Give yourself a hand!

It's hard to imagine how much of a pain in the ass it must be to teach high school students. Teachers are underpaid, overworked, and probably put up with more petty crap on a daily basis than most people do in a year. They've dedicated their lives to educating kids, knowing that their guidance could mean the difference between success or failure in the lives of their students. So it has to be infuriating when they look out over the class and see one of them snoozing. Most people would be tempted to bounce a book off the kid's head. That's why this teacher deserves an "A" for restraint and a round of applause for creativity.

Sources: Reddit