What do you do when you wake up in the middle of the night and cannot go back to sleep? Do you lie there tossing, stretch, panic, and feel your heart thumping? Do you notice your own shallow breathing? Do you try futilely to follow the random speeding thoughts that race through your mind?

Back in 1991 I met an elderly man in the grocery store. He must have been around 87. Approaching my cart, he leaned in and said