Twin Size Mattresses

A standard Twin mattress is 38 inches wide by 75 inches long. It’s the smallest standard adult mattress size and the most common choice for children’s beds, bunk beds, and daybeds. Twin mattresses fit in rooms as small as 7 x 10 feet while still leaving walkable space around the bed. If you need extra length—for a taller sleeper or a college dorm—consider a Twin XL, which is the same width but 5 inches longer at 80 inches.

A Twin mattress measures 38” x 75”; a Twin XL measures 38” x 80”. The same width, but 5 inches longer. That extra length makes Twin XL the preferred choice for taller sleepers (over 6 feet) and is the standard size in most college dormitory frames. For children and average-height adults, a standard Twin provides the same sleeping surface at a slightly lower price point. Both sizes share the same width, so they’ll fit the same frame if it’s adjustable.

A Twin mattress is 38 inches wide; a Full is wider—both are 75 inches long. A Twin is designed for one sleeper; a Full can technically fit two, but it’s tight. For children and teens, Twin is the right size. For solo adults who want more room to move around, a Full offers noticeably more surface without requiring the footprint of a Queen.

Yes, a Twin is large enough for most adults, though it’s on the narrower side at 38 inches wide. Adults who sleep in a fairly fixed position typically find a Twin perfectly comfortable. Adults who tend to move around at night or sleep with a pet may prefer the extra width of a Full or Queen. For adults in small rooms, studios, or guest spaces, a Twin is a practical choice that leaves more room for the rest of the space.

Yes. All Leesa mattresses are GREENGUARD Gold certified and CertiPUR-US certified, independently tested for low VOC emissions and made without harmful chemicals including fiberglass, ozone depleters, PBDE flame retardants, heavy metals, and formaldehyde. Leesa also offers a dedicated Kids Mattress designed specifically for growing bodies, available in Twin size.

A Twin mattress needs a frame with an interior sleeping surface of approximately 38” x 75”. Most standard Twin bed frames, platform beds, daybeds, bunk beds, and trundle frames are built to these dimensions. When buying a frame, confirm the interior width and length rather than the overall frame dimensions, which are typically a few inches larger. Leesa’s platform bed frames are available in Twin size.

Yes. Twin is the standard size for most bunk beds. A standard Twin (38” x 75”) fits the vast majority of bunk frames sold in the US. Confirm the interior dimensions of your bunk frame before ordering, particularly the length, since some older frames were built shorter. Twin XL mattresses (38” x 80”) are too long for most standard bunk frames. Leesa’s memory foam and hybrid Twin mattresses both work well in bunk applications.

A Twin size mattress is 38 inches wide by 75 inches long (3 feet 2 inches by 6 feet 3 inches), or approximately 96.5 cm x 190.5 cm. Mattress thickness varies by model—Leesa Twin mattresses range from approximately 10 to 13 inches depending on the model. Check the individual product page for height specifics, which can affect whether a mattress fits under a top bunk or within a frame with low side rails. See our sizes & weights support article for more info.

Leesa offers Twin mattresses at a range of price points to suit different needs and budgets, from the Kids Mattress designed for growing bodies through to premium hybrid and cooling models. Every Leesa Twin ships free and comes with a 120-night trial and a limited lifetime warranty regardless of which model you choose.

It depends on whether you want more contouring or more responsive support. Memory foam conforms closely to the body, which is good for pressure relief and motion isolation. Hybrid mattresses combine foam layers with a coil support system for a more balanced feel—slightly more responsive, with better airflow. Leesa offers both constructions in Twin size. The Mattress Quiz can help you find the right match based on how you sleep.

Leesa offers a limited lifetime mattress warranty that covers the following:

• Deterioration of the mattress resulting in a visible indentation greater than one and a half (1.5) inches that is not associated with an indentation or sag as a result of an improper or unsupportive foundation or base.
• Any physical flaw in the craftsmanship of the mattress that causes permanent damage to the memory foam despite proper set-up and normal use.
• Any physical flaw in the craftsmanship of the cover, including seams and zipper assembly.

Please see our warranty page for full details, terms & conditions.

Every Leesa mattress comes with a 120-night trial. After 30 days of sleeping on your new mattress, if you're not happy with your purchase, the friendly folks on our Comfort Crew can help walk you through the process of returning and refunding.

Whenever possible, we donate any returned mattresses to a 501(c)(3) organization or one of our charity partners. One of Leesa's missions is to be a positive force in the world, so if we can donate a mattress in good condition rather than disposing of it in a landfill, that's the route we're going to take.

For more details, check out our full trial period and return policy.