Oftentimes inability to focus is because you didn't leave yourself a good starting point. Writers use this trick; they stop for the day when they are sure what

Oftentimes inability to focus is because you didn't leave yourself a good starting point. Writers use this trick; they stop for the day when they are sure what comes next. So split it into two - sit down and spend a bit of time doing nothing but orienting - figuring out what you would do next if you were about to do it. Then when you've identified it, go take a break until you feel ready to start again.