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#210 – Matt Walker: Sleep
Lex Fridman Podcast
REM Sleep Is a Neurochemical Cocktail Like No Other
When you go into dream sleep it is a neurochemical cocktail like no other that we see in the at the rest of the 24 hour state there is a chemical called noradranalin or norepinephrine in the brain. When you remove noradranaline then you go from a high SNR high signal to noise ratio where it's just you and I in this moment I don't even know what's going on elsewhereI am with you. It's almost as though we're injecting a greater amount of noise into the neural architecture of the brain during dream sleep, he says. "To me sounds very much like a dream"
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