Investigators say it all started around 2:30 a.m., when officers found the man slumped over the steering wheel of his car at 66th and Ogontz in the West Oak Lane section of the city.
Police called for medics.
But just as the rescue crew arrived the driver awoke and panicked.
As he tried to race away from the scene police say he slammed into the rear of the medic vehicle.
Then officers say he just kept on going.
There were no injuries.