Bryan Johnson· Author
So to me, this was really cool to see that things that increase your resting heart rate before bed negatively impact your sleep.
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.
So to me, this was really cool to see that things that increase your resting heart rate before bed negatively impact your sleep.
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 once you master this skill, you'll learn that everything else that increases your heart rate before bed is bad for your sleep, and that which lowers your heart rate before bed is good for you.