Brain noise contains unique signature of dream sleep – Medical Xpress

When we dream, our brains are filled with noisy electrical activity that looks nearly identical to that of the awake brain.
But University of California, Berkeley, researchers have pulled a signal out of the noise that uniquely defines dreaming, or REM sleep, potentially making it easier to monitor people with sleep disorders, as well as unconscious coma patients or those under anesthesia.
Each year, hundreds of thousands of people undergo overnight studies to diagnose problems with their slee…

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