Andrew Huberman· PhD
If you can do longer 20 or 30 minutes in the afternoon, that's known to buffer cortisol substantially as well.
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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.
If you can do longer 20 or 30 minutes in the afternoon, that's known to buffer cortisol substantially as well.
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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.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
But there are great data now showing that NSDR and yoga nidra done regularly for durations of anywhere from 10 minutes. Actually, the the study I'm going to be referring to in a moment actually used 11 minutes. Okay, so anywhere from 11 minutes to 30 minutes can significantly reduce cortisol levels.