Essentials: How to Focus to Change Your Brain

1794.355 - 1815.671 Andrew Huberman

So once you get this epinephrine, this alertness, you get the acetylcholine released and you can focus your attention, then the question is for how long? And in an earlier podcast, I talked about these ultradian cycles that last about 90 minutes. The typical learning bout should be about 90 minutes. I think that learning bout will no doubt include five to 10 minutes of warmup period.