Francesco Cirillo developed the Pomodoro technique, the premise of which is that ‘people are most productive in 25-minute blocks’. After that we lose focus, our minds wander and we’re not effective.
So, set a timer on your phone, to clock on and off, you can even download a productivity timer app. Then, and here’s the crucial part, don’t let yourself be interrupted (that means your phone is on silent, facing away from you and switch off your email, pre-fill your water bottle, and no getting up to get more coffee). Do whatever it takes, to sit and power through.
After 25 minutes, take a much-deserved break for 5 minutes. Stand up, make that coffee, do some stretching, walk a bit, then after your 5 minutes (make sure you time it, or you’ll find half an hour has passed and you’ve been distracted), set your timer on your phone for your next Pomodoro 25 minutes of work. After four Pomodoros, take a longer break.