Sick of sleeping on the floor of an airport and using your shoes for pillows? How about going to a chiropractor after fidgeting for hours in a metal airport chair? There’s simply no reason for you to do that. More and more airports across the world are offering miniature places to sleep that can be rented for just a few hours — or less. For those who have long layovers, this is a much more convenient option than taking a shuttle to a nearby airport hotel, plus it saves you time and money. From London to Tokyo, here are 10 airport pod hotels where you can catch some serious zzz’s.