7B01.2

ICD-11 MMS 2026-01

Nightmare disorder

Description

Nightmare disorder is characterised by recurrent, vivid and highly dysphoric dreams, often involving threat to the individual, that generally occur during REM sleep and that often result in awakening with anxiety. The person is rapidly oriented and alert upon awakening.

Index terms

  • Nightmare disorder
  • Dream anxiety disorder
  • nightmare
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  • nightmares nos

Inclusions

  • Dream anxiety disorder

Sibling codes

  • 7B01.0 – REM sleep behaviour disorder
  • 7B01.1 – Recurrent isolated sleep paralysis
  • 7B01.Y – Other specified parasomnias related to REM sleep
  • 7B01.Z – Parasomnias related to REM sleep, unspecified

Foundation entity

Nightmare disorder – http://id.who.int/icd/entity/1900730309

Part of: 7B01: Parasomnias related to REM sleep › 07: Sleep-wake disorders