Most of us find it difficult to wake up, and are awakened, not by our willpower, but by the obstinacy of the alarms that keep buzzing even after we have put them on “snooze” several times. “The average sleep is 15 minutes more,” read an old quip from Readers’ Digest, and it still rings true today. Indeed, there’s one thing our society can’t seem to get enough of: sleep.
