Rare diseases · Sign or symptom

Sleep related hallucination

HP:4000063

What it means

Hallucination during onset/falling asleep in any sensory modality, usually auditory, visual, or tactile.

Part of the broader category

Sleep related hallucination

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This 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.