Medical Dictionary

hypnapagogic hyp·nap·a·gog·ic (hĭp-nāp'ə-gŏj'ĭk, -gō'jĭk)

  1. Causing wakefulness; preventing sleep.

  2. Of or relating to a state similar to the hypnagogic through which the mind passes while coming out of sleep.

  3. Relating to the images or hallucinations sometimes perceived during this state.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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