Health
Brain turns listening inward during REM sleep, EEG recordings suggest
Sleep does not isolate the brain from the world—rather, it affects how the brain balances the processing of different types of sensory information.
Summary
Sleep does not isolate the brain from the world—rather, it affects how the brain balances the processing of different types of sensory information. A Swiss study shows that as we drift off to REM sleep, signals from the outside world gradually decrease while those coming from our own body are preserved or even enhanced.
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