somnambulism
n. துயில் நடை, துயில் இயக்கம், துயில் நடைப்பண்பு, துயிலியக்கந் தூண்டும் முளை நிலை.
Som*nam"bu*lism, n. Etym: [Cf. F. somnambulisme. See Somnambulation.] Defn: A condition of the nervous system in which an individual during sleep performs actions approppriate to the waking state; a state of sleep in which some of the senses and voluntary powers are partially awake; noctambulism.