Andrew Huberman· PhD
In the afternoon/evening: reinforces regular sleep-wake rhythms (via pm melatonin levels)
Loading…
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.
In the afternoon/evening: reinforces regular sleep-wake rhythms (via pm melatonin levels)
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.
I am as I've mentioned before I'm a proponent of getting sunlight in the evening as well by getting light in the evening it accomplishes two things for me first of all it makes sure that I don't get up too early that I'm not waking up at 3:00 or 4: in the morning because it's going to shift my clock it's going to delay it a little bit and so this is really important if you want to keep your schedule on a normal routine on a regular 24-hour cycle and not have your circadian rhythms of sleep and wakefulness drifting all over the place
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.