Andrew Huberman· PhD
most of all what's happening in REM sleep is that we're forming a relationship with particular rules or algorithms.
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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.
most of all what's happening in REM sleep is that we're forming a relationship with particular rules or algorithms.
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.
And in REM sleep, what the dreams are doing is you're witnessing the brain rewire itself using what was left. So basically the dreams are among other things. Essentially, what's happening is okay, here's what's left. How do I what do I do with this? How is it how does it connect to other things? How do I sort it? How do I file it? How do I process it?
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.