Why We Sleep

"Startling, vital, a life raft" —GUARDIAN
'A neuroscientist shows how a good night's shut-eye can make us cleverer, more attractive, slimmer, happier, healthier and ward off cancer ... It's probably a little too soon to tell you that it saved my life, but it's been an eye-opener' —Mark O'Connell, Guardian
'Passionate, urgent ... It had a powerful effect on me' —Rachel Cooke, Observer
'Compelling and utterly convincing ... you'll never think of your bedtime in the same way again' —James McConnachie, The Sunday Times
'A stimulating and important book ... richly packed with science' —Clive Cookson, Finacial Times
'Uplifting ... Walker is in love with sleep and wants us to fall in love with sleep, too' —David Kamp, The New York Times