What does "sleep aid" mean?

Any drug, nutritional supplement, device, or behavioral method used to help a person to fall asleep, stay asleep, or have better sleep quality.

What is a synonym for "sleep aid"?

Common synonyms include: melatonin, sedatives, trazodone, valerian.

noun

noun ·Rare ·Advanced level

Noun

1
Any drug, nutritional supplement, device, or behavioral method used to help a person to fall asleep, stay asleep, or have better sleep quality.
2
Any drug, nutritional supplement, device, or behavioral method used to help a person to fall asleep, stay asleep, or have better sleep quality.; A pill (containing a drug or nutritional supplement) for this purpose. often, specifically
"Near-synonym: sleeping pill"