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

  • intransitive v. To walk or perform other motor acts while asleep; somnambulate.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To walk and/or perform other actions while sleeping; to somnambulate.

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

  • v. walk in one's sleep


Back-formation from sleepwalking.
(American Heritage® Dictionary of the English Language, Fourth Edition)
sleep +‎ walk (Wiktionary)



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