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.
the other thing I've noticed is there's something about my spatial coordination that goes down so I actually think that that's a bigger problem than the reaction time I think the bigger issue is you're just you're never quite hitting the right apex you're never quite finding the right rip in the track and this is even when you know the track like the back of your hand you're just off
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.
decision-making again you know sleep critical component and judgment I mean I think that's right been having a microscopic miscue on your judgment and as you said it's hard enough when you were on a track by yourself just trying to bang out best lap times the moment someone else is there and it's incredible how much your judgment can be impaired even subtly to do something stupid for me you know what it is it's impatience I am much more impatient under that situation impulsivity yeah very impulsive insights the child in the safe amok yeah yeah just much more likely to you know for example you think about it let's say you have 10 laps to go and there's one car you need to pass you know you think about that for a moment you've got all the time in the world to figure this out you you want to wait until it's perfect and yet I can see it in myself there's this belief with like well I just got to do it now it's got to be on this lap it's this lap or never that I totally irrational thinking
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.