However, restricting yourself to working until The Round Up a set of chores is finished can be a useful strategy for tasks that are clearly defined. Working until a set list of activities is finished helps you escape the trap of pretending you’re being productive when you’re not, whereas limiting your time can make it easier to pull that off.
Time restrictions, I’ve discovered, can encourage a lazier approach to work. Even if you plan to spend the entire day studying in the library, you will probably end up checking your phone or ignoring difficult problems in favour of simpler ones because you won’t have any tasks to hold you back.