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Sleepy Time Mystery

A slow narrated documentary channel built for listening at night, working long form mysteries in history, archaeology, and science at two and three hour length.

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2:51:57
Sleepy Time Mystery

We Are the 7th Civilization: The 12,000-Year Cycle That KEEPS Resetting Human History?

A 172 minute narrated documentary asking whether civilization has risen and been erased repeatedly since the last ice age, and whether we are the seventh attempt. It walks the ice age world with sea levels 120 metres lower, the Younger Dryas cold snap and the impact hypothesis, the drowned landscapes of Doggerland, Sundaland, Beringia and the Persian Gulf basin, Gobekli Tepe, the invention of farming, the first cities, and the collapses at 1200 BCE, in the Maya lowlands, in the Indus, and in Rome. It then tests the flood myths, Plato's Atlantis, Lemuria and Mu, and asks via the Silurian hypothesis what any civilization would actually leave in the rock. The narrator's own answer to his title is no: there is no ledger of six, no 12,000 year clock, and the real lesson is that inheritance is not preservation.

CultureSciencePhilosophyAug 11, 2026