sleepwalking

unissakävely The act of walking while not conscious or aware of it, during one's sleep.
2005, Marshall Brown, The Gothic Text (page 56)

The play presents a whole gamut of such causes, from irrational passions, omens, prophecies, haunted sleepwalkings, nightmares, prodigies of nature, and conjurings, to Laius's ghost in four incarnations (..)