The Tesla self-driving car has prompted debate online after the man was seen on the I-5 highway near Santa Clarita, California sleeping while driving. A Tesla driver was filmed asleep at the wheel as the semi-autonomous vehicle cruised on its own down a highway in Massachusetts over the weekend. At least, that's what video captured Sunday appears to show. Twitter user Dakota Randall posted a 28-second clip of the incident which occurred along the Massachusetts Turnpike. Teslas are sick, I guess?" The post has since received over 422,000 views, 600 Retweets and almost 2,000 likes. The video appears to show a driver using Tesla's advanced driver assistance system called Autopilot. Teslas are sick, I guess? Randall told local media that he blew his car's horn in an attempt to wake the driver, but it didn't work. "At no point did I feel like I was in danger until after the fact, when I thought'Wow, I was just driving next to somebody who was completely asleep on the Mass Pike of all places, like one of the most dangerous roads I can imagine," Randall told WHDH in Newton, Massachusetts. "But yeah, the car stayed the same speed in the same way on the highway, and yeah, it didn't change at all.