I always struggle with accomplishing the tasks on my to-do lists.
For example, one or two weeks before I have exams I construct a plan with what I have to do each day.
What almost always happens is that I end up readjusting the plan every day because I was not able to finish certain points of my list on a specified day (hence creating a snow ball effect).
I recently read somewhere that humans overestimate what they can accomplish in a specific time period. Or in other words: we underestimate the size of projects and are really bad in making time based schedules.
I have tried saying, "You are not allowed to sleep before everything on the list is done" but that resulted in tiredness and procrastination on the next day.
I have no clue how I could tackle this problem. I have tried downsizing the workload but somehow there are always tasks I can't seem to finish (Is my mind playing a game on me?).
How can I improve this? How can I make plans that are actually doable?