This reminds me heavily of the concept of flow, which (by my second hand knowledge) is an established scientific field of study.
The difference is also that with warehouse type jobs, you're always on edge while practically bored/unengaged. These are both highly unpleasant feelings draining you much faster.
> with warehouse type jobs, you're always on edge while practically bored/unengaged
This isn't always true. "On edge" might depend on how shitty the management/culture is. And I personally can enjoy my time doing simple labor tasks. It can be a great time to enjoy music, podcasts, or just think.
The difference is also that with warehouse type jobs, you're always on edge while practically bored/unengaged. These are both highly unpleasant feelings draining you much faster.