Best 9-Inch Hypoallergenic Mattresses


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No more reading through dozens of confusing articles to try to decide which 9-inch hypoallergenic mattress to get! By reading this article, you'll have an excellent understanding of what types of mattresses are on the market, so you can confidently buy a mattress that will ensure comfortable sleep for years to come.

Before choosing your new 9-inch hypoallergenic mattress, here are some things you'll want to know about. Less likely to cave in, 9-inch mattresses will provide ideal support, even after prolonged use. They feature a standard thickness, so you can rest assured knowing that they'll be able to fit in nearly all bed frames. However, they might start to sag if there's too much weight put on them, so if you're looking for a mattress for two, they're not a great choice for you. On top of that, they wear out quickly, so they will need to be replaced more often. These mattressess have a design that is better for children, which is critical because they are still growing. They naturally resist allergens including mold, mildew, and dust mites, making them an excellent option for anyone with sensitive skin.

Our Top Ranking Mattresses
Best Overall Score
An image of Blissful Nights 9BLSM-EK Firm Memory Foam King-Size Bamboo Charcoal-Infused 9-Inch Mattress

The Blissful Nights Firm Memory Foam King-Size Mattress is perfect for people who are more sensitive to allergies. This Blissful Nights mattress is available in a king-size, allowing partners to have their own sleeping space. It is designed with antimicrobial benefits, giving you added peace of mind that you will have a healthy bed. With a firm comfort level, it requires bones to absorb the most pressure so there is minimal weight on muscles. It features a 9-inch thickness, preventing your mattress from sagging in the middle or falling around the edges.

This Blissful Nights mattress features a memory foam construction, accommodating every possible sleeping position. Designed with hypoallergenic materials, it is perfect for those who have allergies or skin sensitivities. It features a removable cover, making it easy to clean. This Blissful Nights mattress is dust mite resistant, making it a good choice for those who suffer from allergies. With bamboo charcoal-infused foam, it better regulates moisture, odor, and temperature within the mattress. It has charcoal infused foam to offer superior moisture and temperature control.

    Pros
    • Firm mattress aligns your spine properly to ensure good posture while sleeping
    • Features antimicrobial fabric, making it perfect for people who are affected by allergies
    • Helps reduce tossing and turning at night, significantly improving your quality of sleep
    Cons
    • King-size does not fit in small spaces
    • Firm mattress can put uncomfortable pressure on pressure points
    • 9-inch thickness doesn't provide the best support
Runner Up
An image of Blissful Nights 9BLSM-F Firm Memory Foam Full-Size Bamboo Charcoal-Infused 9-Inch Mattress

The Blissful Nights Firm Memory Foam Full-Size Mattress is perfect for people who are more sensitive to allergies. This Blissful Nights mattress has a 9-inch thickness, which can support heavy weight without sagging. Featuring a firm comfort level, it will keep your lower back from sinking into the mattress, leading to improved circulation and higher quality of sleep. Designed with hypoallergenic materials, it is ideal for those who suffer from allergies or skin sensitivities. It is dust mite resistant, keeping your sleeping area pest and allergy-free. Available in a full-size, this Blissful Nights mattress is perfect for accommodating one sleeper.

Featuring a memory foam construction, this Blissful Nights mattress allows you to toss and turn and then re-contours to your body after you've settled. It is designed with a removable cover and features a washable cover, keeping it free from dirt or stains over long-term use. This hypoallergenic mattress features Visco memory foam and 3 lbs Visco memory foam layers. It features antimicrobial materials, which ensure a hygienic sleep space. This bamboo charcoal-infused Blissful Nights mattress has exceptional breathability to prevent moisture build-up. It has charcoal infused foam to offer superior breathability.

    Pros
    • Firm mattress will provide support to your body in any sleeping position
    • Features antimicrobial fibers, making it ideal for people who are affected by allergies
    • Helps eliminate tossing and turning at night, drastically improving your quality of sleep
    Cons
    • Full-size does not reasonably accommodate couples
    • Firm mattress can put painful pressure on pressure points
    • 9-inch thickness doesn't provide the best support
Additional Picks
An image of TFS Memory Foam California King-Size 9-Inch Mattress

The TFS Memory Foam California King-Size Mattress is ideal for people who frequently have allergies. Built with antimicrobial materials, this organic mattress prevents the growth and development of bacteria. It has a supportive design, aligning your spine horizontally while sleeping on your side. With a memory foam construction, it allows you to move around in your sleep and then re-contours to your body after you've found a comfortable position.

Available in a California king-size, this TFS mattress offers four extra inches in length, making it great for taller individuals. It is made with a cotton cover, which helps keep you warm during the winter and cool during the summer. Featuring a 9-inch thickness, it provides you with a sturdy sleeping surface that won't sag over time. It features a quilted cover, providing added comfort and cushioning. Featuring a jacquard cover, this TFS mattress provides your mattress with a more luxurious look. It features a hypoallergenic design to decrease the symptoms of allergies. This TFS mattress is dust mite resistant, lowering your risk of having allergic reactions.

    Pros
    • Features a cotton cover, making it perfect for people with allergies and skin sensitivities
    • Built with antimicrobial materials to decrease the chances of bacteria surviving
    • Supportive design ensures proper spinal support and alignment
    Cons
    • California king-size reduces the width of sleeping space
    • 9-inch thickness provides less support than thicker mattresses
    • Features a memory foam construction, making it harder for some to get off of the bed
An image of TFS SLEEPYT Memory Foam Twin-Size 9-Inch Mattress

Looking to sleep sweetly in a mattress made free of harsh chemicals? The TFS Memory Foam Twin-Size Mattress is just that. This TFS mattress has a 9-inch thickness, which can withstand additional weight without sagging. It is resistant to dust mites, so your sleeping space will be pest and allergy-free. Featuring a cotton cover, it is easy to wash and won't hold onto odors. It is available in a twin-size, making it the perfect size for children's rooms and dorm rooms.

This organic mattress has a jacquard cover, which provides extra padding for a more comfortable feel and additional support. It features a quilted cover, which stretches to fit a large mattress perfectly. With organic materials, it makes the air free of VOCs. Featuring a memory foam construction, it reshapes itself to your body as you move around at night. It has antimicrobial benefits, protecting you from noxious bacteria. It has a supportive design, aligning your spine horizontally while sleeping on your side. With eco-friendly fabric, this TFS mattress doesn't have harmful chemicals that negatively affect the environment and your health.

    Pros
    • Features a cotton cover, protecting the mattress while also adding a bit of cushioning
    • Antimicrobial benefits assist people susceptible to allergies
    • Supportive design ensures proper spinal support and alignment
    Cons
    • Twin-size does not reasonably accommodate couples
    • 9-inch thickness provides less support than thicker mattresses
    • Memory foam construction can be hard for some to get off of the bed
An image of Blissful Nights 9BLSM-T Firm Memory Foam Twin-Size Bamboo Charcoal-Infused 9-Inch Mattress

If you are sensitive to allergies, consider the Blissful Nights Firm Memory Foam Twin-Size Mattress. Built with antimicrobial materials, this Blissful Nights mattress fights against any noxious bacteria. It is designed with a memory foam construction, letting you move around in your sleep and then re-contours to your body after you've found a comfortable position. Available in a twin-size, this hypoallergenic mattress has a compact design, fitting well in any space. It has Visco memory foam and 3 lbs Visco memory foam layers. Featuring a 9-inch thickness, it provides you with a sturdy sleeping surface that won't sink in over time. With a firm mattress, it provides additional support to help with aches and pains. This Blissful Nights mattress is designed with a removable cover, so you can conveniently clean it. It has a hypoallergenic design to minimize the symptoms of allergies. This Blissful Nights mattress is dust mite resistant, keeping your sleeping space allergy and pest-free.

    Pros
    • Firm mattress provides superior support to keep the body from sinking
    • Antimicrobial benefits protect you from unsafe bacteria
    • Helps eliminate tossing and turning at night, drastically improving your quality of sleep
    Cons
    • Twin-size does not reasonably accommodate couples
    • Firm mattress can put uncomfortable pressure on pressure points
    • 9-inch thickness doesn't provide the best support
An image of Blissful Nights 9BLSM-CK Firm Memory Foam California King-Size Bamboo Charcoal-Infused 9-Inch Mattress

If you tend to suffer from allergies, consider the Blissful Nights Firm Memory Foam California King-Size Mattress. This hypoallergenic mattress has a firm comfort level, which will provide support to your body for all sleeping positions. It features a 9-inch thickness, so the mattress won't dip in the center or collapse on the sides. Available in a California king-size, it offers four extra inches in length, making it ideal for taller individuals. With a hypoallergenic design, it is perfect for those who suffer from allergies or skin sensitivities.

With a memory foam construction, this Blissful Nights mattress accommodates every possible sleeping position. It features a removable cover, giving you the option wash it or clean it. It has Visco memory foam and 3 lbs Visco memory foam layers. It has antimicrobial benefits, which prevent bacteria and other microbes from growing and nesting deep within the mattress. It has charcoal infused foam to offer superior breathability. It features bamboo charcoal-infused foam.

    Pros
    • Firm mattress will conform to the natural curves of your spine to keep your body properly aligned
    • Features antimicrobial fabric, ensuring that your bed is a free of harmful particles and pests
    • Provides pressure point relief, allowing certain areas that are stressed throughout the day to receive the support they need during a night's sleep
    Cons
    • California king-size reduces the amount of horizontal sleeping space
    • Firm mattress can put uncomfortable pressure on pressure points
    • 9-inch thickness doesn't provide the best support
An image of Comfort Dreams Gel Memory Foam Twin-Size 9-Inch Mattress

The Comfort Dreams Gel Memory Foam Twin-Size Mattress is perfect for people who frequently have allergies. Equipped with antimicrobial benefits, this hypoallergenic mattress ensures a healthier sleeping space. It eliminates motion transfer, making it ideal for restless sleepers. Designed with a gel memory foam construction, it gives off a unique plush feel.

This Comfort Dreams mattress is available in a twin-size, making it the perfect dimensions for dorm rooms and children's rooms. With a 9-inch thickness, it provides you with a sturdy sleeping surface that won't sink in over time. It features 2.5 lbs foam and gel memory foam layers. It has a removable cover, so you can conveniently change and clean it. This Comfort Dreams mattress features a stretch knit weave, keeping your mattress looking newer for longer. Made with eco-friendly fabric, this hypoallergenic mattress doesn't contain harmful chemicals that affect the environment and your health. It is dust mite resistant, keeping your sleeping area allergy and pest-free.

    Pros
    • Features antimicrobial fibers, providing you with a clean and hygienic sleep environment
    • Eliminates motion transfer, making it perfect for restless sleepers
    • Helps reduce tossing and turning at night, improving your quality of sleep
    Cons
    • Twin-size does not reasonably accommodate couples
    • 9-inch thickness doesn't provide the most support
    • Gel memory foam construction can get hot when sleeping on it
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 ideal for people who are more sensitive to allergies. Built with antimicrobial materials, this Blissful Nights mattress impedes the growth of bacteria. It is designed with a memory foam construction, letting you move around in your sleep and then re-contours to your body after you've found a comfortable position. Available in a twin XL-size, it offers additional length for taller individuals. This hypoallergenic mattress features Visco memory foam and 3 lbs Visco memory foam layers. It has three layers and a firm comfort level, which is perfect for people who need precise spinal alignment or improved blood circulation. Featuring a 9-inch thickness, it provides you with a sturdy sleeping surface that won't sink in over time. This Blissful Nights mattress has a removable cover, giving you the option wash it or clean it. It has a hypoallergenic design to minimize the symptoms of allergies. It is dust mite resistant, making it a good choice for people suffering from allergies.

    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
More Information to Help You Figure Out Which 9-Inch Hypoallergenic Mattress to Get:
Mattress Type: Which Is the Best Choice for You?
Gel Memory Foam Mattresses

Looking for a good gel memory foam mattress? This 9-inch hypoallergenic mattress might be a good choice for you. With even weight distribution, these mattresses offer adequate spinal alignment. Made of various materials, they will provide the just the right amount of comfort for a good night's sleep. They have pressure-point relief, which helps ease any tension in your joints. Featuring a breathable design, they allow air to circulate freely, which will help keep them in good shape over time. Thanks to superior motion isolation, these mattresses will make sure you don't wake your partner when moving.

Memory Foam Mattresses

Before you buy, you'll want to decide if a memory foam mattress is right for you. We recommend to start by looking at this 9-inch hypoallergenic mattress to help make up your mind. Made with various materials, these mattresses come in your preferred choice of foam density. They feature pressure-point relief, which helps alleviate any pain in your joints. These mattresses have superior motion isolation, so your movements won't disturb your partner. A potential downside is that they aren't waterproof, so you'll have to be extra careful and make sure that they don't come into contact with too much moisture. Moreover, these memory foam mattresses can smell a bit like chemicals initially, so you should air them out for at least 24 hours before adding sheets.

Understanding How to Select the Right Size for a 9-Inch Hypoallergenic Mattress
King-Size Mattresses

If you're trying to figure out what size 9-inch hypoallergenic mattress to get, we'll can help you decide. These mattresses are perfect for master bedrooms and measure 76" X 80". They are designed to spaciously accommodate couples, offering sizable space for two people. One downside is that they are heavy and large, making them difficult to move and flip. Additionally, these mattresses are not ideal for small areas, since they can make the area look somewhat cluttered. Now that you know some things about king-size mattresses, if you think you want one, take a look at this one.

Full-Size Mattresses

Are you looking for a full-size mattress? This comfortable 9-inch hypoallergenic mattress could be right for you. These full-size mattresses measure 54" X 75" and fit well in studio apartments. They are designed to reasonably accommodate couples, providing a snug fit between the two sleepers. One downside is that these mattresses are short in length, so if you're taller than 6'3", you might want to consider a longer bed. Moreover, they have a narrow width, so you will have limited space to move when sharing your bed with someone else.

Twin XL-Size Mattresses

Are you curious about a twin XL-size mattress? This comfortable 9-inch hypoallergenic mattress could be right for you. These twin XL-size mattresses are perfect for dorm rooms and measure 39" X 80". They are designed to be longer, which is suitable for tall adults who require extra leg room. These mattresses are easy to transport when moving or flipping due to their lightweight build. They are constructed to save space, so they are great for areas with limited space. Something to keep in mind is that they are a bit small for two people to sleep on, so they're not ideal for those who share their bed.