Andrew Huberman· PhD
you can figure out when your first proper ultradian cycle of the day begins simply by asking yourself when are you most alert after waking.
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.
you can figure out when your first proper ultradian cycle of the day begins simply by asking yourself when are you most alert after waking.
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.
if you find that your attention and alertness starts to peak somewhere around 9:30 AM or 10:00 AM, you can be pretty sure that, that first ultradian cycle for learning is going to be optimal to start at about 9:30 or 10:00 AM.
If you want to learn as an adult, you have to be alert. It might seem so obvious, but I think a lot of people don't think about when in their 24-hour cycle they're most alert.