Andrew Huberman· PhD
testosterone you know peak levels of testosterone happen during REM sleep. It's the second half of the night, which is the second half of the night.
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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.
testosterone you know peak levels of testosterone happen during REM sleep. It's the second half of the night, which is the second half of the night.
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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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we talked about an early morning peak in testosterone, which by the way is very correlated with the amount of REM sleep that people get.
Seems like that if you don't get enough REM sleep that that might blunt some of that testosterone increase.