Your brain responds to ritual. When you do the same sequence of actions before you start focused work, your brain learns to enter that mode automatically — the same way your alarm takes you from sleep to awake, or the smell of food makes you hungry before you have tasted anything. The Pomodoro technique — 25 minutes of focused work followed by a 5-minute break — works because it gives your brain a container with a clear end point. Time blocking works because it removes the decision about what to work on from the moment you sit down. A shutdown ritual at the end of the day — reviewing what got done, writing tomorrow's priorities, physically closing your devices — tells your brain that work is over. These are not productivity tricks. They are ways of teaching your nervous system what mode to enter.