Twin size mattress is generally made to accommodate one sleeper. Twin beds are used for daybeds, bunkbeds, and for small rooms. Two twin mattresses side by side are equal to a king mattress in width. If you are taller you may consider a twin XL size mattress set. Twin (also referred to a 'single') comes in plush, firm, pillow top.
Twin-XL size mattress(Extra-Long) is 5 inches in longer (compared to twin sized mattress) Twin extra-long mattress size is great for taller sleepers. Twin-XL is the same length as a queen or king, Twin XL mattress size is the most common mattress size found in college dorms.
Full size mattress or also known as a "double size mattress" Full mattress sizes are 15" wider than Twin mattress sizes and 5" shorter than a Queen mattress size. A Full bed is a tight fit for two adults and the same length as twin beds. Two adults sleeping on a full size is equivalent to each person sleeping on a crib mattress (27 inches of sleep space). Most people with a sleeping partner opt for the queen size. Full can be special ordered in Full extra long.
Full XL size mattress is the same width as a full mattress, but measures 5 inches longer. Full XL mattresses are great for taller sleepers who don't need all of the width of a queen mattress, but appreciate the extra leg room. Full XL beds are better suited for single sleepers rather than couples. Full size beds come in memory foam, natural latex and other high quality materials.
Queen size mattress is wider and 5 inches longer than a full sized mattress. These added inches can make all the difference in comfort, especially for couples, and have made the queen size bed today's most popular mattress size. However, with 30 inches of personal space, each adult still has 9 inches less width than if they slept alone in a twin bed.
Twin size mattressKing size mattress is the best choice for couples who don't have to worry about space in their bedroom. King size is also known as "Eastern King bed" the equivalent of sleeping on two twin XL mattresses and offers each person plenty of individual space without having to sleep on the edge.
California king size mattress is 12" wider than a Queen bed but adds 4" in length. Cal-king may be a better choice for taller adults. Cal-King size mattress is sometimes known as the "Western King". Bedding may be labeled either "California King" or "Western King". A California King bed set comes with one mattress and two half-width box springs to be more manageable when moving. Approx. width per person: 36"