#18: Brain Drain
Being sick in any way is never fun, but having congested sinuses is its own special brand of unpleasantness. You can take medication and blow your nose, but if you’re ever in a situation where those don’t work, you could also try this trick.

This is yet another hack that involves pressing your tongue to the roof of your mouth. Who knew that action was a cure-all that could fix all sorts of ailments? In this case, you have to alternate it with pressing a certain spot on your face. If this works, it would be a lot nicer on your nose than constantly blowing it.