Word.ws English Dictionary

sleep aid

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

Noun

sleep aid (plural sleep aids)

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

Synonyms of sleep aid

Forms of sleep aid

pluralsleep aids
alternative formsleepaid

Questions about sleep aid

What does sleep aid mean?
Sleep aid means any drug, nutritional supplement, device, or behavioral method used to help a person to fall asleep, stay asleep, or have better sleep quality.
What part of speech is sleep aid?
Sleep aid is a noun.
What is the plural of sleep aid?
The plural of sleep aid is sleep aids.

Words near sleep aid in the dictionary

  1. sleeky
  2. Sleeman
  3. Sleemans
  4. sleep
  5. sleep a wink
  6. sleep aid
  7. sleep apnea
  8. sleep apneas
  9. sleep apnoea
  10. sleep apnoeas
  11. sleep around

Source and license

Adapted from Wiktionary: sleep aid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-sleep aid.wav.

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