sleepwalker
Americannoun
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a person who walks, eats, or performs other motor acts while asleep and is unaware of doing so upon awakening; a person with a disorder characterized by this.
A sleepwalker may do something that could cause injury, such as climbing out of a window or walking into objects.
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a person who acts seemingly without awareness, feeling, aim, or will.
My parents were sleepwalkers, moving about their world as if oblivious to it and to themselves.
Etymology
Origin of sleepwalker
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.
“All around hangs a slumber upon these halls, and things as yet unfathomed still occur,” the Fraulein intones like a sleepwalker.
From The Guardian • Jun. 19, 2020
Let’s hope he was allowed to wander back to the locker room without interruption, as waking a sleepwalker can be very dangerous.
From Slate • May 4, 2019
The suspenseful tale centers on the death of one of those blondes, 47-year-old Annalee Ahlberg, an architect, mother of two and a chronic sleepwalker.
From Washington Post • Dec. 25, 2016
"He was a sleepwalker as a kid. I told Carl Reiner about it, and that's why he wrote it into the script."
From Los Angeles Times • Apr. 22, 2015
And I was happy in those first days as really I’d never been before, roaming like a sleepwalker, stunned and drunk with beauty.
From "The Secret History" by Donna Tartt
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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.