Driving a motor vehicle with the seat reclined all the way back so that the driver's head is difficult to see in the car.
Tito: Yo man, there ain't nobody driving that car over there...
Rashad: Yes there is fool, he be sleep driving!
The act of driving somewhere and not remembering any of the drive. Usually comes about if you are tired while operating a moterized vehicle.
Guy 1- Gotta go to sleep so I dont sleep drive tommorow
Guy 2- Sleep driving?
Guy 1- Yeah, you know, when you dont remember any of the drive once you arrive at your destination
Guy 2-Oh Yeah