Andrew Huberman· PhD
Morning sunlight & evening sunlight in your eyes entrains your circadian clock to the ambient light dark cycle.
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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.
Morning sunlight & evening sunlight in your eyes entrains your circadian clock to the ambient light dark cycle.
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The most important of these is morning sunlight.
Yesterday I tried that silly Huberman thing of getting a bunch of sunlight in your eyes right after waking.
morning sunlight is the most powerful driver of circadian rhythm entrainment.
Yes because all your biological rhythms are tethered to circadian clocks that are entrained by the sun.
Do that again in the afternoon or around evening 10 to 30 minutes depending on how bright it is outside.