Somniferous vs. Soporific: What's the Difference?

Inducing sleep; soporific.

Inducing or tending to induce sleep.

(pharmaceutical effect) causing or inducing sleep, normally with harmful overtones.

Drowsy.

Causing or inducing sleep; soporific; dormitive; as, a somniferous potion.

A drug or other substance that induces sleep; a hypnotic.

Sleep inducing

(pharmaceutical drug) Something inducing sleep, especially a drug.

(figuratively) Something boring or dull.

(pharmaceutical effect) Tending to induce sleep.

(figuratively) Boring, dull.

Causing sleep; tending to cause sleep; soporiferous; as, the soporific virtues of opium.

A medicine, drug, plant, or other agent that has the quality of inducing sleep; a narcotic.

A drug that induces sleep

Sleep inducing

Inducing mental lethargy;