Nightmares


Definition

A nightmare is a bad dream that brings out strong feelings of fear, terror, distress, or anxiety.

 

Common Causes

Nightmares usually begin before age 10 and are most often considered a normal part of childhood. They tend to be more common in girls than boys. Nightmares may be triggered by seemingly routine events, such as starting at a new school, taking a trip, or a mild illness in a parent.

Nightmares may continue into adulthood. They can be just one way our brain has of dealing with the stresses and fears of everyday life. One or more nightmares over a short period of time may be caused by:

  • A major life event, such as the loss of a loved one or a traumatic event
  • Increased stress at home or work

Nightmares may also be triggered by:

  • A new drug prescribed by your health care provider
  • Abrupt alcohol withdrawal
  • Drinking too much alcohol
  • Eating just before going to bed
  • Illegal street drugs
  • Illness with a fever
  • Over-the-counter sleep aids and medicines
  • Stopping certain drugs, such as sleeping pills or narcotic pain pills

Repeated nightmares may also be a sign of:

  • Breathing disorder in sleep (sleep apnea)
  • Post-traumatic stress disorder (PTSD), which can occur after you've seen or experienced a traumatic event that involved the threat of injury or death
  • More severe anxiety disorders or depression
  • Sleep disorder (for example, narcolepsy or sleep terror disorder)

References

Moore DP, Jefferson JW. Nightmare disorder. In: Moore DP, Jefferson JW, eds. Handbook of Medical Psychiatry. 2nd ed. Philadelphia, Pa: Mosby Elsevier; 2004:chap 123.

Moser SE, Bober JF. Behavioral problems in children and adolescents. In: Rakel RE, ed. Textbook of Family Medicine. 7th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 33.


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Review Date: 3/7/2012
Reviewed By: Fred K. Berger, MD, Addiction and Forensic Psychiatrist, Scripps Memorial Hospital, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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Last Updated 4/24/2012
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