It's 3:00 AM. A blizzard hits and the power goes out. Outside, it's minus 40 degrees Fahrenheit. Within three hours, your bedroom drops to 30 degrees. You're buried under three layers of blankets. You paid $300 for that memory foam mattress and another $200 for a weighted comforter. Yet you're shivering. Your expensive mattress feels like a block of ice against your back. You're sweating and freezing at the same time.
Now imagine a medieval peasant in 1315. No electricity. No central heating. Outside temperature? Same minus 40. His bedroom, if you can call it that, is a drafty stone hall with gaps in the walls. Yet he's sleeping soundly under a pile of straw and wool. He'll wake up warm. You'll wake up hypothermic.
What did a medieval farmer with literal garbage know that your $500 bedding system doesn't?
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