The evolution of sleep

My friend Miriam recently sent me this Inquiring Minds episode on sleep. Did you know that, just 100 years ago, adults regularly got 9.25 hours of sleep per night on average? https://soundcloud.com/inquiringminds/68-matt-walker-why-did-we-evolve-to-sleep “Lack of sleep” and “being tired” are more serious than they sound. 8 hours a night seems to be the sweet spot (most […]