#82: Sleep & Dreams - Sidarta Ribeiro, PhD
The FitMind Podcast: Mental Fitness, Neuroscience & Psychology
The Evolutionary Cost of Sleep
There's this huge evolutionary cost to sleep. Some one could easily eat you if you're inactive. So it must have been so important in the fact that it envolved separately, or presumably separately, in a lot of different species. And then there's this period of rem sleep, where the brain is at least as active,. i think, as the waking state, yes. And its basically using predictive models to help you in your waking life. Which maybe brings us to initially, you mentioned earlier on that this arium sleep helped bring us out of the caves and into the modern world. The ability to to imagine things in our waking life is an expression of an invasion of our en sleep
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