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.
The researchers also collected information about each person's sleeping habits, personality, cognitive abilities, and psychological characteristics.
From Science Daily ● Jul. 27, 2026
He said pet CVs should be used and landlords should consider the circumstances more carefully, such as older dogs being calmer and sleeping more, rather than simply ruling out tenants with large or multiple pets.
From BBC ● Jul. 26, 2026
Behind him some eat or line up for coffee, while others try to rest on air mattresses or sleeping mats.
From Barron's ● Jul. 25, 2026
And finally, they react to the Japanese prime minister’s recent claim of sleeping zero to three hours a night.
From Slate ● Jul. 25, 2026
She had her sleeping mask on, and Orion, because he was smaller than most dogs, was curled on her lap.
From "The Way to Rio Luna" by Zoraida Cordova
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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.