Catalog
Hypnagogic exploding head syndrome
Link to WHO Definition
Hypnagogic exploding head syndrome – http://id.who.int/icd/entity/1393951214
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.