[ sleep-in ]

  1. a person who sleeps in at a place of employment.

Origin of sleep-in

First recorded in 1950–55; adj., noun use of verb phrase sleep in

Words Nearby sleep-in Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sleep-in in a sentence

  • So accustomed had we been to exposure that we could hardly sleep in-doors.

    Cast Away in the Cold | Isaac I. Hayes

British Dictionary definitions for sleep in

sleep in

verb(intr, adverb)
  1. British to sleep longer than usual

  2. to sleep at the place of one's employment

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with sleep-in


Sleep at one's place of employment, as in They have a butler and maid who both sleep in. [First half of 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.