Why Do You Always Wake Up at 3 AM?
If you've ever woken up at 3 AM convinced something's wrong with you, there's a historian who spent over a decade reading centuries of diaries proving that exact waking hour used to be completely normal — even expected. This is the real, research-backed story of "first sleep" and "second sleep," why your body might still be running on it, and why a lab experiment in the 1990s accidentally recreated it in modern adults with no instructions at all. 0:00 The 3 AM Wake-Up 0:30 A Pattern Hiding in Centuries of Diaries 1:45 The Lab Experiment That Proved It 3:45 Why a Built-In Waking Window Made Sense 4:55 How Artificial Light Erased It 6:00 The Twist: Not Everyone Slept This Way 7:00 What Your Body Is Actually Reacting To 9:35 The Industry Built on Fixing You 10:30 What This Actually Means at 3 AM Sources: Roger Ekirch's sleep history research, Thomas Wehr's NIMH light-deprivation study, Jerome Siegel's UCLA forager-society sleep study, Charles Czeisler's circadian/light research. New deep-dives every week — subscribe if you'd rather open the past than just read about it. #SleepScience #HumanEvolution #Psychology #Insomnia #HistoryMystery
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