Matthew Walker on SummaryShelfhttps://summaryshelf.app/authors/matthew-walker/Recent content in Matthew Walker on SummaryShelfHugoen-usWed, 22 May 2024 00:00:00 +0000Why We Sleep: Unlocking the Power of Sleep and Dreamshttps://summaryshelf.app/why-we-sleep/Mon, 03 Apr 2023 00:00:00 +0000https://summaryshelf.app/why-we-sleep/<p>Sleep is not a cost you can trim to buy more waking hours. Walker&rsquo;s whole case is that it sits underneath everything else—memory consolidation, emotional regulation, physical restoration, metabolism, and the health of your heart—which is why shorting it doesn&rsquo;t just make you tired but measurably raises your risk of serious disease. He puts the hierarchy plainly: if diet and exercise are the pillars of health, then sleep is the foundation they stand on. Pull it out and the pillars start to crack.</p>