
Dive into the mysterious realm where your mind never sleeps. Pioneering sleep researcher Rosalind Cartwright - the "Queen of Dreams" - reveals how our nighttime brain processes emotions and why some sleepwalkers commit crimes without remembering. Your mental health might depend on understanding this hidden 24-hour cycle.
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What if I told you that your mind doesn't shut down when you sleep-it just changes shifts? While you're unconscious, sprawled across your mattress, your brain is running a sophisticated emotional processing system that determines whether you'll wake up anxious or refreshed, foggy or clear-headed. For decades, we've treated sleep as downtime, a biological necessity we begrudgingly squeeze into our schedules. But groundbreaking research reveals something far more fascinating: sleep isn't rest for your mind. It's when your brain does some of its most important work-sorting memories, regulating emotions, and literally updating who you are as a person. The 1950s changed everything we thought we knew about sleep. Before then, scientists assumed sleep was a uniform state of unconsciousness-your brain essentially powering down like a computer. Then Nathaniel Kleitman's team at the University of Chicago discovered something extraordinary using electroencephalography: sleep wasn't one thing, but distinct cycles with wildly different brain activity. During REM sleep, while your body lies paralyzed, your brain buzzes with activity rivaling wakefulness, generating the vivid hallucinations we call dreams.
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Cree par des anciens de Columbia University a San Francisco
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Cree par des anciens de Columbia University a San Francisco

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