Definition of to sleep
: until one/someone falls asleep The baby cried himself to sleep. I rocked the baby to sleep.
Word by Word Definitions
: to rest in a state of sleep
: to be in a state (as of quiescence or death) resembling sleep
: to be slumbering in
Seen and Heard
What made you want to look up to sleep? Please tell us where you read or heard it (including the quote, if possible).