
Your clearest hours go to your own most important work, before messages and before anyone else's noise. Every hour later costs a little. When you can't go first, take a 20-30 minute break before the hard thing.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
Every hour later in the school day, test scores fell about 0.9% of a standard deviation; a 20-30 minute break before the test lifted them about 1.7% (Sievertsen, Gino & Piovesan 2016, all Danish public schools, 🟡) · see 254.
Not medical, legal or financial advice.
In The Ecosystem every framework comes with a daily action, a room that checks in, and the full library.