sleep machine

Fetched 2026-10-26 (cache).

Synonyms: step machine

Antonyms: step machine

Related words from Datamuse; suggestions, not definitions.

Noun

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.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.