[ars]

To answer both of you, it's basically sleepwalking. The person is not conscious, but is able to function in an instinctive manner.

There are stories of people in comas who were given a medication like zolpidem that wakes them, but it's actually sleepwalking and the person is not conscious. Search: https://www.google.com/search?q=zolpidem+coma

These kinds of cases can help explain what consciousness actually is, which is hardly a settled question.