From Longman Dictionary of Contemporary Englishsend somebody to sleepsend somebody to sleepa) to make someone go to sleep The combination of warmth and music sent him to sleep. b) if something sends someone to sleep, it is extremely boring → sleep
Examples from the Corpus
send somebody to sleep• It was also brief because, as explained above, it simply sends me to sleep.• However, the new research opens up the prospect of a far more effective treatment that simply sends the cancers to sleep.• To send them to sleep, she said.• The endless incomprehensible stream of language was sending Alan to sleep on his feet. 