Article Correctness Is Author's Responsibility: The dreaming brain tunes out the outside world

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This is a cartoon of a person sleepingThe brain tunes out information from the outside world, such as the sound of speech, during REM sleep. During light sleep, the brain prioritizes meaningful speech, just as it does during a wakeful state. Researchers believe the mechanism enables the brain to protect the dreaming phase, which is essential for memory consolidation.