Andrew Huberman· PhD
there's no retroactive saving of of what you lost
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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.
there's no retroactive saving of of what you lost
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
sleep is a cumulative effect just like if you have a week's long worth a bad sleep but then you sleep 12 hours on the weekend you're not making up that sleep debt it's more about what you're doing time over time just like nutrition just like training exactly
coming back to this argument that sleep is not like the bank you cannot accumulate a debt and then hope to pay it off at a later point in time
But I think the bottom line is that no matter which way you slice the sleep pie, you just can't shortchange sleep.
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.