noctambulism

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noc·tam·bu·lism

(nŏk-tăm′byə-lĭz′əm) also noc·tam·bu·la·tion (-tăm′byə-lā′shən)

[noct(i)- + Latin ambulāre, to walk + -ism.]

noc·tam′bu·list n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

noctambulism

(nɒkˈtæmbjʊˌlɪzəm) or

noctambulation

(Psychology) another word for somnambulism

[C19: from Latin nox night + ambulāre to walk]

nocˈtambulist n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

noc•tam•bu•lism

(nɒkˈtæm byəˌlɪz əm)

n.

sleepwalking.

[1855–60; < Latin noct-, nox night + ambul(āre) to walk]

noc•tam′bu•list, n.

noctambulism

somnambulism. Also noctambulation. — noctambulist, noctambule, n. — noctambulous, noctambulant, noctambulisdc, adj.

See also: Sleep

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Noun

noctambulism - walking by a person who is asleep

noctambulation, sleepwalking, somnambulation, somnambulism

walk, walking - the act of traveling by foot; "walking is a healthy form of exercise"

sleeping - the suspension of consciousness and decrease in metabolic rate

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According to Wikipedia, sleepwalking -- also called somnambulism or noctambulism -- is a sleep disorder that makes sufferers engage in activities that are normally associated with being awake, while being asleep or in a sleep-like state.