sleep like a log
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sleep like a log
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 log tonight. I have to set numerous alarms for the morning because I sleep like a log every night!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
sleep like a log
and sleep like a babyto sleep very soundly. Everyone in our family sleeps like a log, so no one heard the thunderstorm in the middle of the night. Nothing can wake me up. I usually sleep like a baby.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
sleep like a log
Also, sleep like a top. Sleep very soundly, as in I slept like a log, or She said she slept like a top. Both of these similes transfer the immobility of an object to that of a person who is sound asleep (since a top spinning quickly looks immobile). The first dates from the late 1600s; the variant is newer.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sleep like a log
COMMON If you sleep like a log, you have a very deep sleep. I slept like a log last night and feel full of energy.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
sleep like a log (or top)
sleep very soundly.Farlex Partner Idioms Dictionary © Farlex 2017
sleep like a ˈlog/ˈtop
(also sleep like a ˈbaby) (informal) sleep very well; sleep without waking: After our long walk yesterday, I slept like a log.Farlex Partner Idioms Dictionary © Farlex 2017
sleep like a
log/rock To sleep very deeply.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sleep like a log/top, to
To sleep very soundly. The earliest simile of this kind, now obsolete, is to sleep like a swine (pig/hog), which dates from Chaucer’s time. “I shall sleep like a top,” wrote Sir William Davenant in Rivals (1668), no doubt referring to a spinning top that, when spinning fast, is so steady and quiet that it seems not to move at all. This simile persists, particularly in Britain. To sleep like a log is more often heard in America, although it has English forebears back as far as the sixteenth century. An older cliché is to sleep the sleep of the just, meaning to sleep soundly, presumably because one has a clear conscience. Its original source is a 1695 translation of a passage from the French dramatist Jean-Baptiste Racine’s Summary of the History of Port-Royal.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer