Keeping your hands clean is always an important thing to consider and while it might seem like one of the easiest things to do, it turns out that some people aren’t washing their hands for as long as they should. Apple wants to help out and it’s introduced a new Handwashing timer to do just that. With the feature enabled, and your Apple Watch will detect when you’re washing your hands and then count down from 20 to make sure you’re doing it properly.

That 20-second countdown isn’t random, either. The World Health Organization recommends that we wash…