from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act or an instance of walking or performing another activity associated with wakefulness while asleep or in a sleeplike state. Also called noctambulism, somnambulism.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of walking while not conscious or aware of it.
  • v. Present participle of sleepwalk.

from the GNU version of the Collaborative International Dictionary of English

  • n. Walking in one's sleep.

from The Century Dictionary and Cyclopedia

  • n. Somnambulism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. walking by a person who is asleep


Sorry, no etymologies found.


  • The word sleepwalking does well to be an oxymoron, a combining of two incompatibles, for to walk while you sleep is to go against nature.


  • A study by Travelodge found a seven-fold increase in sleepwalking customers in the past year, to more than 400 cases — almost all of them men.

    Hotels Train Staff For Naked Sleepwalkers | Impact Lab

  • The Jews of Budapest have been described as sleepwalking towards a terrible fate.

    I'm not angry with Edith any more

  • Patients who are not just sleepwalking, which is what that statement talks about, or sleep - eating.

    CNN Transcript Mar 16, 2006

  • What other kinds of things do you see in patients who are not just sleepwalking, which is what that statement talks about, but sleep-eating?

    CNN Transcript Mar 16, 2006

  • For while my reason told me that I had been the intruder, my intuition continued to insist that my sleepwalking was a result, not a cause.

    The Confession

  • Some psychologists call sleepwalking an extreme form of absent-mindedness.

    Modern Mechanix

  • The Federal Health Department has received 16 separate reports of odd "sleepwalking" behaviour caused by the drug Stilnox, The Sydney Morning Herald reports.

    Boing Boing

  • Obama were 4k v. 12k; what kind of sleepwalking is required to get 400% increase instead of 200% increase?

    Reduce Government Beaurocracy!

  • Although the years between 3 and 12 used to be considered the "golden age" of sleep (between the obstacles of babyhood and adolescence), more recent research has shown that almost a third of elementary-age children experience sleep problems such as sleepwalking, night terrors, trouble falling asleep or narcolepsy.

    Why Sleep Matters

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • Artie claims he does this when he eats late.

    October 24, 2012