The History of Sleep

TVO Today · 15K views · 2015 · 16:43

Open on YouTube

Fitness, sleep & longevityother

Why the open web links it

Explores historical changes in human sleep patterns and the case for segmented sleep.

Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including lifo.gr, medievalists.net.