When I feel sleepy driving, I get off the road and just close my eyes until I start to feel like I'm falling asleep. Then I am good to go. Studies have shown

When I feel sleepy driving, I get off the road and just close my eyes until I start to feel like I'm falling asleep. Then I am good to go. Studies have shown waste products are removed during sleep by the circulation of cerebrospinal fluid. Perhaps even a short period of cerebrospinal fluid circulation is enough to stave off sleepiness. http://www.npr.org/sections/health-shots/2013/10/18/236211811/brains-sweep-themselves-clean-of-toxins-during-sleep http://www.npr.org/sections/health-shots/2013/10/18/23621181...