hypnagogic hallucination

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hypnagogic hallucination

[¦hip·nə¦gäj·ik hə‚lüs·ən′ā·shən]
(psychology)
Mental images occurring normally while falling asleep.
References in periodicals archive ?
Hypnagogic images (images that occur just before one falls asleep) often arise spontaneously and feel very realistic.