One piece of advice from Mr. Hemingway:
Always stop while you are going good and don’t think about it or worry about it until you start to write the next day. That way your subconscious will work on it all the time. But if you think about it consciously or worry about it you will kill it and your brain will be tired before you start.He's talking about writing, but his advice can be applied to other tasks too. (For instance, this advice could be applied to the task of sending in one's (slightly late) PSR submission.) (Also: is it okay to use parentheses within parentheses?!)
Do you all have any good advice on boosting productivity?