Having trouble sleeping through the night? You're not alone. Samuel did, too. Sometimes you hear a haunting phrase that sticks with you years later. I heard one like that from Gardner Taylor, that great African-American preacher who once held forth in the pulpit of Concord Baptist Church in Brooklyn. I don't even remember the sermon, which is all right — we're not supposed to remember sermons anymore than we should remember meals; we're supposed to be fed and challenged by them at the moment. I don't remember what Gardner Taylor was preaching that night. All I remember was this single phrase. I can still see him standing there as he said it: "I am for anything that can help a person get through the night."

Believe it or not, some people have trouble getting through the night. Do you know …