Andrew Huberman· PhD
Even when it’s really overcast it’s brighter than indoors.
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.
Even when it’s really overcast it’s brighter than indoors.
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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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Still far brighter outside than indoors with artificial light so key to get outside for sun especially on overcast days.
Overcast am usually brighter than indoor lighting.
Nothing equates to sunlight. Even through cloud cover it’s better than any artificial light you’re going to find.
sunlight through clouds still far brighter than at night so still valuable to get sunlight in your eyes when cloudy.