somnambulation
n 1: walking by a person who is asleep [syn: {sleepwalking},
{somnambulism}, {somnambulation}, {noctambulism},
{noctambulation}]
Somnambulation \Som*nam`bu*la"tion\, n. [L. somnus sleep +
ambulatio a walking about, from ambulare to walk. See
{Somnolent}, {Amble}.]
The act of walking in sleep, called also {sleepwalking}.
[1913 Webster]