Before electric lights, humans didn't sleep in one solid 8-hour block — we had a 'first sleep' and 'second sleep' with a natural wake period in between. We're diving into why our modern sleep expectations might be completely wrong, what segmented sleep could teach us about insomnia, and whether fighting your 3 AM wake-ups is actually making everything worse. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com
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