That and taking a shower, doing dishes or taking a walk around the block, in fact I'd say that the ratio of bugs/issues I've solved while away from the computer compared to being in front of the computer is quite high (in favour of the "away from the computer"-fixes, that is).

The balance of rest is an important factor that I’ve understood the value of only later in my career. Pausing on a difficult engineering task at the end of the workday in favor of exercise or cooking dinner (or both) gives my mind and body time to reset it needs. Often answers or alternate approaches will materialize mid curl, crunch, or vegetable chop.