David Dinges Quotes on Time (2 Quotes)

When you take away sleep, the brain becomes unstable. You can't pay attention, you have trouble sustaining activities over time. Some people show it right away, while other people can go quite a while without showing it.

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.