It's not always easy to manage to fall asleep on an airplane, so how do flight attendants manage to catch their much-needed shut-eye? The most important thing is to dress comfortably. Wear loose-fitting clothes and big, thick socks. One Southwest flight attendant told Yahoo, "On long flights it helps to have on comfortable clothing and loose-fitting shoes. Due to pressurization, our bodies swell and it can be uncomfortable if you aren't used to it.