Have you ever noticed that however uncomfortable you might have been when you first went to bed—the room too hot or too cold; the pillows not quite right; the mattress lumpy; the sheets scratchy—by the time you should get up, your bed has transformed itself into the Platonic ideal of beds? The room is cool, the bed is soft, and the pillow may as well have been God’s Own Headrest. The transformation inevitably happens, of course, when you’re obligated to get up and out, when nothing sounds better than hunkering down in a pile of cool cotton—especially
