What cause nightmares and what is the meaning behind nightmares?

“Sleep medicine Dr. Jose Colon says bad dreams can cause your body distress while you’re sleeping.”

“What are some of the most common nightmares? What are they are trying to tell you?”

“Harris practices Imagery Rehearsal Therapy, which teaches patients to take control of nightmares”

“Author Barbie Breathitt reveals how dreams can bring direction to people’s lives.”