These rooms contain beds for crewmembers to use. The beds fold up into the wall when not in use. The beds are rectangular but can be remotely adjusted to flex at any point. About one third of the Sleeping Quarters are large "Master Bedrooms", the rest are regular size. There are at least 18 of the large rooms. The lights are controlled by voice commands. Clothes are cleaned by the Autocleaning Systems. The large sleeping quarters have their own bathrooms.