Why We Sleep: Difference between revisions

'''''{{Tooltip|Why We Sleep}}''''' is a popular-science book on the neuroscience and physiology of sleep. {{Tooltip|Scribner}} published it in the {{Tooltip|United States}} on 3 October 2017 (368 pages; ISBN 978-1-5011-4431-8).<ref name="S&S9781501144318" /><ref name="OCLC975365716" /> Neuroscientist {{Tooltip|Matthew P. Walker}}, a professor at the {{Tooltip|University of California, Berkeley}}, synthesizes laboratory, clinical, and epidemiological findings on how sleep and {{Tooltip|circadian biology}} shape learning, memory, emotion, immunity, metabolism, and long-term health.<ref name="UCBProfile">{{cite web |title=Matthew P. Walker |url=https://psychology.berkeley.edu/people/matthew-p-walker |website=UC Berkeley Department of Psychology |publisher=University of California, Berkeley |access-date=6 November 2025}}</ref><ref name="S&S9781501144318" /> The book explains {{Tooltip|NREM}}/{{Tooltip|REM sleep}} and {{Tooltip|circadian rhythms}}, outlines the consequences of insufficient sleep, and discusses practical topics such as caffeine, {{Tooltip|jet lag}}, {{Tooltip|melatonin}}, {{Tooltip|sleep disorders}}, and when behavioral therapy is preferable to sleeping pills.<ref name="S&S9781501144318" /><ref name="UCB2017">{{cite web |title=Everything you need to know about sleep, but are too tired to ask |url=https://news.berkeley.edu/2017/10/17/whywesleep/ |website=UC Berkeley News |publisher=University of California, Berkeley |date=17 October 2017 |access-date=6 November 2025 |last=Anwar |first=Yasmin}}</ref> It is arranged in four parts—what sleep is, why it matters, how and why we dream, and how society might change—written for general readers.<ref name="OCLC1001968546">{{cite web |title=Why we sleep : unlocking the power of sleep and dreams (table of contents) |url=https://www.worldcat.org/oclc/1001968546 |website=WorldCat |publisher=OCLC |access-date=6 November 2025}}</ref><ref name="Kirkus2017">{{cite web |title=Why We Sleep |url=https://www.kirkusreviews.com/book-reviews/matthew-walker/why-we-sleep/ |website=Kirkus Reviews |date=21 August 2017 |access-date=6 November 2025}}</ref> According to the publisher, it is a {{Tooltip|New York Times}} bestseller and an international sensation. It was named one of {{Tooltip|Publishers Weekly}}’s Best Books of 2017, and {{Tooltip|The Sunday Times}}’ year-end list recorded 162,125 {{Tooltip|UK}} copies sold in 2018.<ref name="S&S9781501144318" /><ref name="PWBest2017">{{cite web |title=Best Books 2017 |url=https://best-books.publishersweekly.com/pw/best-books/2017 |website=Publishers Weekly |access-date=6 November 2025}}</ref><ref name="STimes2018">{{cite news |title=Books: The Sunday Times Bestsellers of the Year, 2018 |url=https://www.thetimes.com/culture/books/article/books-the-sunday-times-bestsellers-of-the-year-2018-k9wn67tw6 |work=The Sunday Times |date=30 December 2018 |access-date=6 November 2025}}</ref>

🖋️ '''Author & writing'''. {{Tooltip|Matthew P. Walker}} is Professor of Neuroscience and Psychology at the {{Tooltip|University of California, Berkeley}}, and founder/director of the {{Tooltip|Center for Human Sleep Science}}; his academic work focuses on sleep’s role in memory, emotion, and health.<ref name="UCBProfile" /> His laboratory studies use {{Tooltip|EEG}} and {{Tooltip|MRI}}, an approach that underpins the book’s explanations and case studies.<ref name="WalkerLab">{{cite web |title=Sleep and Neuroimaging Lab — Research focus |url=https://walkerlab.berkeley.edu/science.html |website=Center for Human Sleep Science, UC Berkeley |publisher=University of California, Berkeley |access-date=6 November 2025}}</ref> The book translates this body of evidence for general readers and reframes insufficient sleep as a public-health problem.<ref name="UCB2017" /> Its four-part structure reflects that goal.<ref name="OCLC1001968546" /><ref name="S&S9781501144318" />

📈 '''Commercial reception'''. The publisher reports that ''{{Tooltip|Why We Sleep}}'' is a {{Tooltip|New York Times}} bestseller and an international sensation.<ref name="S&S9781501144318" /> In the {{Tooltip|UK}}, ''{{Tooltip|The Sunday Times}}'' listed it among the year’s bestsellers in 2018 with 162,125 copies sold.<ref name="STimes2018" /> In the trade press, it was selected as one of ''{{Tooltip|Publishers Weekly}}''’s Best Books of 2017.<ref name="PWBest2017" />