When someone gets out of bed and walks around while still asleep, that person is sleepwalking. If you have ever seen a sleepwalker, you have probably noticed certain characteristics. Some people have mild episodes and may only sit up in bed. Other people have been known to get out of bed, walk up and down stairs, leave buildings, and so forth. Some people may try to eat, drink, or use the bathroom while asleep.
Many children sleepwalk.
Out of ten average children, between one and three will sleepwalk at some time. Most children will grow out of it by age 15. Sleepwalking runs in families to a large extent. It occurs in equal numbers of boys and girls. There is a myth that it is dangerous to wake a sleepwalker.