Dying watching this video over here. Watched it twice and couldn't stop laughing ...
Some missing FAQs:
* How fricking hot is it in that pillow-hat?
* How do you prevent people from messing with you when sleeping on the train?
On a regrettably serious aside, I am curious if there is a natural advantage to sleeping with you hands over your head - opens your lungs up, but would make circulation more difficult ...