Wordnet polsko-angielski 
                         (a sedative that depresses activity of the central nervous system and reduces anxiety and induces sleep) 
sedative-hypnotic, sedative-hypnotic drug 
synonim: hipnotyk
Słownik medyczny polsko-angielski Iwona Kienzler
                        hypnotic drug, sleep-inducing drug
Wielki słownik medyczny polsko-angielski 2011 r., Anna Słomczewska
                        hypnagogue, hypnotic drug, soporific drug, sleep-inducing drug
Nowoczesny słownik polsko-angielski 
                        soporific drug
barbiturate
sleeping pill
soporific
hypnotic
sleep-inducing drug