“The rules for reading yourself to sleep are easier to follow than are the rules for staying awake while reading. Get into bed in a comfortable position, make sure the light is inadequate enough to cause slight eyestrain, choose a book that is either terribly difficult or terribly boring—in any event, one that you do not really care whether you read or not—and you will be asleep in a few minutes. Those who are experts in relaxing with a book do not have to wait for nightfall. A comfortable chair in the library will do any time”