'Hypnagogic' definitions:

Definition of 'hypnagogic'

(from WordNet)
adjective
Sleep inducing [syn: soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic]

Definition of 'Hypnagogic'

From: GCIDE
  • Hypnagogic \Hyp`na*gog"ic\, a. [Gr. ? sleep + ? a carrying away.] Leading to sleep; -- applied to the illusions of one who is half asleep. [1913 Webster]