Sleepwalk-driving, or more commonly known as sleep-driving, is a rare phenomenon where the person drives a

motor vehicle A motor vehicle, also known as motorized vehicle or automotive vehicle, is a self-propelled land vehicle, commonly wheeled, that does not operate on rails (such as trains or trams) and is used for the transportation of people or cargo. The ...

while they are

sleepwalking Sleepwalking, also known as somnambulism or noctambulism, is a phenomenon of combined sleep and wakefulness. It is classified as a sleep disorder belonging to the parasomnia family. It occurs during slow wave stage of sleep, in a state of low ...

. If stopped by police, sleepwalk-drivers are totally incapable of having any interaction with the police, if they are still sleepwalking during the event. Sleepwalk-driving can occur to people who normally don't experience sleepwalking, since some medications, especially

Ambien Zolpidem, sold under the brand name Ambien, among others, is a medication primarily used for the short-term treatment of sleeping problems. Guidelines recommend that it be used only after cognitive behavioral therapy for insomnia and behavior ...

and Lunesta, can cause sleepwalking as unwanted side effect.

Cases

There has been a case, where a person driving a car, ended up in fatal accident, running over another person, but claimed that he was sleepwalk-driving while the scenario took place.

References

{{Sleep Driving Sleepwalking