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What causes nightmares in adults?

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They can happen randomly, and there can be a lot of things that affect whether you have a nightmare. Some people have them after a late-night snack. Some meds are known to make nightmares more likely. And withdrawal from medications and substances, including alcohol and tranquilizers, may trigger nightmares. Sleep deprivation is another cause. There are also psychological triggers, and some sleep disorders are causes, too.

From: Nightmares in Adults WebMD Medical Reference

SOURCES:

American Sleep Association: "Nightmares."

Medline Plus Medical Encyclopedia: "Nightmares."

Medical College of Wisconsin: "Nightmares, Sleepwalking and Night Terrors Haunt Many."

American Academy of Sleep Medicine: "Nightmares."

National Center for Posttraumatic Stress Disorder: "Nightmares."

Levin, R., , March 2002. Sleep

American Academy of Family Physicians: "Nightmares and Disorders of Dreaming."

Reviewed by Carol DerSarkissian on May 15, 2019

SOURCES:

American Sleep Association: "Nightmares."

Medline Plus Medical Encyclopedia: "Nightmares."

Medical College of Wisconsin: "Nightmares, Sleepwalking and Night Terrors Haunt Many."

American Academy of Sleep Medicine: "Nightmares."

National Center for Posttraumatic Stress Disorder: "Nightmares."

Levin, R., , March 2002. Sleep

American Academy of Family Physicians: "Nightmares and Disorders of Dreaming."

Reviewed by Carol DerSarkissian on May 15, 2019

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