Long-haul flights turn strangers into temporary neighbors crammed into metal tubes hurtling through the sky at 500 miles per hour. You've settled into your seat, maybe scored the window spot, popped in your earbuds, and drifted off somewhere over the Atlantic. Then you wake up to an unexpected situation: your seatmate has turned your shoulder into their personal pillow. Their head's resting there, possibly drooling on your favorite travel hoodie, and you're stuck in this weird limbo between politeness and personal space violation. The question isn't just whether you can report this behavior, but whether you should, and what actually counts as reportable conduct at 35,000 feet. Airlines deal with thousands of passenger complaints annually, but where does uninvited shoulder-napping fall on the spectrum of airplane etiquette violations?