Andrew Huberman· PhD
except your brain, body and cells don't actually know anything about day length. It only knows night length. And here's how it works. Light inhibits melatonin powerfully.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
except your brain, body and cells don't actually know anything about day length. It only knows night length. And here's how it works. Light inhibits melatonin powerfully.
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.
But we have a process in our brain and body that averages the amount of light that you're seeing both from artificial sources and from sunlight and measures that off.