Here is the optimized Amazon product description, written within your constraints: This book is for you if you suspect sleep matters more than you have been told—and you want to understand why, without wading through dense science. You have heard that sleep is important. But you do not really know what happens while you rest, or why it affects your mood, memory, and health so deeply. You want the insights. You just do not want to fight for them. Here is Why We Sleep. The science. The stories. What actually happens while you close your eyes. One life-changing insight per chapter. Perfect for dog-earing. Perfect for reading just before bed. Short enough to finish one section as you settle in. Deep enough to shift how you see rest forever. For the curious mind who wants to unlock the power of sleep and dreams—without a textbook. Read one chapter. Close your eyes. Finally understand why sleep works.
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