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.
So the simple way to think about this is you want as much light as is safely possible early in the day, morning and throughout the day, including blue light, so take those blue blockers off during the day unless you have a real issue with screen light sensitivity
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.
Traveling has really taught me the importance of blue light protection i cannot emphasize this enough when the sun goes down here in costa rica my lights go off and my blue blockers go on as much as i can i try and avoid these lights and in the morning i'm getting up super early to go surfing getting that morning sunlight getting the afternoon sunlight it's so important to get the proper light that we're exposed to get exposed to the proper light and protecting your eyes protecting your super charismatic nucleus your retina from blue light at night is crucial
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.