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sleep machine. In DICTIOUS you will not only get to know all the dictionary meanings for the word
sleep machine, but we will also tell you about its etymology, its characteristics and you will know how to say
sleep machine in singular and plural. Everything you need to know about the word
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English
Noun
sleep machine (plural sleep machines)
- 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.