Why do we fall asleep on planes? Or feel gassy while flying? Or end up with greasy hair after a flight? Fear not, my friends. Industry experts have the answers.
![Why do we [nap, fart, cry, etc.] on planes?](https://i.pinimg.com/originals/61/d5/c8/61d5c847c4856ba6aee386659a77e41a.jpg)
