hypnagogic

[ hip-nuh-goj-ik, -goh-jik ]
/ ˌhɪp nəˈgɒdʒ ɪk, -ˈgoʊ dʒɪk /

adjective

of or relating to drowsiness.
inducing drowsiness.

Origin of hypnagogic

1885–90; < French hypnagogique; see hypn(o)-, -agogue, -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for hypnagogic

hypnagogic

hypnogogic

/ (ˌhɪpnəˈɡɒdʒɪk) /

adjective

psychol of or relating to the state just before one is fully asleepSee also hypnagogic image, hypnopompic

Word Origin for hypnagogic

C19: from French hypnagogique; see hypno-, -agogic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for hypnagogic

hypnagogic

adj.

Inducing sleep; soporific.
Of or relating to the state of drowsiness preceding sleep.
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.