the GNU version of the Collaborative International Dictionary of English
n. The act of walking in sleep, called also sleepwalking.
The Century Dictionary and Cyclopedia
n. The act of walking in sleep; somnambulism.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. walking by a person who is asleep
Word Usage
""Where was government regulation before this crisis was happening?" he asks Markey, who is too good a guy to come back with "Enjoying a media-enabled period of extended somnambulation, maybe?""