To imagine while sleeping that you are a somnambulist, portends that you will unwittingly consent to some agreement of plans which will bring you anxiety or ill fortune.
Dream dictionary: somn dream meanings
Dreaming of yourself sleepwalking may be that its actually happening, for many dreams are produced precisely in a state of somnambulism. The warning of this dream is that deals are usually closed without a complete understanding, or as its generally said, being half-asleep, above the clouds or on the moon, which doesnt always work.
Means that you do not feel grounded to this world.
To dream of walking in sleep, shows sickness and fever.