Why Ancient Humans Slept Better Than Anyone Today

You sleep more than your ancestors did — so why do you feel so much worse? For 99% of human history, there were no sleep apps, no melatonin gummies, no alarm clocks, and no word for "insomnia." Yet modern hunter-gatherers like the Hadza, San, and Tsimané sleep just 6 hours and 25 minutes a night — less than you — and almost none of them suffer from sleeplessness. This video unpacks the real science of how ancient humans slept, why we broke the system, and the simple signals your body is still waiting for tonight. Dans cette vidéo : • Why the famous "8 hours" rule is an industrial labor agreement, not biology • How temperature, not bedtime, secretly controls when you fall asleep • The blue-light trap that convinces your brain it's noon at midnight • The "sentinel effect" and why we were never meant to sleep alone • What it would actually take to sleep like an ancient human 📚 Sources : — Yetish, Siegel et al. (Current Biology, 2015), hunter-gatherer sleep study: — David Berson, retinal ganglion cells & light sensitivity: — David Samson, the "sentinel effect" in hunter-gatherer groups: — Matthew Walker, "Why We Sleep" (2017): — Bjørn Bjorvatn, research on insomnia and sleep anxiety: If this changed the way you think about sleep, subscribe for more deep dives into the science of how your body actually works — and hit the bell so you never miss the next one. #sleep #sleepscience #insomnia #ancienthumans #huntergatherers #circadianrhythm #sleepbetter