The Science of Sleep (Dr. Matthew Walker)
3 Things (with Ric Elias)
00:00
Rem Sleep Is the New Kid on the Block
Reptiles, amphibians and fish all seem to have non rapidee movement sleep. It's only when we moved from the ocean on to the land that rem sleep came into existence. Rem sleep evolved twice in the course of evolution, independently, once in birds, once in mammals.
Transcript
Play full episode
