the lack of REM sleep tends to make people emotionally irritable. It tends to make us feel as if the little things are the big things.
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.
the lack of REM sleep tends to make people emotionally irritable. It tends to make us feel as if the little things are the big things.
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.
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the lack of REM sleep tends to make people emotionally irritable. It tends to make us feel as if the little things are the big things. So it's very clear from laboratory studies where people have been deprived selectively of REM sleep that our emotionality tends to get a little bit unhinged. And we tend to catastrophize small things.
And that almost always maps back to a deficit in REM sleep. So REM sleep seems to be where we uncouple the potential for emotionality between various experiences.
And indeed, the REM deprivation study show that people become hyper emotional. They start to catastrophize.
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.