The "8 hours of sleep" rule is based on ZERO evidence.
Ancient humans slept in two distinct phases, not one long stretch.
Here's the shocking truth about how you should really be sleeping:
Patrick Sullivan Jr.
8,697 posts
Co-Founder JigsawHealth.com supplements built on science; Exec Producer of BreakingBigFood.com; Co-host RockBottomPod.com; MAHA ๐บ๐ธ
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- Replying to @realPatrickJrFor most of human history, people slept in two distinct phases called "biphasic sleep." Historian A. Roger Ekirch found over 500 historical documents proving this. People would sleep 3-4 hours, wake for 1-2 hours, then sleep another 3-4 hours. The most fascinating part? What
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- Replying to @realPatrickJrDuring the waking period between sleeps, people were remarkably active: โข Prayer and meditation โข Household chores โข Visiting neighbors โข Creative work โข Intimate moments with partners This natural rhythm continued for thousands of years. Then everything changed:
00:00 - Replying to @realPatrickJrThe "8 hours of sleep" rule emerged during the Industrial Revolution. In 1817, Welsh manufacturer Robert Owen coined "Eight hours' labor, Eight hours' recreation, Eight hours' rest." It wasn't based on science. It was just a practical division of a 24-hour workday. But here's
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- Replying to @realPatrickJrA landmark study of the Hadza hunter-gatherers of Tanzania showed: They sleep just 6.25 hours per night on average. Their sleep efficiency is 68.9%. They maintain stronger circadian rhythms than Western populations. Here's why this matters:
00:00 - Replying to @realPatrickJrThe Industrial Revolution transformed our natural sleep patterns. Artificial lighting extended our waking hours. Factory schedules made biphasic sleep impractical. But modern science reveals something even more surprising:
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