Severe nightmares every night?

Sounds like PTSD, Post Traumatic Stress Disorder. He may have had a severe trauma in his life that causes him to relive it. He may have been beaten, raped, humiliated or some other traumatic event. He needs help. There are soldiers who have lived with this untreated for 50 years and it is as fresh today as it was the day it happened. Call a counselor today!