A few posts that’ll get you thinking about the control you have on the quality of your time:
Maker’s Schedule, Manager’s Schedule, by Paul Graham
Most powerful people are on the manager’s schedule. It’s the schedule of command. But there’s another way of using time that’s common among people who make things, like programmers and writers. They generally prefer to use time in units of half a day at least. You can’t write or program well in units of an hour. That’s barely enough time to get started.
Last year I turned off all my notifications. I stopped booking meetings. I started living asynchronously.Now instead of being interrupted throughout the day — or rushing from one meeting to the next — I sit down and get work done.