dormitive means causing sleep. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From French dormitif, from the verb dormir (“to sleep”)
adj
- Causing sleep.“But "imitation" throws no light upon why they so act; it repeats the fact as an explanation of itself. It is an explanation of the same order as the famous saying that opium puts men to sleep because of its dormitive power.”
noun
- A medicine to promote sleep; a soporific or opiate.