Plagued by insomnia for twenty years, Marie Darrieussecq turns her attention to the causes, implications, and consequences of sleeplessness: a nocturnal suffering that culminates at four a.m. and then defines the next day. Prevented from falling asleep by her dread of exhaustion the next day, Darrieussecq turns to hypnosis, psychoanalysis, alcohol, pills, and meditation. Her entrapment within this spiraling anguish prompts her inspired, ingenious...