hyp·no·go·gic /ˌhɪpnəˈgɑʤɪk, ˈgo-/
hyp·no·go·gic /ˌhɪpnəˈgɑʤɪk, ˈgoʤɪk/ 形容詞
hypnogogic adj : sleep inducing [syn: soporific, soporiferous, somniferous, somnific, hypnagogic]