I've found it helpful to walk while I read difficult material. It makes it harder for me to turn to a distracting website. When I get tired I stop reading and e

I've found it helpful to walk while I read difficult material. It makes it harder for me to turn to a distracting website. When I get tired I stop reading and enjoy the scenery for a couple minutes, which helps me feel a little refreshed. Sometimes I plan to walk somewhere a few hours away. That way I have to keep going.