Upgrade Your Sleep with The Luxury Comfort Mattresses

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The words “twin” and “single” are often used interchangeably to describe the same size mattress, but there is no difference between the two. While “twin” is considered the standard name in the U.S. for a mattress that measures 39 inches by 75 inches, other parts of the world favor the term “single” for a bed with the same dimensions. Wherever you go, 39” x 75” is the standard size for a bed designed for one person.

Yes, full-size beds and double beds are the same thing. Both terms refer to mattresses measuring 54 inches by 75 inches. Though the word “double” would suggest that a full or double bed is twice the size of a twin/single mattress, that’s not the case. A full mattress is 15” wider than a twin bed, but the same length. Double and full can still be used interchangeably, but double is an older term, and mattress manufacturers have mostly replaced it with the word full. Mattress Firm also carries futons that vary in thickness and sit on a full-size bed frame.

For the most part, no. Bed and mattress are terms used interchangeably for one another, but bed can sometimes suggest a set instead of a single mattress. The term bed could mean a mattress and box spring, or mattress, bed frame, box spring, and headboard. It’s unlikely that a manufacturer would list dimensions that included accessories, because their sizing isn’t standardized, and most mattresses can be paired with a variety of compatible accessories and generally aren’t sold as sets.

Technically, two twin beds are just two twin beds. However, at 39 inches by 75 inches, two twin or twin XL beds provide close to the amount of space of a king or California king mattress, which measures 76 inches wide by 80 inches long. Conveniently, these close measurements allow manufacturers to support king and California king mattresses using two side-by-side twin or twin XL box springs, so customers don’t have to worry about trying to drag a 76 inches wide by 80 inches long box spring—which won’t bend the way a mattress will—up a flight of stairs to a master bedroom.

In addition to standard mattress sizes, over the years, several “specialty” mattress sizes have been created. Not widely sold and often only made by certain manufacturers in a small selection of models, these mattress sizes may be worth exploring if you don’t feel standard options serve your needs. However, note that as a result of their rarity, specialty mattresses can be difficult to find accessories and bedding for, so factor that into your decision before you buy.

It depends. A full mattress provides each person with 27 inches of space, which is the equivalent width of a crib. If you’re considering a full bed because you have limited space or budget constraints, test one out with your partner and decide if the sacrifice in personal space and length makes sense. For shorter sleepers, it might, but taller sleepers may find a full bed’s 54 inches insufficient. Mattresses aren’t one size fits all, so focus on what size will work best for you.

The most popular mattress size in the U.S. is a queen. For many, the queen mattress balances adequate space for two people with a size that’s easier to move through narrow doorways and staircases. It also strikes a middle ground in terms of budget compared to pricier king mattresses. Don’t let the masses determine what size mattress you buy, though—do your research, and always consider the factors that matter most to you before you make a decision.

If you thought a traditional king was big, think again. The largest mattress size on the market is appropriately named the Alaskan king, measuring an opulent 108 inches wide by 108 inches long. If you have the space for this mattress size, you and your partner will each enjoy 54 inches of space—the equivalent of an entire full mattress—to yourselves. Looking for more space but not sure the Alaskan king is for you? Read more about why switching to a traditional king might be the right choice instead.

A split-king mattress is made up of two Twin-XL mattresses placed side-by-side measuring a total of 76" by 80". This helps deliver a more personalized feel for couples who have different bed type preferences and sleeping positions. To order or learn more, please contact our Sleep Experts by call or chat.