How many hours should I work?

How many hours should I work a week?
How many hours should I work a week?

At school, the rule of thumb is usually at least three hours of study time per hour of class time. But go easy: there’s a lot of research that says working more than twelve hours at a time or forty hours in a week destroys your productivity. https://bit.ly/bc-work. Do your work, but also rest, eat, and play.