Search Result for "cause to sleep":
Wordnet 3.0

VERB (1)

1. make fall asleep;
- Example: "The soft music caused us to fall asleep"



WordNet (r) 3.0 (2006):

cause to sleep
    v 1: make fall asleep; "The soft music caused us to fall asleep"
         [ant: arouse, awaken, rouse, wake, wake up,
         waken]