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nightmare

Also known as Bad dream, Nightmares

thumb|The Nightmare ([[Henry Fuseli, 1781), Detroit Institute of Arts]]

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I cannot write an accurate overview of "nightmare" based solely on an image caption that only identifies a painting title, artist, and date. To provide a plain-language, factually accurate explanation of what nightmares are and why they matter, I would need additional context about the subject itself, which is not provided in your source material.

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Key facts

Medical condition (new).name: Nightmare
Medical condition (new).field: Sleep medicine, psychology, psychiatry
Medical condition (new).causes: Stress, anxiety, fever

via Wikipedia infobox

~10 min read

Encyclopedic overview

12 sections

Contents

Etymology
History and folklore
Signs and symptoms
Classification
Cause
Treatment
Post-traumatic stress disorder
Medication
See also
References
Further reading
External links

thumb|The Nightmare ([[Henry Fuseli, 1781), Detroit Institute of Arts]]

A nightmare, also known as a bad dream, is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. The dream may contain situations of discomfort, psychological or physical terror, or panic. After a nightmare, a person will often awaken in a state of distress and may be unable to return to sleep for a short period of time. Recurrent nightmares may require medical help, as they can interfere with sleeping patterns and cause insomnia.

Excerpted from Wikipedia’s “nightmare” article, available under the CC BY-SA 4.0 licence.

nightmare

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