sleepwalk

verb

sleep·​walk ˈslēp-ˌwȯk How to pronounce sleepwalk (audio)
sleepwalked; sleepwalking; sleepwalks

intransitive verb

1
: to walk while or as if while asleep
2
: to proceed in a passive often lethargic manner
sleepwalked through the workday
sleepwalk noun
sleepwalker noun

Examples of sleepwalk in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Her tendency to sleepwalk (a side effect of taking lithium), exacerbated by stressful family situations and an equally stressful job, has already gotten her into trouble more than once. Agnieszka Szpila, Harpers Magazine, 24 Mar. 2026 Seemingly sleepwalking toward a record streak, which has highlighted his constancy, should certainly help. Joel Lorenzi, New York Times, 13 Mar. 2026 Hosting, decorating, and social causes — these are all in the typical realm of a First Lady, but Melania seems to be sleepwalking through them. Adriane Quinlan, Curbed, 30 Jan. 2026 This didn’t feel like a team sleepwalking through a trip to Manhattan. C.j. Holmes, New York Daily News, 22 Jan. 2026 See All Example Sentences for sleepwalk

Word History

First Known Use

1842, in the meaning defined at sense 1

Time Traveler
The first known use of sleepwalk was in 1842

Browse Nearby Words

Cite this Entry

“Sleepwalk.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sleepwalk. Accessed 26 Mar. 2026.

Kids Definition

sleepwalk

verb
sleep·​walk ˈslēp-ˌwȯk How to pronounce sleepwalk (audio)
: to walk while or as if while asleep
sleepwalker noun

More from Merriam-Webster on sleepwalk

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster