sleep like a log

Idioms  

1. 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.

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Example Sentences

He would have given almost anything to throw himself at full length upon the dewy deck and sleep like a log, even for a couple of hours, but such a privilege was denied him.

From With Beatty off Jutland A Romance of the Great Sea Fight by Westerman, Percy F. (Percy Francis)

So it might under ordinary circumstances, but unusual fatigue made him sleep like a log.

From The Young Miner or Tom Nelson in California by Alger, Horatio

Next morning's feeds have first to be made up, and then you sleep like a log, if you can, that is.

From In the Ranks of the C.I.V. by Childers, Erskine

He’s the only one of us didn’t sleep like a log.

From Dorothy on a House Boat by Raymond, Evelyn

Every day I was up at dawn, clearing, planting, working on my house, and at night when I threw myself on my bed it was to sleep like a log till morning.

From Moon and Sixpence by Maugham, W. Somerset (William Somerset)