Sleep like a log

Meaning

Sleep very soundly.

Usage

Used when praising restful nights.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Logs lie immobile and still, symbolizing deep sleep.

Found in English folk speech in the 19th century.