cause to sleep cause to be perceived • causeful · · · Info · Definitions · Antonyms · Characters · · cause to sleep · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (verb) make fall asleep. Synonyms: cause to sleep. Example: "The soft music caused us to fall asleep." · · Verb Definition 1 Antonyms · · · awaken · · Antonym 0 wake · · Antonym 1 waken · · Antonym 2 rouse · · Antonym 3 wake up · · Antonym 4 arouse · · Antonym 5 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075