Not sure if this is the advice you are looking for but what helps me most is to plan every next day in advance, usually the evening before. For this purpose I u

Not sure if this is the advice you are looking for but what helps me most is to plan every next day in advance, usually the evening before. For this purpose I use Microsoft To Do with due date on each task. It allows me to have all my tasks on all my devices (iPhone, iPad, PC, apple watch). So I always know what I want to focus on and have my tasks with me wherever I go.