If you're at all interested in the mentioned book, and you enjoyed atomic habits, then you really ought to read Peak.

improvemnt ~= time-on-task * effectiveness-of-practice

Atomic habits is great on the operational side for systematically allocating time toward your goals. Establishing reliable and sustainable time-on-task.

Peak is great for having a critical framework for how, specifically, you use that allocated time. Optimizing effectiveness-of-practice.