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And then everything changes
Updated and expanded
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Caleb feels intensely drawn to Veronica
Why We Sleep by Matthew Walker Material:Hard Cover And then everything changesNeuroscientist and sleep expert Matthew Walker provides a revolutionary exploration of sleep, examining how it affects every aspect of our physical and mental well being. Charting the most cutting edge scientific breakthroughs, and marshalling his decades of research and clinical practice, Walker explains how we can harness sleep to improve learning, mood and energy levels, regulate hormones, prevent cancer, Alzheimer's and diabetes, slow the effects
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