Andrew Huberman· PhD
Some people have strong late shifted chronotypes. It’s “medium wired”. If your job and personal life allow, roll with it.
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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.
Some people have strong late shifted chronotypes. It’s “medium wired”. If your job and personal life allow, roll with it.
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.
Yeah. I mean, give yourself permission to schedule stuff out in different times. You may or may not have control. I mean, if you're a night owl and you have a job that works early in the morning, I don't know what to tell you. Um, but if you could control your day such that maybe you're doing certain things at certain times or adjusting meal times or adjusting where the heaviest workload of your day is, scheduling meetings at certain times, like you might be able to do that.
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.