What happens when we space our during a menial task and by the time we “snap back” the task is completed?

Question

E.g: Copying some text, space out, think about something random, snap back, done copying text.
I hope it makes sense.

In: Biology

Answer 1

Most menial tasks are things that we have done before, and a lot! It ends up in our procedural memory, so you don’t have to pay attention to it. Basically you’ve done it so much your body just “knows” how to do it, leaving your mind think about other stuff while you go through the motions.