Best King Size Mattress for Side Sleepers: Top Comfort and Support Choices

Last Updated on December 13, 2025 by Cassie Moorhead

There’s nothing worse than waking up with a sore neck or stiff shoulders after a night’s sleep. If you’re a side sleeper, finding the right mattress can feel like an endless struggle.

The wrong mattress can leave you tossing and turning, making your days harder and less productive. But the right king size mattress changes everything. It supports your body just right, relieves pressure, and helps you wake up refreshed and pain-free.

Imagine sinking into a bed that cushions your shoulders and hips perfectly, giving you the comfort you need all night long. In this article, we’ll explore some of the best king size mattresses designed specifically for side sleepers. These picks can help you sleep better and feel better every day. Keep reading to find the perfect mattress for your restful nights ahead.

Wfgey King Size Mattress

The WFGEY King Size Mattress is ideal for individuals or couples seeking a balanced combination of comfort and support in their sleep surface. Perfect for those who prefer a medium firm feel, this mattress caters to people who experience pressure points during sleep and desire motion isolation for undisturbed rest. If you value a cool and breathable sleeping environment alongside durable construction, this mattress is an excellent choice.

Pros:

• Includes memory foam and individual pocket springs for enhanced pressure relief and support.
• Offers superior motion isolation, minimizing disturbances from a partner’s movements.
• 12-inch height provides ample cushioning without compromising firmness.
• Breathable design ensures a cool and comfortable sleep throughout the night.
• Convenient mattress in a box packaging for easy delivery and setup.

Cons:

• Medium firm feel may not suit those who prefer very soft or very firm mattresses.
• Initial off-gassing odor common to memory foam products may be present.

The WFGEY King Size Mattress combines memory foam with individual pocket springs to provide tailored support that adapts to your body’s contours. This hybrid design helps alleviate pressure points, promoting better spinal alignment and reducing discomfort during sleep. The inclusion of pocket springs also enhances durability and responsiveness, ensuring the mattress maintains its shape over time.

Additionally, the mattress features a breathable construction that facilitates air circulation, helping to regulate temperature and keep you cool throughout the night. Its motion isolation capability is particularly beneficial for couples, as it minimizes the transfer of movements, allowing for uninterrupted rest. Overall, the WFGEY mattress offers a practical and comfortable sleep solution for those looking to improve their sleep quality with a well-engineered medium firm mattress.

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Bedstory King Mattress

The BedStory King Mattress 14 Inch Cooling Gel Hybrid Bed is ideal for side sleepers and couples seeking extra support and comfort throughout the night. Designed with extra lumbar and shoulder support, this mattress is perfect for those experiencing pain relief needs or looking to upgrade to a high-quality hybrid mattress certified by CertiPUR-US. If you value a cool sleeping surface combined with durable pocket springs, this mattress fits your lifestyle.

Pros:

• Features over 960 pocket springs for excellent motion isolation and support
• Includes cooling gel layers to regulate temperature and prevent overheating
• Extra lumbar and shoulder support ideal for side sleepers
• CertiPUR-US certified for safety and environmental standards
• Fiberglass-free construction for safer use
• Generous 14-inch thickness for enhanced comfort

Cons:

• May be on the firmer side for stomach sleepers
• Large king size dimensions require ample bedroom space
• Heavier weight due to hybrid design may require two people to move

The BedStory King Mattress boasts a combination of advanced cooling gel technology and a robust hybrid structure with over 960 individually wrapped pocket springs. This design not only promotes optimal airflow to keep you cool but also provides targeted pressure relief for the lumbar and shoulder areas, making it especially beneficial for side sleepers who often experience discomfort in these regions. The 14-inch thickness ensures that the mattress adapts well to different body types, delivering a balanced blend of softness and support.

In addition to comfort, the mattress emphasizes safety and durability. Its CertiPUR-US certification guarantees that the foams used are free from harmful chemicals, while the fiberglass-free construction adds peace of mind for health-conscious consumers. Couples will appreciate the mattress’s ability to minimize motion transfer, thanks to the pocket spring system, allowing undisturbed sleep even when sharing the bed. Overall, this mattress is engineered to enhance sleep quality by addressing common pain points and providing a cool, supportive sleeping surface.

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Novilla King Size Mattress

The Novilla King Size Mattress is ideal for individuals or couples seeking a comfortable and supportive sleep surface with a medium plush feel. Perfect for those who experience pressure points during sleep or prefer a mattress that helps regulate temperature for a cool night’s rest. This mattress suits sleepers who appreciate motion isolation, making it an excellent choice for light sleepers sharing a bed.

Pros:

• 12 Inch Gel Memory Foam layer provides excellent pressure relief and body contouring.
• Medium Plush Feel offers a balanced combination of softness and support.
• Motion Isolating design reduces disturbance from partner movements.
• Cool Night technology helps dissipate heat for enhanced sleep comfort.
• Generous dimensions of 76 x 80 inches provide ample space for king size comfort.
• Durable construction with a weight of 76 pounds ensures long-lasting use.

Cons:

• May be too soft for those who prefer a firmer mattress feel.
• Heavier weight could make moving or rotating the mattress more challenging.
• Grey color might not suit all bedroom décor preferences.

The Novilla King Size Mattress features a 12-inch thick gel memory foam layer that contours to the body, providing targeted pressure relief and helping to reduce common sleep discomforts such as joint pain. The gel infusion works to regulate temperature by dissipating heat, which is especially beneficial for hot sleepers seeking a cooler and more comfortable night’s rest. Its medium plush feel strikes the perfect balance for those who want softness without sacrificing support.

Additionally, the mattress incorporates motion isolating technology that minimizes disturbances caused by partner movements, making it ideal for couples. The substantial size and sturdy weight contribute to a stable and durable sleep surface, while the neutral grey color complements various bedroom styles. Overall, this mattress combines comfort, support, and advanced materials to enhance sleep quality for a wide range of users.

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Egohome 14 Inch King Size Memory Foam Mattress

The EGOHOME 14 Inch King Size Memory Foam Mattress is ideal for individuals suffering from back pain who seek a combination of support and comfort. This mattress is perfect for those who want a therapeutic medium firm surface that promotes spinal alignment while offering cooling features for a comfortable night’s sleep. Additionally, it suits customers looking for a high-quality, CertiPUR-US certified mattress made in the USA.

Pros:

• Cooling copper gel infusion helps regulate temperature and reduce night sweats.
• 14-inch thickness provides excellent support and cushioning for pressure relief.
• Medium firm feel offers optimal spinal alignment and comfort for back pain sufferers.
• CertiPUR-US certified foam ensures no harmful chemicals and safe usage.
• King size dimensions (76×80 inches) provide ample space for restful sleep.
• Foam is manufactured in the USA, ensuring quality and durability.

Cons:

• At 96 pounds, the mattress may be heavy to move and set up.
• The medium firm feel may not suit those preferring very soft or very firm mattresses.
• Initial off-gassing odor may be present for a short period after unpacking.

The EGOHOME 14 Inch King Size Memory Foam Mattress features advanced memory foam infused with cooling copper gel, which enhances breathability and temperature control. This technology helps sleepers stay cool throughout the night, reducing discomfort from overheating. Its medium firm composition offers therapeutic support that effectively alleviates pressure points and promotes healthy spinal alignment, making it highly beneficial for people with chronic back pain.

Additionally, the mattress is designed with high-quality materials that meet rigorous CertiPUR-US standards, ensuring safety and durability. The generous 14-inch thickness combines plush comfort with structural support, providing a balanced feel suitable for various sleeping positions. Its expansive king size dimension offers plenty of space for couples or those who prefer extra room, while the black color adds a sleek, modern look to any bedroom setting.

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Koulabr Z 14 Inch King Size Mattress

The KOULABR Z 14 Inch King Size Mattress is ideal for individuals seeking a perfect balance of comfort and support, especially those who sleep on their back or side. This mattress is designed for people who prefer a medium-firm feel combined with the cooling benefits of hybrid gel memory foam, making it suitable for most sleepers looking to enhance their sleep quality.

Pros:

• Hybrid gel memory foam provides excellent pressure relief and cooling properties.
• Medium-firm support ideal for back and side sleepers, promoting proper spinal alignment.
• Generous 14-inch thickness adds durability and comfort.
• King size dimensions (76 x 80 inches) offer ample sleeping space.
• Stylish grey color complements various bedroom décors.

Cons:

• At 76 pounds, it may be heavy to move or rotate without assistance.
• Medium-firm feel might be too firm for stomach sleepers or those who prefer ultra-soft mattresses.

The KOULABR Z 14 Inch King Size Mattress combines the benefits of hybrid and gel memory foam technologies to deliver a sleep surface that adapts to your body shape while maintaining a cool and comfortable temperature throughout the night. The gel-infused memory foam layer helps dissipate heat, making it an excellent choice for those who tend to sleep hot. Additionally, the medium-firm support ensures your spine stays aligned, reducing pressure points and minimizing aches and pains commonly experienced with softer or firmer mattresses.

With its substantial height of 14 inches, this mattress offers long-lasting durability and enhanced comfort, supporting various sleeping positions. The king size dimensions provide plenty of space for couples or individuals who enjoy extra room to stretch out. Its elegant grey color adds a modern touch, making it not only a functional but also a stylish addition to your bedroom setup.

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Frequently Asked Questions

What Mattress Type Suits Side Sleepers Best?

Hybrid and memory foam mattresses offer excellent pressure relief and support for side sleepers. They contour to your body and reduce pain in shoulders and hips.

How Does Cooling Gel Improve Mattress Comfort?

Cooling gel helps regulate temperature by dissipating heat. It keeps the mattress cool and comfortable, ideal for hot sleepers or warm climates.

What Is The Ideal Firmness For Side Sleepers?

Medium to medium-firm mattresses provide balanced support and cushioning. They prevent pressure points while maintaining proper spinal alignment for side sleepers.

Why Choose Mattresses With Pocket Springs?

Individual pocket springs reduce motion transfer and provide targeted support. They adapt to body contours, enhancing comfort for couples and restless sleepers.

Are Certipur-us Certified Mattresses Safer?

Yes, CertiPUR-US certification ensures mattresses are free from harmful chemicals. It guarantees safe, non-toxic materials for a healthier sleep environment.

How To Relieve Back Pain With A Mattress?

Opt for medium-firm mattresses with therapeutic support and pressure relief. Memory foam and hybrid designs help align the spine and reduce back pain.

Conclusion

Choosing the best king size mattress for side sleepers means focusing on comfort and support. Mattresses like WFGEY and BedStory offer great pressure relief and cooling features. Novilla and EGOHOME provide excellent motion isolation and pain relief benefits. KOULABR Z stands out with balanced support for both side and back sleepers.

A mattress that fits your sleeping style helps reduce aches and improves sleep quality. Remember, medium firm to medium plush feels work best for side sleepers. Breathable materials keep you cool throughout the night. Investing in the right mattress can make a big difference in how rested you feel.

Take your time to pick one that suits your needs and budget. Sleep well, wake refreshed, and enjoy every night with the perfect king size mattress designed for side sleepers.