Maaseh Rav Siman 61
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
כל עניני פרנסה ומצות ושינה אחר חצות היום שני שעות. שלא לבטל מלימודו כ"א לעשות מצוה שתבטל אם לא יעשה הוא:
Sefaria Community Translation
All forms of salary, mitzvot and sleep should be done after midday for two hours so that one should not squander his learning except to do a Mitzva that would not happen if he did not do it.