I'm using the "forest" (http://forestapp.cc/ http://forestapp.cc/) app to track how much 'deep work' I can do. No affiliation but a huge fan of it. It's been q

I'm using the "forest" (http://forestapp.cc/ http://forestapp.cc/) app to track how much 'deep work' I can do. No affiliation but a huge fan of it. It's been quite eye-opening how much work I can actually do in a day. In a good day it's about 4 hours. Usually less though.