This article was originally posted at RealClearScience.

There are certain types of drivers that we should always strive to avoid. The speeders, the chronic lane changers, the texters, and the elderly — who spend most of their time driving 40 mph in the fast lane with their left turn signal flashing — are easy enough to identify. But, there’s another group of drivers that also poses a threat, but is much harder to recognize: Night owls on the morning commute. Continue reading →