somnambulation
som·nam·bu·lation
noun
1.
Origin
From Latin somnus (“sleep”) + ambulatio (“a walking about”), from ambulare (“to walk”). See somnolent, amble.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.