. . "Humour." . . "Human behaviour." . . . . "In this warm, witty and engaging book, McGirr muses on the many benefits of sleep; mourns its demise; explains aspects of its strange personality; observes what the brain really gets up to in the small hours, and makes acquaintance with some of the great sleepers and wakers of history." . . . . . . . "The lost art of sleep" . . . . . . "Lost art of sleeping" . . "Relaxation." . . "Sleep." . .