Andrew Huberman· PhD
since the blue light during the day is actually a good thing.
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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.
since the blue light during the day is actually a good thing.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Blue light, we've been told is so terrible for us, it is absolutely essential and wonderful for waking up the brain, for triggering all sorts of positive biological reactions, but it needs to be viewed early in the day.
A lot of people will say I should be wearing blue blockers throughout the day. No, that's the exact wrong thing. That should be reserved for late in the evening.
circadian rhythm is super important for our microbiome and one of the ways that i protect it is by wearing blue blocking glasses
10 minutes of bright outdoor light within the first hour of waking anchors the circadian phase and improves sleep onset that night.
Morning sunlight exposure shifts the cortisol awakening response forward, improving daytime alertness.
Long-term morning sunlight reduces age-related macular degeneration risk.
Sleep regularity predicts all-cause mortality more strongly than sleep duration.
Tracking deep sleep on a wearable accurately reflects EEG-measured slow-wave sleep.
Caffeine has a half-life long enough that consumption after 2pm measurably degrades deep sleep in slow metabolizers.