hypnagogic

hypnagogic definition - medical

hyp·na·gog·ic or hyp·no·gog·ic (hĭpˌnə-gŏjˈĭk, -gōˈjĭk)

adjective
  1. Inducing sleep; soporific.
  2. Of or relating to the state of drowsiness preceding sleep.
  3. Relating to the images or hallucinations sometimes perceived during this state.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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