Rare diseases · Sign or symptom
Parasomnia
HP:0025234
What it means
A clinically observable or self-reported abnormal behavior, experience, or physiological event that occurs in association with sleep, specific sleep stages, or sleep-wake transitions.
Parasomnias are distinct from the primary sleep disorders insomnia, hypersomnia, and circadian rhythm disturbances. They can involve motor, sensory, autonomic, or cognitive activation.
Part of the broader category
Also called: Event that disrupts sleep
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.