[kayoone]

I recently read "A mind for numbers" which leans on this concept of working hard on a problem (focus mode) and then stepping away from it for some time (diffuse mode) very heavily. I also realized that this works really well for me and i guess for most people.

[psyc]

I've relied on this for decades for complex development tasks. Now when a manager asks me to propose some design solution, I just say flat out that I'll probably know what to do after a couple of sleeps.