Find the best way to put them in. My best friend and I laugh at how the other puts them in, but our ways work for us in our own way.
If you fall asleep with them in, you'll wake up to a gray world. Don't freak out, it wears off. Take them out and wear your glasses.
Do your best to take them out when your eyes feel as though they're just tired of having them in.
If you can't tell if the contact lens is backwards, place the lens on top of the crease between your palm and your pinky. Cup your hand and make the lens bow. Choose the side where the cup bows the best.