There are certainly many reasons to work from home: You don't have to fight through rush-hour traffic, and if need be, you can wear the same sweatpants for five days. But there are certainly just as many reasons to work from the office.

The exchange with colleagues brings more ideas than the conversation with the hamster at home, you are less distracted by the household chores that still need to be done and, above all, it is easier to draw the line between work and free time if both are spatially separated as well.