Driving while sleepy can be extremely dangerous. People will give you all sorts of tips regarding what to do when you are on the road and feel your eyelids getting heavy: crank up the radio, open the window to let cold air in, etc. The safest thing you can do, though, is find a cheap place to rest your head and get the sleep you need.
Being on the road when you’re tired is not smart. Unfortunately, the young man in the video below apparently did not get that message.