The brain paralyzes the body so that the mind can dream safely.
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The brain paralyzes the body so that the mind can dream safely.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
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Yes, normally paralyzed. And that's really good, because that's the time when we're actively dreaming storyline dreams. And we could hurt ourselves.
there's this one phase of sleep called rapid eye movement sleep where the brain is very active the dreams associated with it tend to be very Vivid and at the same time we are completely paralyzed and the idea is that no one really knows why but that it's the case that we're paralyzed to prevent us from acting out our dreams
as we go into REM sleep your brain paralyzes your body so you are physically locked into the incarceration of your body why why would your brain do this it's what we call muscle atoni
The brain paralyzes the body so that the mind can dream safely because think about how quickly we would have all been popped out of the gene pool.
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Morning sunlight exposure shifts the cortisol awakening response forward, improving daytime alertness.
Long-term morning sunlight reduces age-related macular degeneration risk.
Sleep regularity predicts all-cause mortality more strongly than sleep duration.
Tracking deep sleep on a wearable accurately reflects EEG-measured slow-wave sleep.
Caffeine has a half-life long enough that consumption after 2pm measurably degrades deep sleep in slow metabolizers.