Hypnic headache

Definition

A rare headache characterized by recurrent brief, intense headache attacks occurring exclusively during sleep, typically at the same time of the night, causing the patient to wake up. The pain usually lasts more than 15 minutes after waking. It is mostly bilateral and may be associated with nausea, photophobia, or phonophobia, while characteristically no autonomic symptoms are present.

Disease data

Classification

Disease

ORPHA code

276429

OMIM code

ICD10 code

G44.8

ICD11 code

8A83

*Soruce