Being able to fly is a modern privilege: for the majority of human history, the idea of being able to ride a winged bird into the sky would have been nothing but mere fantasy.
But that doesn't stop it being a gigantic pain - one of the worst things being how difficult it is to get a good night's rest, especially when you're flying through the night on a long haul flight. Try as you might, there's every chance you'll stay awake, bored and arrive tired and angry.
Fortunately, help is at hand with the aid of this excellent infographic from Work The World, which details 10 ways to fall asleep on a plane. Ambient music, socks and avoiding snacking seem to be the key: take a look below.