Battling Drowsy Driving

On my long solo drives from NJ to MA, I sometimes get tired and drowsy. This can be very dangerous! Between 2011 and 2015, some 2.5% of driving fatalities are due to drowsy driving. I recognize this and plan accordingly, and mostly that involves coffee and sugar. I'll get a cup of strong coffee and a bag of M & Ms or some bite-sized candy. The drowsiness for me lasts about 20-30 minutes, and at highway speeds, it can be harrowing. The National Highway Traffic Safety Administration says the late afternoon is problematic since most people experience a dip in circadian rhythm, the internal clock that regulates sleep. This is about the time I experience drowsiness. It's interesting to me that this dip in energy doesn't occur when I'm working in front of the computer, but clearly I can't use my computer while driving. (At least not until the robot cars arrive!) Another thing that helps is singing. I put on some music that I know and I sing along. Rolling the windows down helps as well.…