Life is short. Stay awake for it. So goes the tagline for the second largest coffee franchise in America. It’s catchy and practical. Drink our coffee, it suggests, not merely for its taste, but for its benefits, that is, to be awake to life. And the reason being — here comes the resonating connection — life is short. The clock is ticking. Our days are numbered. And we Christians agree (Psalm 90:10; 103:15–16; James 4:14). Life is too short to sleep all the time. But life is also too short not to sleep a large part of the time. The...