Best 9-Inch Twin XL-Size Mattresses


Our review process

We've already done all the heavy lifting researching 9-inch twin XL-size mattresses. That way, you don't have to pour over confusing articles about choosing the perfect one for you. By reading this article, you'll have an excellent understanding of what types of mattresses are available on the market, so you can confidently buy a mattress that will ensure comfortable sleep for years to come.

Looking to feel re-energized and enjoy a restful night's sleep? Consider a 9-inch twin XL-size mattress. Twin XL-size mattresses are built to save space, so they are perfect for areas with limited room. They are easily moved thanks to their compact construction. These mattresses measure 39" X 80" and are perfect for dorm rooms. Providing additional length, they are great for tall adults. However, they are a bit small to sleep two people, so they're less than ideal for couples.

9-inch mattresses are less likely to sag, so the surface will remain flat to ensure proper support. They are standard size, so you can rest assured knowing that they'll be able to fit in nearly all bed frames, unlike super thick mattresses. However, they tend to wear out quickly, so you will have to replace them more often. Moreover, they provide less support than other mattresses, so if you are prone to back or joint pain, then you should look for a thicker mattress.

Our Top Ranking Mattresses
Customer Rating
Brand
Comfort Dreams
Type
memory foam
Comfort
Customer Rating
Brand
Dream Solutions USA
Type
foam mattress
Comfort
firm
Customer Rating
Brand
Comfort Dreams
Type
gel memory foam
Comfort
medium plush
Customer Rating
Brand
Dream Solutions USA
Type
foam mattress
Comfort
firm
Best Overall Score
An image of Comfort Dreams M-092513561 Memory Foam Twin XL-Size 9-Inch Mattress

For a better night's rest and ultimate comfort, opt for a Comfort Dreams Memory Foam Twin XL-Size Mattress. This Comfort Dreams mattress features a 9-inch thickness, which doesn't provide the best support. Designed with antimicrobial benefits, it provides a healthier sleeping space. This Comfort Dreams mattress offers pressure point relief to improve comfort and provide relief for pain. Available in a twin XL-size, it provides additional length so taller individuals can be more comfortable. Featuring a memory foam construction, this Comfort Dreams mattress accommodates every possible sleeping position. It is resistant to dust mites, preventing allergens from collecting in your mattress.

    Pros
    • Antimicrobial benefits benefit people susceptible to allergies
    • Made with pressure point relief technology for added spinal and joint support
    • Eliminates motion transfer, making it great for restless sleepers
    Cons
    • Twin XL-size does not comfortably fit a couple
    • 9-inch thickness provides less support than thicker mattresses
    • Memory foam construction releases VOCs
Runner Up
An image of Dream Solutions USA Chiro Premier Firm Foam Twin XL-Size Firm Poly Foam 9-Inch Mattress

For a better night's rest and ultimate comfort, opt for a Dream Solutions USA Chiro Premier Firm Foam Twin XL-Size Mattress. Featuring a firm comfort level, this orthopedic mattress minimizes stress on muscles while bones absorb the most pressure and improving circulation. It features a 9-inch thickness, preventing your mattress from dipping in the center or falling on the sides. Available in a twin XL-size, it has several extra inches in length for those that need that extra sitting space on the end of the bed.

Designed with a foam construction, this orthopedic mattress requires very little maintenance and can last for long periods of time. This firm poly foam mattress features a VertiCoil innerspring core, which gives more stability to the mattress and also minimizes sagging over time. Featuring a reversible design, it can be flipped to extend the lifespan of your mattress. It has a supportive design, which ensures proper spinal support and alignment.

    Pros
    • Firm mattress adapts to the curves of your spine in order to keep your body straight
    • Built with a firm poly foam core to minimize sagging and soft spots
    • Features a VertiCoil innerspring core, providing more support around the perimeter and edges of the mattress
    Cons
    • Twin XL-size does not comfortably fit a couple
    • Firm mattress can put uncomfortable pressure on pressure points
    • 9-inch thickness wears out faster than other thicker mattresses
Additional Picks
An image of Comfort Dreams Medium Plush Gel Memory Foam Twin XL-Size 9-Inch Mattress

If good support and ventilation are your main considerations, the Comfort Dreams Medium Plush Gel Memory Foam Twin XL-Size Mattress could be what you need. Featuring antimicrobial fabric, this Comfort Dreams mattress is great for people who are affected by allergies. It reduces motion transfer so that any kind of movement won't disturb your sleep. With a gel memory foam construction, it gives off a unique plush feel.

Available in a twin XL-size, this Comfort Dreams mattress offers additional length for taller individuals. It features a medium plush comfort level, providing the perfect combination of softness and firmness. It has a 9-inch thickness, preventing your mattress from dipping in the center or falling around the edges. This Comfort Dreams mattress has a stretch knit cover, providing plenty of stretch while keeping its shape. It is designed with a removable cover, so you can easily freshen up your mattress by cleaning it. With resistance to dust mites, it makes it an ideal choice for those suffering from allergies.

    Pros
    • Medium plush mattress provides the perfect combination of softness and firmness
    • Made with antimicrobial materials to decrease the chances of bacteria surviving
    • Minimizes motion transfer, making it perfect for restless sleepers
    Cons
    • Twin XL-size does not comfortably accommodate couples
    • Medium plush mattress can get lumpy or sag over time
    • 9-inch thickness doesn't provide the most support
An image of Dream Solutions USA Firm Foam Twin XL-Size Firm Poly Foam 9-Inch Mattress

For a good night's rest and endless comfort, select a Dream Solutions USA Firm Foam Twin XL-Size Mattress. This orthopedic mattress is fire resistant, which is a safe choice for your home. It features a 9-inch thickness, so the mattress won't dip in the center or fall on the sides. It has a firm comfort level, which helps your body maintain good posture to prevent your back from curving. Available in a twin XL-size, this orthopedic mattress provides additional length for taller individuals.

This orthopedic mattress has a foam construction, which will require very little upkeep and can last for long periods of time. This firm poly foam mattress features a VertiCoil innerspring core, which gives more stability to the mattress and also minimizes sagging over time. It has a supportive design, which ensures proper spinal support and alignment. It features a no-flip design, so you can have twice the comfort layers to support deep, restful sleep.

    Pros
    • Firm mattress encourages a deeper sleep
    • Features a firm poly foam core to reduce soft spots and sagging
    • Features a VertiCoil innerspring core, providing increased support around the perimeter and edges of the mattress
    Cons
    • Twin XL-size does not comfortably accommodate couples
    • Firm mattress can put painful pressure on pressure points
    • 9-inch thickness doesn't provide the most support
An image of Blissful Nights 9BLSM-TL Firm Memory Foam Twin XL-Size Bamboo Charcoal-Infused 9-Inch Mattress

The Blissful Nights Firm Memory Foam Twin XL-Size Mattress is perfect for people who frequently have allergies. Featuring a 9-inch thickness, this hypoallergenic mattress provides you with a sturdy sleeping surface that won't sink in over time. Available in a twin XL-size, it offers extra length for taller individuals. Built with antimicrobial materials, it impedes the growth and development of bacteria. With a firm comfort level, it will conform to the natural curves of your spine in order to keep your body properly aligned.

This Blissful Nights mattress includes three layers, working together to ensure both comfort and support. It features a memory foam construction, allowing you to toss and turn and then re-contours to your body after you've settled. With hypoallergenic materials, it ensures a quality night's sleep. This Blissful Nights mattress is dust mite resistant, lowering your risk of having allergic reactions. It features a removable cover, so you can quickly freshen up your mattress by cleaning it. With bamboo charcoal-infused foam, it better regulates moisture, odor, and temperature within the mattress. It has charcoal infused foam to offer superior breathability.

    Pros
    • Firm mattress will adapt to the natural curves of your spine to keep your body properly aligned
    • Equipped with antimicrobial benefits to offer a healthy and clean sleep space
    • Helps reduce tossing and turning at night, significantly improving your quality of sleep
    Cons
    • Twin XL-size does not comfortably fit a couple
    • Firm mattress can put painful pressure on pressure points
    • 9-inch thickness doesn't provide the most support
Still Need Help Narrowing Down Your Options? Here's Some Additional Information to Consider:
Mattress Type: Which One Is Right for You?
Gel Memory Foam Mattresses

Trying to find a good gel memory foam mattress? This 9-inch twin XL-size mattress might be a good choice. With even weight distribution, these mattresses will balance body mass. They feature a breathable design to allow air to circulate freely, which extends the longevity of the mattress. Made from various materials, they will offer the just the right amount of comfort for a good night's rest. Providing pressure-point relief, they will soothe any stress in your joints. With superior motion isolation, these mattresses will ensure your partner doesn't wake you when moving.

Memory Foam Mattresses

If you're thinking about getting a memory foam mattress, this 9-inch twin XL-size mattress could be a good choice for you. These mattresses are built with different materials, giving you a range of foam densities to choose from. With pressure-point relief, they properly support your shoulders and hips in any sleeping position. They have superior motion isolation, which will make sure you don't wake your partner with your vigorous movements during the night, unlike traditional spring mattresses. Something to consider is that they aren't waterproof, so you'll need to be careful and make sure that they don't come into contact with moisture. In addition, they can smell a bit like chemicals initially, sometimes lasting up to many weeks before wearing off.

Foam Mattresses

If you're thinking about getting a foam mattress, this 9-inch twin XL-size mattress could be a good choice. These mattresses are built with various foam types, providing the support you desire. Providing pressure-point relief, they will soothe any stress in your joints. They have superior motion isolation, which will make sure you don't wake your partner with your vigorous movements during the night, unlike traditional spring mattresses. Something to consider is that they aren't waterproof, so you'll need to be careful and make sure that they don't come into contact with moisture. Additionally, they can smell a bit like chemicals initially, sometimes lasting up to many weeks before wearing off.

The Comfort Scale
Firm Mattresses

Are you searching for a firm mattress? A 9-inch twin XL-size mattress could be a good choice for you. These mattresses have a 34-36 pound indentation load deflection ranking and are perfect for those who tend to sleep on their back. They allow for even weight distribution, which will support your back and other sensitive areas. They promote circulation and blood flow, allowing you to enjoy deeper and more restful sleep. Something to keep in mind is that they can put painful tension on specific pressure points, so if you want a mattress that alleviates pain in pressure points, this is not the mattress for you. In addition, they may be uncomfortable if you're not accustomed to sleeping on hard surfaces, so it can take a couple of days to get used to them.

Medium Plush Mattresses

Interested in getting a medium plush mattress? A 9-inch twin XL-size mattress could be a good choice for you. Medium plush mattresses are suitable for people who move from their back to sides throughout the night and have an indentation load deflection rating of 24-26 pounds. Something to keep in mind is that they provide less support than other mattresses, so if you're looking for good support while sleeping, a harder mattress might be better for you. In addition, they are more likely to cave in over time, so it's possible that they'll be less supportive and comfortable since your body won't be aligned well.