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A man using RIPA insecticide to kill bedbugs and get a good night's sleep. Colour lithograph, ca. 1900.

A little boy wakes up a sleeping man with noisy banging of a drum; the boy sleeps and the man swats flies away from him with a fan. Colour process print, 1909.

<p>SLEEP & DREAMS. "In her New York Times bestseller Thrive, Arianna Huffington introduced her readers to the importance of sleep in terms of redefining success, through wisdom, wonder, well-being and giving. But the topic seemed to touch such a powerful chord, and seemed to resonate so universally in todays 24/7 fast-paced, always-connected world, that Arianna realized a full book on the critical importance of sleep to our health and lives, and on the long term danger of sleep deprivation on performance and happiness, was needed. In her new book, Arianna reveals all the ways that our inability to get enough sleep impacts our lives, undermines our decision making, compromises our health, our athletic performance, our work lives, our relationships and even our sex lives, and causes us to lose control over of how we interact with others and engage with the world.</p>

The sleep revolution : transforming your life, one night at a time / Arianna Huffington.