![]() The author then moves on to the toughest mystery of all, the seemingly erratic sleeping habits of infants. "Your body reacts to bright light the same way it does to sunshine, sending out signals to try to keep itself awake." The stress and technology of modern life is often bad for sleep, he notes. He explains that people slept better before the invention of artificial light: "Electric light at night disrupts your circadian clock," he writes. ![]() ![]() Randall begins by looking at sleep from an evolutionary perspective. While sleep represents about a third of our lives, the number of unanswered questions - such as why we dream, what health benefits sleep provides and how sleep-deprivation contributes to dysfunction - remains staggering. ![]() "Try to cut down on your stress and we'll see what happens."įrustrated by this lack of data, Randall began tirelessly researching the big issues surrounding sleep, bringing readers up to date on each in a narrative that's anything but sleep-inducing. Listening nervously to a doctor who specialized in sleep, Randall heard the words that would awaken him to write this book: "There's a lot we don't know ," the doctor said. Journalist David Randall had an eye-opening experience when he sought treatment for his sleepwalking. ![]()
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