What Ancient Humans Did When They Couldn't Sleep at Night?

It's 2 AM, and you're staring at the ceiling, convinced something is wrong with you. Turns out, your ancestors were doing the exact same thing every single night — and for them, it wasn't a problem at all. This video breaks down a 1990s sleep experiment that accidentally recreated a forgotten human sleep pattern, and the centuries of historical records that prove it was once completely normal — until artificial light quietly erased it from memory. ⏱ TIMESTAMPS 0:00 – Why you feel broken at 2 AM 0:35 – The 1990s experiment that changed sleep science 1:26 – "First sleep" and "second sleep" in old records 2:17 – What people actually did during that gap 3:26 – Why the human body works this way 4:13 – How artificial light erased it 5:00 – Why 2 AM feels like an emergency now 6:02 – What to do the next time it happens 📚 SOURCES Wehr, T. (1990s), National Institute of Mental Health — experimental study on sleep under extended darkness Ekirch, A.R. — "At Day's Close: Night in Times Past"; historical research on segmented sleep in pre-industrial Europe #SleepScience #HumanHistory #Insomnia #Anthropology #ScienceExplained #SleepPsychology #HumanBehavior #History #Biology #Evolution