Peter Attia· MD
so you can step and repeat that and 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
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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.
so you can step and repeat that and 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
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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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I think it is right but I don't the data aren't clear right like you can certainly make the case that horrible sleep would lead to a weakened immune system a weakened immune system especially the cellular system more than the humeral system would easily lead to an increase in not necessarily cancer initiation but cancer propagation
Poor-quality sleep can speed cancer growth, increase tumor aggressiveness and lower the immune system's ability to eradicate early tumors.
Animals that had their sleep disrupted for 7 days formed tumors that were twice as large and aggressive.
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.