Author
Matthew Walker PhD
We've read and reviewed Matthew Walker PhD's health & fitness and science book Why We Sleep: Unlocking the Power of Sleep and Dreams on Book of the Day — scored and written up in full, with a clear verdict on who it's for.

Why We Sleep: Unlocking the Power of Sleep and Dreams
by Matthew Walker PhD
Matthew Walker, a sleep scientist at Berkeley, has written the book that will make you take going to bed seriously. Why We Sleep is part wonder, part warning, and almost impossible to read without rethinking your own nights.