Andrew Huberman· PhD
So every cell in your body actually knows external day length and therefore time of year by way of the duration of the melatonin signal.
Loading…
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.
So every cell in your body actually knows external day length and therefore time of year by way of the duration of the melatonin signal.
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.
The duration of the melatonin signal is getting longer and longer.