Small single beds are the smallest available frame for adults. They’re 2 ft 6 inches wide (75cm) wide and 6ft 3 inches (190cm) long. This is 15cm or 6 inches narrower than single beds, making them a great option for extra small rooms. They’re also called twin beds, often bought in pairs for guest rooms. We also stock a wide range of small single mattresses, from pocket spring to memory foam, so there is no compromise on comfort.