"Hey, look at the businessman nerd wearing the sleep mask! Ha ha! Yeah! Let's make fun of him for looking like a nerd! Except wait: he's asleep ...can't hear our insults and teasing ... hm, it seems to be a pretty deep sleep ... relaxed face, breathing calmly ... probably already in rapid eye movement sleep, probably getting lots of energy right now ... energy he could use for doing business ... or having fun ... maybe windsurfing ... and he looks like a newborn babe, tranquil and beautiful ... oh crap, I bet he's having some really awesome dreams right now, too ... probably dreaming about baseball ... and babes ... or maybe dinosaurs! Oh no! I'm jealous as hell at this cool nerd for dreaming about dinosaurs!!"
Congratulations, in-flight bullies, you've learned the golden rule: there's nothing nerdy about getting a good night's sleep.