""Let me reassure you," writes the author. "Documented cases of people physically unable to sleep are exceedingly rare." If you're looking for a cure for our sleeplessness, you owe it to yourself to discover this compendium of short chapters, alphabetically arranged by topic. From the earliest effective remedies to the latest scientific discoveries, let this "bedside companion" be your guide on a personal journeys in the art and pleasures of sleep."