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Sleep driving, also known as sleepwalk driving, is a rare phenomenon where the person drives a motor vehicle while they are sleepwalking. 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 zolpidem and eszopiclone, can cause sleepwalking as unwanted side effect.
Cases
A case of a fatal hit-and-run accident involving the driver claiming to be sleep-driving has been recorded. However, no evidence of the claims could be found by a sleep expert during the following trial.
Highway hypnosis, an altered mental state in drivers that result in them driving for significant distances, responding to stimuli in the correct manner, but with no memory of the time spent driving