I hope that things are going well for you. Today finds me in the midst of the semester break. While I am writing and reading and prepping for spring, I am also scheduling non-work time. I never thought I would have to SCHEDULE non-work time, but I do. If I don't, I end up working every day - often for many hours in a row.
Which does not make me productive. It makes me foolish. It clogs things up so that the answers can't get to the service. I end up creating things that I have to re-do later or discard all together.
As doctoral students, many of us experienced (or are experiencing) that constant weight of work or cloud of things yet to be completed that lingers. Overworking does not help any of us.
So take a break. Think of it as incubation so your better answers and ideas can come to you.