• (a.) Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep.
Hyp`no·gen'ic adjective [ Greek ... sleep + root of ... to be born.] (Physiol.) Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep. De Watteville. 
Type: Term Pronunciation: hip′nō-jen′ik, -noj′ĕ-nŭs Definitions: 1. Relating to hypnogenesis. 2. An agent capable of inducing a hypnotic state. See: hypnosis
hypnogenic, hypnogenic 1. Producing sleep. 2. Productive of hypnosis or sleep, as a spot that, upon being touched by a subject, puts him/her into a hypnotic state.