Bodybuilders are usually good at tracking physical fatigue. We count sets Track weight Track reps Track calories but mental fatigue can sneak up without appearing in a spreadsheet. Constant dieting chasing PRs comparing yourself online & feeling like every workout has to be perfect can eventually make training feel like another job. The current research continues to show links between sleep & athlete mood mental health and well-being which is another reason I don't separate recovery into physical and mental boxes. Sometimes the best thing for progress is reducing pressure for a few days you don't always need more motivation sometimes you need less stress