A cot or a single bed, sometimes called a twin bed.
twin bunks
A twin bed is actually big enough for only one person--about 36" wide--and is sometimes called a single bed. The twin designation may be because there were often two in a bedroom. A double bed is big enough for two, about 54" wide, as I recall.
Twin X long bed is 5" longer.
Twin is bunk bed or small single. XL is also called a super single.
because the prince did something wrong so they called him a full.
A single bed is just one single A twin bed is two singles in one room - so a twin room
A twin bed is 39 inches by 75 inches. An extra long twin bed in 39 inches by 80 inches.
A twin trundle bed consists of a regular-sized twin bed which has an additional bed stored beneath it. These types of beds are often popular with children because they are out of the ordinary.
The Logik Twin Over Twin Bunk Bed set uses two normal twin mattresses.
The Coaster Louis Philippe Cherry Sleigh Bed is not a twin bed. It comes as a queen size, king size, or California king size, but not twin.
A twin bed is 39 × 75 in while a twin extra long is 39 × 80 in. So the extra long is 5 inches longer.