What is the benefit of using a screensaver?
Psychological benefits, because when we stair at the screen for a long time mentally we will be drained, that is why Operating Systems allow users to add their own pictures or use their Visual effects, which will relaxes them, because look at it mentally, just sitting behind a desk, and using your brain behind a laptop or computer, which will drain your energy, so when you go to the restroom or get some coffee or something and you come back, and the screen saver kicks in, and you see a picture of a beach or your kids and wife, or a nice car you like, etc, it relaxes your brain, and will give you a bit of boost to refresh your ability and make your more productive.
