Bryan Johnson· Author
Sleep is essential for a well-functioning immune system.
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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.
Sleep is essential for a well-functioning immune system.
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Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
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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sleep is probably one of the most powerful regulators of your immune system you know if you want a full arsenal and you want every single weapon in there to be sharp and ready to annihilate sleep is what you need
imagine what would be the state of your immune system particularly for those critical anti cancer fighting immune cells after several weeks if not months of insufficient sleep
sleep is probably one of the most powerful regulators of your immune system you know if you want a full arsenal and you want every single weapon in there to be sharp and ready to annihilate sleep is what you need
sleep is probably one of the most powerful regulators of your immune system you know if you want a full arsenal and you want every single weapon in there to be sharp and ready to annihilate sleep is what you need
you increase your risk for developing cancer because you weaken the immune system components that are there to combat against all of those you know carcinogenic influences cellularly
10 minutes of bright outdoor light within the first hour of waking anchors the circadian phase and improves sleep onset that night.
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.