hypnagogicadj.
英 ,hɪpnə'gɒdʒɪk | 美 ,hɪpnə'gɑdʒɪk
中文adj. 使瞌睡的，催眠的；入睡前发生的
词根词源
hypnagogic (adj.)1868, from French hypnagogique, from Greek hypnos "sleep" (see somnolence) + agogos "leading" (see act). Etymologically, "inducing sleep," but used mostly with a sense "pertaining to the state of consciousness when falling asleep."
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