sleeping
Americannoun
adjective
-
of, relating to, or having accommodations for sleeping.
a sleeping compartment.
-
used to sleep in or on.
a sleeping jacket.
-
used to induce or aid sleep or while asleep.
sleeping mask.
Other Word Forms
Etymology
Origin of sleeping
Middle English word dating back to 1250–1300; see origin at sleep, -ing 1, -ing 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A world premiere by Gregory Spears casts a veil of dream-like haunting over the story of Sleeping Beauty.
From The Wall Street Journal • Apr. 26, 2026
Away from the camera, Muldoon - who had a band called The Sleeping Masses - also worked behind the scenes, producing films such as The Tribes of Palos Verdes, Arkansas and Marlowe.
From BBC • Apr. 20, 2026
The BBC visited a sprawling Amorepacific factory outside South Korea's capital Seoul, where a handful of workers oversaw fully automated production lines bottling Laneige's Water Sleeping Mask and CosRX's Vitamin C 23 Serum.
From BBC • Jan. 2, 2026
Sleeping is a particular issue aboard Air Force One, where Trump keeps his advisers awake, according to aides.
From The Wall Street Journal • Jan. 1, 2026
“Up on the battlements, or in the hall. Sleeping, drinking. I’ll take you if you like.”
From "A Dance with Dragons" by George R. R. Martin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
