Andrew Huberman· PhD
Use artificial lights until the sun is out then get sunlight.
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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.
Use artificial lights until the sun is out then get sunlight.
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And if you can't get outside or you're on an airplane and it's bright overhead, artificial lights or ordinary room lights it's going to take you about six hours of light.
and then getting sunlight even on uh through cloud cover in one's eyes early in the day and as much as as safely possible throughout the day and if one can't get sunlight getting light from Bright artificial sources um seems to be the best alternative
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