sleep machine

noun

A portable speaker placed near one's bed or under a pillow, intended to play sleep-inducing white noise or other repetitive sounds to help the user sleep; occasionally other functions such as aromatherapy are included.

Similar
sound machinewhite noise machine
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Meanings

nounsleep machine (plural sleep machines)

plural sleep machines

  1. A portable speaker placed near one's bed or under a pillow, intended to play sleep-inducing white noise or other repetitive sounds to help the user sleep; occasionally other functions such as aromatherapy are included.

    Synonyms: sound machine, white noise machine

Synonyms & antonyms

nounA portable speaker placed near one's bed or under a pillow, intended to play sleep-inducing white noise or other repetitive sounds to help the user sleep; occasionally other functions such as aromatherapy are included.

Similar
sound machinewhite noise machine
Also see
sound machinewhite noise machine
Cite this entry
APA

sleep machine. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sleep%20machine

MLA

“sleep machine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sleep%20machine. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sleep machine,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sleep%20machine.

Source: sleep machine on Wiktionary, CC BY-SA 4.0.