sleep-related hallucinations
Sleep-related hallucinations (or sleep hallucinations) are seeing, hearing, feeling, or smelling something that isn’t actually there while you’re falling asleep or waking up.
Doctors may call these:
- Hypnagogic hallucinations (when you’re falling asleep)
- Hypnopompic hallucinations (when you’re waking up)
Synonyms:
sleep hallucinations, hypnagogic hallucinations, hypnopompic hallucinations