Why We Sleep by Matthew Walker

‘A good night’s sleep’ is something we all strive for and Matthew Walker shows just how important it is to our well-being; sufficient sleep will make us cleverer, more attractive, happier and less likely to develop Alzheimer’s. Professor Matthew Walker explains what happens when we sleep, why we dream and, scientifically and clearly, why the boast of only needing six hours sleep is a hollow and harmful one.

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