hypnagogic image

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A dreamlike image, often vivid and resembling a hallucination, generally accompanied by sleep paralysis, experienced by a person in the transition state from wakefulness to sleep. See also Isakower phenomenon. Compare hypnopompic image. [From French hypnagogique hypnagogic, from Greek hypnos sleep + agogos bringing + -ikos of, relating to, or resembling]

Subjects: Psychology.

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