Atlanta's Hartsfield-Jackson International Airport has hosted the micro-rooms since late 2009. Philadelphia International Airport also installed 13 suites in 2011.
Standard features include a daybed sofa and an HD television. A desk, phone, office chair and Wi-Fi internet connection ensures each suite can also act as a makeshift office space.
A minimum one-hour stay costs $30, while every 15 minutes thereafter is charged at a rate of $7.50.
Situated in Terminal one of Dubai International Airport, SnoozeCube offers a compact and soundproof room complete with bed, touchscreen TV and internet access.
There are currently 10 units in operation and a one-hour stay costs as little as $16. All SnoozeCubes are connected to the airport's flight information system to ensure that passengers do not miss their flights.