a. and sb. Med. Also anthypn-. [f. ANTI- 3 + Gr. ὑπνωτικ-ός sleepy. The Gr. would have been ἀνθυπν-, anthypn-.] A. adj. Tending to prevent sleep. B. sb. A medicine, etc., so used.
1681. trans. Willis’s Rem. Med. Wks., Antihypnotics.
1693. Sir T. Blount, Nat. Hist., 110. Those who write of Coffee, do almost all reckon it amongst the Antihypnoticks.
1839. Hooper, Med. Dict., 135. Anthypnotic.
