Here are 7 things that scientists know about sleepwalking

Sleepwalking is strange: a person is asleep, but they are also moving around on their feet.

If you know someone that sleepwalks, you undoubtedly have a ton of questions, such as: Should I wake them up? Can they hurt themselves? Can they hurt me?

Somnambulism, as it is called in the medical world, is actually a fairly common disorder. We've compiled a list of what scientists know about sleepwalking. Take a look.