7B02.0

ICD-11 MMS 2026-01

Hypnagogic exploding head syndrome

Description

Hypnagogic exploding head syndrome is characterised by the perception of a sudden, loud noise or sense of a violent explosion in the head that typically occurs as the individual is falling asleep. On occasion, these episodes may occur with awakening during the night. They are associated with abrupt arousal following the event, often with a sense of fright.

Index terms

  • Hypnagogic exploding head syndrome
  • Hypnagogic sensory disturbance

Inclusions

  • Hypnagogic sensory disturbance

Sibling codes

  • 7B02.1 – Sleep-related hallucinations
  • 7B02.2 – Parasomnia disorder due to a medical condition
  • 7B02.3 – Parasomnia disorder due to a medication or substance

Foundation entity

Hypnagogic exploding head syndrome – http://id.who.int/icd/entity/1393951214

Part of: 7B02: Other parasomnias › 07: Sleep-wake disorders