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intr.v. som·nam·bu·lat·ed, som·nam·bu·lat·ing, som·nam·bu·lates
To walk or perform another act while asleep or in a sleeplike condition.

som·nam′bu·lar (-lər) adj.
som′nam·bu·la′tion n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.somnambulation - walking by a person who is asleepsomnambulation - walking by a person who is asleep  
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
References in periodicals archive ?
The metaphor that controls Shangri-La, "Blue Moon" (Karakal), is unique in its application of ironic stillness as the operating function of an ambulatory satellite; the metaphor aligns with readings of Shangri-La as a reserve of the past and brings with it connotations of somnambulation apropos to the dream world.
Usually, I meander naked down the corridor to my office (averting my eyes from the full length mirror) before struggling into clothes whilst in a state of near somnambulation.