Beyond hacks to change your local mental state (e.g. music and other things people suggested), I find big picture understanding is very helpful. Why am I doing this? How does this connect to my project goals, my organization's goals, and most importantly my goals? Staying focused isn't particularly useful if you're working on wrong thing, and often working on the right thing can compensate for lack of focus because it's so much more productive.
Beyond hacks to change your local mental state (e.g. music and other things people suggested), I find big picture understanding is very helpful. Why am I doing this? How does this connect to my project goals, my organization's goals, and most importantly my goals? Staying focused isn't particularly useful if you're working on wrong thing, and often working on the right thing can compensate for lack of focus because it's so much more productive.
(Long version: codewithoutrules.com/2018/05/20/st...)