Originally Posted by
Rebelyell
It's too late now since your brother is already facing this situation, but others might consider trying this at home. Find the most uncomfortable chair you can find in your house and try to sleep in it all night. If you get a good night's sleep then in the future you can likely sleep in the airport. If not, it might be wise to find a bed.
Meh, I would just use my carryon as a pillow and lay on the floor with my jacket as a blanket.