Rhonda Patrick· PhD
But as you do this contrast therapy, and you end on that cold for two minutes, again, in the morning, it gets you alert. And at night, because of that, I think, where you are in your circadian day, it makes you asleep.
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.
But as you do this contrast therapy, and you end on that cold for two minutes, again, in the morning, it gets you alert. And at night, because of that, I think, where you are in your circadian day, it makes you asleep.
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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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Ten times. End on cold for 2 minutes, right?
And what I've found with myself and with hundred or so people I worked with is that, do it again in the morning, it just lights you up like a Christmas tree. You just feel ready to go.
And that was very surprising to me, the contrast therapy, resetting my circadian rhythm.