Why do we sleep? | Russell Foster
Why the open web links it
A circadian neuroscientist explores what is known—and unknown—about the purpose and science of sleep.
Linked by 31 independent sites, 4 of them widely read in the 2026-10 crawl of the open web, including oup.com, ox.ac.uk, thefabulous.co, foreo.com, papaly.com.