Now we're so completely absorbed by the screen for so long, we get irritated by any perceived delay.
Learn the basics of C and Perl for automation, Perl can do tons of *unix stuff (awk/sed... but better).
Mark Burguess has books on Perl/C (ANSI C and GNU C) and the basics of C++ with systems' programming. I know today Golang would be more apt but if you know how the things work under the shiny stuff, you will apply most of the knowledge from Unix systems' programming to Go in a breeze.
Once you begin to automate scripting, testing and repetitive stuff, you will spend less time with computers.
This said, you can and should slow it down if you feel overwhelmed, generally speaking. Use reminders to break every 45 minutes or so, then stand up and walk around. Take longer lunches. Generally speaking, lower expectations about your productivity - which, in itself, should not be a life goal. The cult of productivity helps capital, not people. We should be kinder to ourselves.