Somnambulistic
Pronunciation : Som*nam`bu*lis"tic
Part of Speech : a.
Definition : Defn: Of or pertaining to a somnambulist or somnambulism; affected by somnambulism; appropriate to the state of a somnambulist. Whether this was an intentional and waking departure, or a somnambulistic leave-taking and waking in her sleep, may remain a subject of contention. Dickens.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder