Best Mattresses for Side Sleepers UK: Top Comfort Picks for You

Last Updated on December 12, 2025 by Cassie Moorhead

There’s nothing worse than waking up with aches and pains. If you sleep on your side, finding the right mattress can feel like a never-ending struggle.

You toss and turn, hoping for comfort, but end up frustrated and tired. The wrong mattress can make daily life harder. It affects your mood, energy, and even your health. But the right mattress changes everything. It supports your body perfectly and helps you wake up refreshed and pain-free.

If you’ve been searching for the best mattress for side sleepers in the UK, you’re in the right place. Below, we’ll share some great options that could transform your sleep and your life. Keep reading to find a mattress that fits your needs and brings you the comfort you deserve.

Classic Brands Cool Gel Memory Foam Replacement Mattress For Sleeper Sofa Bed Twin

The Classic Brands 4.5-Inch Cool Gel Memory Foam Replacement Mattress is ideal for anyone looking to upgrade their sleeper sofa bed with enhanced comfort and support. Perfect for those who frequently host guests or want a plush, cozy sleeping surface in a compact space, this twin-sized mattress replacement is especially suited for people who value both comfort and durability in a mattress designed for multifunctional furniture.

Pros:

• Cool Gel Memory Foam technology helps regulate temperature for a cooler sleep experience.
• Plush 4.5-inch thickness provides excellent comfort and support for various sleeping positions.
• Compact dimensions (10 x 11 x 36 inches) make it easy to fit into most sleeper sofas and small spaces.
• Lightweight at 18.99 pounds, allowing for easy handling and installation.
• High-quality construction by Classic Brands ensures durability and long-lasting use.

Cons:

• May be too thin for individuals who prefer a firmer or thicker mattress feel.
• White color may show stains more easily, requiring regular maintenance.

The Classic Brands Cool Gel Memory Foam Replacement Mattress combines innovative cooling gel with supportive memory foam, making it an excellent choice for sleeper sofas that often lack comfort. The gel infusion helps dissipate heat, preventing the mattress from becoming uncomfortably warm during the night. This feature is particularly beneficial for hot sleepers or those living in warmer climates, as it promotes a more restful and refreshing sleep.

Additionally, the plush 4.5-inch thickness strikes a balance between softness and support, contouring gently to the body while maintaining the necessary structure to prevent sinking. Its compact size allows it to fit seamlessly into most twin sleeper sofas without adding bulk, making it a versatile and practical upgrade. Weighing under 20 pounds, it is easy to maneuver, which is perfect for users who need to frequently convert their sofa into a bed and back.

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Milliard 5 In. Deluxe Memory Foam Mattress Cot

The Milliard 5 in. Deluxe Memory Foam Mattress Cot is ideal for individuals seeking a comfortable and versatile mattress solution for bunk beds, daybeds, trundles, or folding beds. This mattress is perfect for those who need a compact yet supportive sleeping surface, such as college students, guest room users, or anyone with limited space looking to upgrade their existing bed setup.

Pros:

• Dual-sided design offers versatility and extended mattress life
• Made with high-quality memory foam for excellent support and pressure relief
• Compact dimensions (73.5″x31″x5″) fit perfectly in smaller bed frames
• Lightweight at only 13 pounds, making it easy to move and store
• Neutral white and grey colors match various room decors

Cons:

• May be too thin for those who prefer a thicker mattress
• Limited to specific bed sizes, not suitable for standard full or queen beds

The Milliard 5 in. Deluxe Memory Foam Mattress Cot features a dual-sided memory foam construction that allows users to flip between a softer side and a firmer side, catering to different comfort preferences. The mattress’s 5-inch thickness strikes a balance between portability and support, making it an excellent replacement for thin cot mattresses without sacrificing comfort. Its dimensions make it especially suitable for narrow beds such as bunk beds or trundle beds, where space is limited.

Additionally, the mattress is designed with durability in mind, featuring high-quality foam that maintains its shape over time. This ensures consistent support and pressure relief for a restful night’s sleep. The lightweight design also makes it easy to move or store when not in use, providing convenience for those who need a temporary mattress solution. Overall, this mattress offers a practical and comfortable upgrade for anyone needing a compact, supportive sleeping surface.

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Sleep Inc. Sleep Solutions Memory Foam Mattress

The Sleep Inc. Sleep Solutions 8 Inch Memory Foam Mattress, Twin is ideal for individuals seeking a comfortable and supportive mattress that fits standard twin bed frames. It is perfect for students, young adults, or anyone looking to upgrade their sleeping experience with a mattress that offers pressure relief and durability without taking up too much space. Those who prefer a medium-firm feel and want a mattress that adapts to their body’s contours will find this product especially beneficial.

Pros:

• Made with high-quality memory foam for excellent pressure relief and support.
• Compact 8-inch height ideal for twin beds and easy to handle.
• Lightweight design at 49 pounds, making it easy to move and set up.
• Neutral white color fits well with most bedroom decors.
• Manufactured by the reputable Corsicana Mattress Company, ensuring quality and reliability.

Cons:

• May not provide sufficient thickness for those who prefer a plush or very soft mattress.
• Memory foam can retain heat, which might be uncomfortable for hot sleepers.
• Limited size options as this model is specifically a twin mattress.

The Sleep Inc. Sleep Solutions 8 Inch Memory Foam Mattress offers a perfect balance of comfort and support with its high-quality memory foam construction. Its 8-inch thickness makes it a great fit for twin beds, especially in smaller living spaces such as dorm rooms or guest bedrooms. The memory foam contours to the body, helping to alleviate pressure points and promote better spinal alignment, which is essential for a restful night’s sleep.

Additionally, this mattress’s lightweight design allows for easy handling and setup, making it convenient for those who frequently move or rearrange their living spaces. The neutral white color complements most interior styles, enhancing the overall bedroom aesthetic. While the mattress is designed for durability and comfort, prospective buyers should consider their personal preferences for mattress thickness and temperature regulation before making a purchase.

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Early Bird Coppercool Performance Hybrid Mattress

The Early Bird CopperCool Performance 12″ Medium Hybrid Mattress is ideal for individuals seeking a balanced combination of comfort and support. This mattress is perfect for those who prefer a medium firmness level, making it suitable for a wide range of sleepers including back, side, and combination sleepers. If you value temperature regulation during sleep and want a mattress that adapts to your body while providing durability, this mattress is an excellent choice.

Pros:

• Features a unique CopperCool technology that helps regulate temperature and keep you cool throughout the night.
• Medium firmness offers a perfect balance of comfort and support for various sleeping positions.
• Hybrid design with high-quality materials from the Corsicana Mattress Company ensures durability and longevity.
• Dimensions of 12 inches height and 59 x 79 inches provide ample sleeping space for a comfortable rest.
• The mattress’ white color adds a clean, fresh look to any bedroom decor.

Cons:

• Weighs 87 pounds, which might make moving or rotating the mattress somewhat challenging.
• Medium firmness may not be suitable for those who prefer very soft or very firm mattresses.

The Early Bird CopperCool Performance Mattress incorporates a hybrid construction that combines the support of traditional innerspring coils with the comfort of advanced foam layers. This hybrid setup allows for excellent pressure relief and spinal alignment, which is essential for preventing aches and improving sleep quality. Additionally, the copper-infused foam enhances airflow and acts as a natural antimicrobial agent, contributing to a cleaner and cooler sleeping environment.

Another significant benefit is the mattress’s medium firmness, which strikes a balance between softness and support. This makes it adaptable for a variety of sleeping styles, reducing the chances of discomfort or pain. The mattress’s generous dimensions and solid build from the reputable Corsicana Mattress Company ensure that it will provide reliable comfort and last for years, making it a worthwhile investment for anyone looking to improve their sleep experience.

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Luuf Cooling Comfort Plush Hybrid Mattress

The Luuf Cooling Comfort Plush 13″ Hybrid Mattress is ideal for individuals seeking a perfect balance of support and softness, particularly those who tend to sleep hot or prefer a plush sleeping surface. This mattress is well-suited for side sleepers, couples, and anyone looking for a durable, comfortable mattress with advanced cooling features.

Pros:

• Combines the support of innerspring coils with the comfort of plush foam layers for optimal sleep experience
• Features advanced cooling technology to help regulate temperature throughout the night
• Durable construction by Corsicana Mattress Company ensures long-lasting performance
• Generous 13-inch height offers substantial cushioning and support
• Attractive blue color adds a stylish touch to the bedroom

Cons:

• Heavier weight (117 pounds) may require two people for setup or moving
• May be too plush for those who prefer a firmer mattress feel
• Dimensions may not fit all bed frames without proper measurement

The Luuf Cooling Comfort Plush 13″ Hybrid Mattress features a hybrid design that expertly blends the resilience of innerspring coils with the plush comfort of memory foam and cooling gel layers. This combination ensures users experience both pressure relief and adequate support, reducing the likelihood of tossing and turning throughout the night. The mattress’s cooling technology is particularly beneficial for hot sleepers, as it promotes airflow and dissipates heat effectively.

Crafted by the reputable Corsicana Mattress Company, this mattress boasts a sturdy build and premium materials that contribute to its durability. The 13-inch thickness adds a layer of luxury and support, making it suitable for a wide range of body types and sleeping positions. Overall, the Luuf Cooling Comfort Plush Hybrid Mattress offers a restful, cool, and supportive sleep environment that can enhance sleep quality for many users.

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Frequently Asked Questions

What Mattress Firmness Suits Side Sleepers Best?

Side sleepers need medium to medium-soft firmness mattresses. These provide proper shoulder and hip support, reducing pressure points. The Classic Brands Cool Gel Memory Foam offers plush comfort ideal for side sleepers. Hybrid options like Early Bird CopperCool provide balanced support and comfort for side sleeping positions.

Are Memory Foam Mattresses Good For Side Sleepers?

Yes, memory foam mattresses contour to the body and relieve pressure. The Milliard Deluxe Memory Foam Mattress offers excellent cushioning and support for side sleepers. Memory foam helps maintain spinal alignment and reduces tossing and turning during the night.

How Does Cooling Technology Benefit Side Sleepers?

Cooling technology prevents heat buildup and improves sleep quality. Mattresses like Classic Brands Cool Gel and Luuf Cooling Comfort Plush use cooling gel or airflow designs. These features keep side sleepers comfortable by regulating temperature throughout the night.

Can Hybrid Mattresses Support Side Sleepers Well?

Hybrid mattresses combine foam and innerspring coils for balanced support. Early Bird CopperCool and Luuf Cooling Comfort Plush hybrids offer pressure relief and spinal alignment. They suit side sleepers who want both softness and support in one mattress.

What Mattress Thickness Is Ideal For Side Sleepers?

Mattress thickness between 8 to 13 inches is ideal for side sleepers. Sleep Inc. Sleep Solutions 8 Inch and Luuf 13 Inch Plush provide enough cushioning and support. Thicker mattresses generally offer better contouring and pressure relief for side sleeping.

Conclusion

Choosing the right mattress for side sleepers in the UK can improve sleep quality and reduce pain. Mattresses like the Classic Brands Cool Gel Memory Foam and Milliard Deluxe Memory Foam offer great comfort and support. The Sleep Inc. 8 Inch Memory Foam mattress is perfect for those who want medium softness.

For better cooling and pressure relief, the Early Bird CopperCool and Luuf Cooling Comfort Hybrid mattresses work well. Each option suits different needs and budgets. Remember, a good mattress helps keep your spine aligned and eases shoulder and hip pressure.

Take your time to pick one that feels right for you. Sleep well, wake refreshed, and enjoy every day with less discomfort. Your body will thank you for a mattress designed for side sleepers.