hyp·na·gog·ic adjective orhyp·no·gog·ic\|hipnə|gäjik\ Etymology:hypnagogic from French hypnagogique, from hypn- + -agogique (from Greek -agōgikos as in paidagōgikos pedagogic); hypnogogic, alteration of hypnagogic : of, relating to, or associated with the drowsiness preceding sleep < hypnagogic hallucinations > — opposed to hypnopompic