Procrastination. Instead of trying to put it off, make a schedule. Add in your mealtimes, activities, and project worktime (you may need to overestimate the amount of time it takes to finish, so you make SURE you have enough time). Then schedule short breaks to get your brain ready to continue working.
Sister Corita Kent’s Timeless Rules for Learning and Life, Hand-Lettered by Lisa…
Sister Corita Kent's timeless rules for learning and life, hand-lettered by Lisa Congdon | Brain Pickings