Running a country can be very boring work. Queen Victoria's husband Prince Albert was famous for falling asleep in public especially during musical performances but at least he was never caught on video. Former President Bill Clinton wasn't so lucky. When the bleary-eyed dignitary fell asleep during a 2008 memorial for Dr. Martin Luther King Jr., his mid-speech nap time was recorded for all the world to see.
Love the sudden "I'm awake!" head-jerk, Mr. Clinton. It didn't work for us in our 8 a.m. college classes, and it's not working for you now.