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"The first sleep book by a leading scientific expert--Professor Matthew Walker, Director of UC Berkeley's Sleep and Neuroimaging Lab--reveals his groundbreaking exploration of sleep, explaining how we can harness its transformative power to change our lives for the better. Sleep is one of the most important but least understood aspects of our life, wellness, and longevity. Until very recently, science had no answer to the question of why we sleep, or what good it served, or why we suffer such devastating health consequences when we don't sleep. Compared to the other basic drives in life--eating, drinking, and reproducing--the purpose of sleep remained elusive. An explosion of scientific discoveries in the last twenty years has shed new light on this fundamental aspect of our lives. Now, preeminent neuroscientist and sleep expert Matthew Walker gives us a new understanding of the vital importance of sleep and dreaming. Within the brain, sleep enriches our ability to learn, memorize, and make logical decisions. It recalibrates our emotions, restocks our immune system, fine-tunes our metabolism, and regulates our appetite. Dreaming mollifies painful memories and creates a virtual reality space in which the brain melds past and present knowledge to inspire creativity. Walker answers important questions about sleep: how do caffeine and alcohol affect sleep? What really happens during REM sleep? Why do our sleep patterns change across a lifetime? How do common sleep aids affect us and can they do long-term damage? Charting cutting-edge scientific breakthroughs, and synthesizing 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 of aging; increase longevity; enhance the education and lifespan of our children, and boost the efficiency, success, and productivity of our businesses. Clear-eyed, fascinating, and accessible, Why We Sleep is a crucial and illuminating book"--]cProvided by publisher.

The first book in Stoicism guru Ryan Holiday's new series looking at the four key virtues of Stoicism.

"Published with the authorization of Microsoft Corporation"--Copyright page.

The great genius of modern physics explains why quantum theory makes perfect sense

From bestselling author Johanna Basford, a stunning new colouring book that invites artists to explore the great indoorsThrough her bestselling colouring books and distinctive illustrations, Johanna Basford's beautiful forests, ocean depths, and hidden magical kingdoms have enchanted millions of people around the world. In this newest work, Basford takes her audience indoors, inviting them to explore the wonders of the worlds within. Hidden within every illustration in Rooms of Wonder is a secret key and a locked door. Find the key, unlock the door and continue to the next room. Discover a busy craft studio, a wizard's workshop, a mouth-watering ice cream parlour and an opulent banquet hall. With hidden treasures, curious spaces and a few enchanted interiors, all you need to do is unlock the first door and begin your magical journey.

The Brain's Way of Healing explores the astonishing advances in the discovery of neuroplasticity, showing that the brain has its own unique way of healing, only recently uncovered. Norman Doidge discusses a series of remarkable recoveries: patients told they would never improve have years of chronic pain alleviated or damage from debilitating strokes undone, and symptoms of multiple sclerosis, Parkinson's disease, brain injury, autism or learning disorders are reversed. He also shows how the risk of dementia can be lowered by 60%. Using stories to present cutting-edge science, Doidge illustrates principles that everyone can apply to improve their brain's performance.

HarperCollins is proud to present its incredible range of best-loved, essential classics.

How do highly-successful people like Elon Musk and Bill Gates get so much done? The answer is time blocking; a time-management method that Cal Newport, productivity expert and bestselling author of Digital Minimalism, has been using for fifteen years.For the first time, this game-changing system has been captured in a daily planner that makes it easy for you to prioritise tasks and focus on the things that really matter. Using the time-block method you'll no longer be distracted by your inbox, social media and other peoples' demands for your time. The Time-Block Planner will help you push aside distractions and focus on the work that will make the difference to you.

Clear, comprehensive, and trusted, Bryman's Social Research Methods has guided over a quarter of a million students through their research methods course and student research project. The thoroughly updated sixth edition offers unrivalled coverage of quantitative, qualitative, and mixed methods with renewed focus and a fresh, modern feel.

Foucault shows the development of the Western system of prisons, police organizations, administrative and legal hierarchies for social control - and the growth of disciplinary society as a whole.

Stoicism teaches us to acknowledge our emotions, reflect on what causes them and redirect them for our own good. The author shows how stoicism teaches us the importance of a person's character, integrity and compassion. With tips and exercises, meditations and mindfulness, he also explains how relevant it is to every part of our modern lives.

Dan Jones's epic new history tells nothing less than the story of how the world we know today came to be built.

THE NEW YORK TIMES NUMBER ONE BESTSELLER BBC RADIO 4 BOOK OF THE WEEKThe Gene is the story of one of the most powerful and dangerous ideas in our history, from bestselling, prize-winning author Siddhartha Mukherjee.

Timeless advice on the art of living well, from the celebrated Penguin Great Ideas seriesThe writings of the ancient Roman philosopher Seneca offer powerful insights into stoicism, morality and the importance of reason, and continue to provide profound guidance to many through their eloquence, lucidity and wisdom.Throughout history, some books have changed the world. They have transformed the way we see ourselves - and each other. They have inspired debate, dissent, war and revolution. They have enlightened, outraged, provoked and comforted. They have enriched lives - and destroyed them. The Penguin Great Ideas series brings you the works of the great thinkers, pioneers, radicals and visionaries whose ideas shook civilization, and helped make us who we are.

'Be prepared to be amazed' GuardianCan anyone get a perfect memory?Joshua Foer used to be like most of us, forgetting phone numbers and mislaying keys. Then he learnt the art of memory training, and a year later found himself in the finals of the US Memory Championship. He also discovered a truth we often forget: that, even in an age of technology, memory is the key to everything we are.In Moonwalking with Einstein he takes us on an astonishing journey through the mind, from ancient 'memory palace' techniques to neuroscience, from the man who can recall nine thousand books to another who constantly forgets who he is. In doing so, Foer shows how we can all improve our memories.'Captivating ... engaging ... smart and funny' The New York Times'Delightful ... uplifting ... it shows that our minds can do extraordinary things' Wall Street Journal'Great fun ... a book worth remembering' Independent'A lovely exploration of the ways that we preserve our lives and our world in the golden amber of human memory' New Scientist

The classic translation of the cornerstone work of western philosophyPlato's Republic is widely acknowledged as one of the most influential works in the history of philosophy. Presented in the form of a dialogue between Socrates and three different interlocutors, it is an inquiry into the notion of a perfect community and the ideal individual within it. During the conversation other questions are raised: what is goodness; what is reality; what is knowledge; what is the purpose of education? With remarkable lucidity and deft use of allegory, Plato arrives at a depiction of a state bound by harmony and ruled by 'philosopher kings'. Translated by DESMOND LEE with an Introduction by MELISSA LANE

'Enigmatic, vatic, emphatic, passionate . . . Nietzsche's works together make a unique statement in the literature of European ideas' A. C. GraylingNietzsche was one of the most revolutionary thinkers in Western philosophy, and Thus Spoke Zarathustra remains his most influential work. It describes how the ancient Persian prophet Zarathustra descends from his solitude in the mountains to tell the world that God is dead and that the Superman, the human embodiment of divinity, is his successor. With blazing intensity, Nietzsche argues that the meaning of existence is not to be found in religious pieties or meek submission, but in an all-powerful life force: passionate, chaotic and free.Translated with an introduction by R. J. HOLLINGDALE