sleep like a baby(redirected from slept like a baby)
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sleep like a baby
To experience a very deep and restful sleep; to sleep soundly. I can't believe you finished a triathlon! You're going to sleep like a baby tonight. I have to set numerous alarms for the morning because I sleep like a baby every night!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.