My productivity system differs from yours. That is why you have to find our what works for you to eliminate overwhelm and unproductive habits.
I know the majority always wants a guide or a set rule or how-to. Unfortunately there is none a one size fits all Productivity System for everyone. But there are general rules and different kinds of systems and strategies by many productivity experts.
You can draw on the different methods, system using existing ideas or come up with your own to build your own method.
Most times it doesn't come together at once or work out the first time . You have to keep trying. That is why you need someone to guide and help you figure out your chronotype and how you can work best create a system for you. If you want to chat about this you can DM me.