real like 9/11 came from my power my dreams power if you dream right it can happen

A nightmare can also apear if a person who isn't use to his/her environment/ can't sleep or have some kind of drug's in the body it can be prefered to height amount of coffeine and/or sugar too.
First answer by Alec Maria. Last edit by DreadPoenix. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].