What If Humans NEVER Needed Sleep? You'd Get 26 Years Back. And Lose All of Them. episode artwork

EPISODE · Jun 16, 2026 · 9 MIN

What If Humans NEVER Needed Sleep? You'd Get 26 Years Back. And Lose All of Them.

from What Comes Next

You will spend roughly 26 years of your life unconscious. Science still cannot fully explain why. In this episode we trace what the research actually shows about mortality rates, cognitive collapse, and the brain cleaning itself while you sleep. We follow it to the edge of what we know. Then we ask what happens if that changes, and we follow every ripple forward. Where we leave the historical record, we tell you.Go deeper (these are affiliate links. I may earn a small commission at no cost to you):Why We Sleep by Matthew Walker is the definitive science behind every fact in this episode. https://amzn.to/4vnqiibFor the rem and dream cycles section, current research lives in When Brains Dream by Antonio Zadra and Robert Stickgold. https://amzn.to/4oxmTL6Both books above are on Audible. The free trial gets you one of them at no cost. https://amzn.to/3S9KrtqA Kindle Paperwhite covers every book we recommend on this channel. https://amzn.to/4aPzO5gChapters: 0:00 The question 1:20 The facts: what sleep actually does 4:25 The flip: 26 years returned 4:45 The cost: what those hours become 5:50 What disappears: dreams, maintenance, the pause 7:45 Generations on: a world without night 9:15 What comes next?New what-if scenarios every Tuesday and Friday on YouTube and wherever you listen.

Episode metadata supplied by the publisher feed · Published Jun 16, 2026

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What If Humans NEVER Needed Sleep? You'd Get 26 Years Back. And Lose All of Them.

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