A queen-size bed is 80 inches long and 60 inches wide. It is the top-selling mattress size in the United States. A queen mattress is 6 inches wider and 5 inches longer than the next smallest size, which is full.
Queen-size mattress are often used by couples who do not want to give up the space for a king-size bed. King-size beds are the same length but are 16 inches wider. However, at 39 inches wide, a twin-size mattress offers more personal space. Some active sleepers who slumber alone choose the queen size because it provides a great deal of room to toss and turn. Because they are suitable for both singles and couples, queen-size mattresses are often used in guest rooms.