somnifacient


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som·ni·fa·cient

 (sŏm′nə-fā′shənt)
adj.
Tending to produce sleep; hypnotic.

som′ni·fa′cient n.

somnifacient

(ˌsɒmnɪˈfeɪʃənt) med
n
(Medicine) a sleep-inducer
adj
(Medicine) inducing sleep

som•ni•fa•cient

(ˌsɒm nəˈfeɪ ʃənt)

adj.
1. causing or inducing sleep.
n.
2. a drug or other agent that induces or tends to induce sleep.
[1885–90; < Latin somn(us) sleep + -i- -i- + -facient]
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somnifacient

adjectivenoun
Something that induces sleep or sedation:
References in periodicals archive ?
Had the generations of children to whom the poem has been read as a Christmas Eve somnifacient known the latent content of Moore's vinous visions, more than sugar plums would have danced in their heads.