How do you improve your productivity?

I'm working in the tech for 12+years, mostly remote and being productive has always been an issue. From my experience what works the most is: - Define precisely my tasks, and keep it as small as possible (1h max) - Work with 100% on this tasks - Take regular breaks - and stop working after 4/5hrs of deep focus - Sleep and eat well I keep all tasks in a bullet journal, it's not perfect but I haven't found a better way to do it. (I'm building in public one product to solve this right now. Not sure how efficient it will be 🙂) What about you? What worked for you? How about