Sleep walking in medical term is known as somnambulism. Some person may experience this when on delirious stage at the peak of a fever while these occurs in some children when affected by night terrors. For some people, it is normal to sleep walk but it can be very dangerous. People who sleep walk tend to do regular things such as cooking, driving or even going out of the house. This can be a cause of accident because a person is not really conscious of what they are doing.