Carry a notebook, if you actually sit down in the train. You'll find that you are far more insightful and lucid when excluded from wasting time online/starting

Carry a notebook, if you actually sit down in the train. You'll find that you are far more insightful and lucid when excluded from wasting time online/starting at a screen. Doodle, write, note down each station - just treat every page as a blank page. You will be surprised by the results.