ICD-11 classes
06 Mental, behavioural or neurodevelopmental disorders
07 Sleep-wake disorders
Parasomnia disorders
7B02 — Other parasomnias
7B02.0 — Hypnagogic exploding head syndrome

ICD-11 7B02.0 — Hypnagogic exploding head syndrome

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.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

• Other parasomnias #6591