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#210 – Matt Walker: Sleep
Lex Fridman Podcast
What Do You Think Dreams Are?
So one of the camps in the sleep field is that dreams are meaningless. I don't believe that for a second. We've now since discovered that dreams have a function and it's not just that you dream it's what you dream about that also matters so for example scientists have done studies with learning in memory where they have people learn a virtual maze. Those who then dreamed but dreamed of the maze were the only ones who when they woke up ended up being better at navigating the maze than those who didn'tDreaming can be more metabolically costly as a conscious experience than not dreaming.
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