Got anyone going with you who you can share driving with? I find that water helps me alot. Im not a huge energy drink person but 5 hour energies help me on the road. When i feel myself getting zoned in and starting to fade I try to look around as much as possible even if there isnt anything to look at. If its to bad pull over or stop somewhere if your close to something. Get out walk around even take a little 15-30 min nap. If you smoke not cigs that always helps me focus and concentrate on long drives, makes them seem to go faster too.