David F. Dinges Quotes
Uncontrolled or covert napping, however, is still probably very common. One need only move through a building surreptitiously and peek at people to find some subset of sleep at any given time.
Uncontrolled or covert napping, however, is still probably very common. One need only move through a building surreptitiously and peek at people to find some subset of sleep at any given time.