Put a clock under the mouse lens to keep your computer active
If you have to follow a strict work-from-home schedule, or if you have to be active on the university website but must leave home for some reason, this hack will help you. Sometimes we have a domestic emergency, or we have to go out for a few minutes.
To keep your computer active, you just have to make the surface beneath the mouse move. How will you do this? You can put a clock under the mouse lens; the movement of the needles will make the cursor move.