This is a behavior disorder that usually affects your deep sleep. During a sleepwalking episode, you may get out of bed, perform complex tasks and interact with other people. But you are still in a state of sleep, and you aren't aware of what you are doing. When you wake up, you may have no memory of what you did. This can be dangerous. It can cause problems in your life.
This diagnostic test is a study of the body and the brain waves during sleep. It is performed to identify sleep disorders. A sleep study can identify problems such as sleep apnea, narcolepsy, limb movement disorders and behavior disorders. A sleep study can also help a doctor determine the best course of treatment for a person who has a sleep disorder. The study may be performed at a hospital or a sleep center.