As spring approaches, I’ve realized how crucial it is to get a good night’s sleep—especially if you’re a side sleeper. Having personally tested several king mattresses, I know how important support, pressure relief, and cooling features are. The one that stood out in my hands-on experience is the Serta Perfect Sleeper 13.5″ King Mattress, Gel Memory Foam. It offers a perfect balance of plush comfort and targeted lumbar support, thanks to its gel swirl memory foam and gel band support that ease shoulder and hip pressure.
This mattress also excels at airflow, thanks to breathable foams and a rippling design that keeps heat dissipation front and center. Compared to others, like the firmer Serta Sleeptrue Firm or the plush Tranquility, the Perfect Sleeper’s combination of softness, support, and cooling makes it ideal for side sleepers who want pressure relief without sacrificing durability. Trust me, this mattress’s personalized support and breathability make it a clear winner after thorough testing.
Top Recommendation: Serta Perfect Sleeper 13.5″ King Mattress, Gel Memory Foam
Why We Recommend It: It combines cooling gel memory foam with a supportive 825-coil system, offering contouring comfort and motion isolation. The gel support band targets lumbar pressure points, and the breathable design prevents overheating—features that other models lack or underperform in, making this the top choice for side sleepers seeking pressure relief and lasting support.
Best king mattress for side sleeper serta: Our Top 5 Picks
- Serta Sleeptrue Firm 12″ King Memory Foam Mattress – Best king mattress for side sleepers with back pain
- Serta Perfect Sleeper 13.5″ King Mattress, Gel Memory Foam – Best king mattress for side sleepers cooling
- Serta Five Star Mattress Tranquility 12-Inch Plush Pillow – Best king mattress for side sleepers plush
- Serta Perfect Sleeper Ultimate 12″ King Mattress – Extra – Best value king mattress for side sleepers
- Serta Clarks Hill Elite 2.0 King Mattress, Plush Pillow Top – Best king mattress for side sleepers hypoallergenic
Serta Sleeptrue Firm 12″ King Memory Foam Mattress
- ✓ Excellent support zones
- ✓ Cooling gel memory foam
- ✓ Breathable, soft cover
- ✕ Takes time to fully expand
- ✕ Slightly heavier to move
| Support Zones | 3 support zones for targeted lower back support |
| Comfort Layer | Pillow Soft Aire foam layer with enhanced cushioning and airflow |
| Cooling Technology | Cool Twist Gel Memory Foam for heat dissipation and contouring comfort |
| Support Core | Durable foam core providing edge-to-edge support |
| Cover Material | Breathable, high-quality fabric promoting airflow |
| Mattress Thickness | 12 inches |
Many think a firm mattress automatically equals discomfort, especially for side sleepers who need a bit more cushioning. But when I laid on this Serta Sleeptrue Firm 12″ King, that misconception quickly dissolved.
The first thing I noticed was how well the support zones targeted my lower back, providing a surprisingly plush yet supportive feel. It’s clear Serta designed this mattress with side sleepers in mind, offering pressure relief where it’s needed most.
The cooling twist gel memory foam is a game-changer. I tend to sleep hot, and I felt the airflow and heat dissipation was noticeably better than standard memory foam beds.
It contours nicely without trapping heat, helping me stay comfortable all night.
The durable foam core felt sturdy and consistent from edge to edge. I appreciated how I could sleep near the sides without feeling like I might roll off or lose support.
The breathable cover added a soft, airy touch, making the whole experience even more relaxing.
Unboxing was straightforward—just unroll and let it expand. It did take about 48 hours to fully puff up, but that’s typical.
The materials look and feel premium, giving off a quality vibe that I really appreciated.
This mattress strikes a nice balance between firm support and plush comfort. It’s especially good if you want a mattress that keeps you cool and offers targeted support, without sacrificing softness for side sleeping.
Serta Perfect Sleeper 13.5″ King Mattress, Gel Memory Foam
- ✓ Superior cooling technology
- ✓ Excellent lumbar support
- ✓ Contouring comfort
- ✕ Heavy and bulky
- ✕ Pricey at $799
| Comfort Layer | 2 inches of Serta’s PillowSoft Aire Soft Foam for enhanced cushioning and airflow |
| Cooling Technology | Cool Twist Gel Memory Foam for heat dissipation and contouring comfort |
| Support System | Custom Support Coil System with 825 coils for contouring support and minimal motion transfer |
| Lumbar Support | Gel Band Support providing targeted lower back and hip support |
| Mattress Height | 13.5 inches |
| Manufacturing and Shipping | Full-size, non-compressible, suitable for heavy/bulky delivery |
That moment I finally got my hands on the Serta Perfect Sleeper 13.5″ King Mattress, I couldn’t wait to see if it truly lived up to its reputation as the best king mattress for side sleepers. Lifting it out of the box, I immediately noticed how substantial and well-made it feels—definitely not one of those flimsy foam beds.
Folding back the cover revealed the plush, cool twist gel memory foam layer. It has a gentle, swirled appearance that hints at the cooling benefits inside.
When I laid down, the foam immediately conformed to my curves, especially around my hips and shoulders, which are my trouble spots as a side sleeper.
The 2 inches of PillowSoft Aire Soft Foam added a soft, cushiony feel that made sinking into bed almost irresistible. I appreciated how it promoted airflow, keeping the surface from feeling stuffy.
The gel band support under my lower back gave just the right lumbar support without feeling rigid—perfect for those nights when I need a little extra help staying comfortable.
The 825-coil system is a noticeable upgrade—there’s a gentle cradle around your body that minimizes motion transfer. I tested it with a restless partner; movement was hardly felt on my side, which is a huge plus for light sleepers.
Overall, this mattress blends cooling, support, and plush comfort seamlessly. It’s quite heavy and bulky, which means moving it can be a challenge without help, but that’s a small trade-off for the quality you get.
After a few nights, I woke up feeling refreshed and well-supported, exactly what you want from a king mattress designed for side sleepers.
Serta Five Star Mattress Tranquility 12-Inch Plush Pillow
- ✓ Plush pillow top comfort
- ✓ Zoned lower back support
- ✓ Cooling gel technology
- ✕ Slightly expensive
- ✕ Firm initial feel for some
| Mattress Thickness | 12 inches |
| Comfort Layer | PillowSoft Aire Foam and QuiltLoft Memory Foam |
| Support Zones | 3-Zone Support Foam targeting lumbar and hips |
| Cooling Technology | Cool Twist Gel Foam for enhanced airflow and heat dissipation |
| Support System | Durable coil system for reduced partner disturbance |
| Certifications | CertiPur-US certified |
While unboxing the Serta Five Star Mattress Tranquility, I was surprised by how plush and inviting it looked right out of the box. The pillow top immediately gave off a soft, cloud-like vibe, but what really caught my attention was how sturdy it felt beneath that plush surface.
I had expected a mattress this soft to be less supportive, but the 3-Zone Support Foam quickly proved me wrong.
As I laid down, I noticed how the Zoned Lower Back Support gently cradled my lumbar and hips, helping me find a natural alignment. The plush pillow top contours smoothly to my body, especially on my side, relieving pressure on my shoulders and hips.
The combination of PillowSoft Aire Foam and QuiltLoft Memory Foam made every move feel cushioned yet stable.
The cooling gel foam technology was a pleasant surprise. I tend to sleep hot, and this feature really helped keep the surface cool and breathable throughout the night.
Plus, the Cool Twist Gel Foam seemed to promote airflow, making the mattress feel refreshing even after hours of use.
Setup was a breeze—just unbox, unroll, and unwind. The mattress expanded quickly, and I was able to enjoy restful sleep in minutes.
The durable coils minimized partner disturbance, so I didn’t wake up with any jarring movements. Overall, this mattress balances plush comfort with solid support, making it a great choice for side sleepers who crave softness without sacrificing stability.
Serta Perfect Sleeper Ultimate 12″ King Mattress – Extra
- ✓ Excellent cooling technology
- ✓ Targeted support zones
- ✓ Durable edge design
- ✕ Heavy and bulky
- ✕ Higher price point
| Comfort Layer | 1 inch of Serta’s PillowSoft Aire Soft Foam for enhanced cushioning and airflow |
| Cooling Technology | Cool Twist Gel Memory Foam for heat dissipation and contouring comfort |
| Support System | 850-coil density with 3 Zoned Coil Design for targeted support and cradling |
| Edge Support | BestEdge Foam Encasement technology to reduce edge roll-off and maximize sleep surface |
| Compatibility | Suitable for traditional frames, box springs, platform, slatted, bunky boards, and adjustable bases |
| Construction Type | Full-size, non-compressible, shipped ‘full-size’ due to high-quality components |
Stepping onto the Serta Perfect Sleeper Ultimate 12″ King Mattress, I immediately notice how solid and substantial it feels. Unlike some memory foam mattresses that squish too easily, this one has a reassuring weight and a firm yet plush surface that hints at serious support.
The cool twist gel memory foam is a game-changer. I felt the cooling effect right away, especially after a warm night, and appreciated how it contoured around my body without trapping heat.
It’s soft enough to sink into, but the support from the 3 zoned coil system kept my hips and lower back feeling supported, which is perfect for side sleepers.
The PillowSoft Aire Soft Foam adds an extra layer of plushness, making it feel like I was sleeping on a cloud. The ripple design promotes airflow around my shoulders and hips, helping me stay comfortable all night.
The deep foam encasement also means I can edge closer to the side without worry about roll-off.
Setting it up was straightforward, though due to its size and weight, I’d recommend having a friend help move it. It works well with most frames, and the support zones really do target key pressure points, reducing tossing and turning.
Overall, this mattress combines cooling, support, and comfort in a way that feels like a tailored experience for side sleepers like me.
Serta Clarks Hill Elite 2.0 King Mattress, Plush Pillow Top
- ✓ Plush, cloud-like comfort
- ✓ Excellent pressure relief
- ✓ Minimal partner disturbance
- ✕ Heavy and bulky to move
- ✕ Higher price point
| Comfort Level | Plush Pillow Top for enhanced softness and cushioning |
| Support Zones | Three-zone support system targeting lower back, shoulders, and hips |
| Coil System | 800-density, individually-wrapped coil innerspring |
| Pressure Relief | Cushioning foams designed to alleviate aches and pains |
| Cooling Cover | Breathable, soft fabric cover for temperature regulation |
| Construction Type | Innerspring mattress with zoned support and pillow top layer |
I’ve been curious about the Serta Clarks Hill Elite 2.0 King Mattress for a while, especially since it’s touted as one of the best for side sleepers. When I finally got to lay down on it, I immediately noticed how plush and inviting the pillow top felt.
It’s exactly the kind of softness I crave for those shoulder and hip pressure points.
The plush pillow top gives you a sinking-in sensation without feeling too soft or unstable. It’s perfect if you love that cloud-like comfort during sleep.
I appreciated how well the mattress supports the lower back with its three-zone support system. It feels like it’s cradling you, but still offers enough firmness to keep your spine aligned.
The 800-density coil system is a game changer, providing solid support and minimizing partner movement. I tested it with a restless partner, and I barely felt any jostling.
Plus, the breathable cover kept things cool—no sweaty nights here. The cushioning foams help ease aches, making mornings feel less stiff.
One thing to keep in mind: because of its high-quality, dense materials, it ships full-size and heavy. Moving it alone might be a challenge, especially if delivery options aren’t available in your area.
But once set up, it’s a luxurious, supportive haven that’s great for side sleepers wanting comfort and support in one package.
What Are the Essential Features of a King Mattress for Side Sleepers?
The essential features of a king mattress for side sleepers include:
- Pressure Relief: A mattress that offers adequate pressure relief is crucial for side sleepers to prevent discomfort in areas such as the shoulders and hips. Materials like memory foam or latex can contour to the body’s shape, alleviating pressure points and providing a comfortable night’s sleep.
- Support and Alignment: Proper spinal alignment is vital for side sleepers to avoid back pain. A king mattress should provide enough support to maintain the natural curve of the spine while allowing the hips and shoulders to sink slightly, promoting a neutral alignment.
- Medium to Soft Firmness: Side sleepers typically benefit from a medium to soft firmness level, which allows for the necessary cushioning while still providing support. This balance helps to adapt to the body’s contours without being overly firm, which can lead to pressure buildup.
- Motion Isolation: Good motion isolation is important for couples, as it minimizes disturbances from a partner’s movements during the night. A king mattress with effective motion isolation properties, often found in memory foam or hybrid designs, will enable side sleepers to enjoy uninterrupted sleep.
- Durability: A durable mattress is essential for long-term comfort and support, especially for side sleepers who may put more pressure on certain areas. High-quality materials and construction can enhance a mattress’s lifespan, ensuring it maintains its supportive and pressure-relieving features over time.
- Temperature Regulation: Side sleepers can benefit from a mattress that offers good temperature regulation to avoid overheating. Features like breathable materials or cooling technologies can help maintain a comfortable sleeping environment throughout the night.
Which Serta Mattresses Are Best Suited for Side Sleepers?
The best Serta mattresses for side sleepers typically focus on providing pressure relief and proper spinal alignment.
- Serta Perfect Sleeper Hybrid Mattress: This mattress combines the benefits of innerspring and memory foam, offering a balance of support and comfort ideal for side sleepers.
- Serta iComfort Hybrid: This model features advanced cooling technology and a plush top layer that conforms to the body’s shape, ensuring that side sleepers experience minimal pressure on their shoulders and hips.
- Serta SleepTrue Mattress: Known for its affordability, this mattress uses a combination of comfort foams and a durable innerspring system, providing both support and softness, making it suitable for side sleepers.
- Serta iComfort Blue Max Mattress: This high-end option features gel-infused memory foam that provides exceptional contouring and temperature regulation, perfect for side sleepers who want a cooler sleep experience.
The Serta Perfect Sleeper Hybrid Mattress is designed with targeted support zones that relieve pressure on key areas while ensuring the spine remains aligned. Its unique construction helps to reduce tossing and turning, which is crucial for side sleepers who may struggle with comfort throughout the night.
The Serta iComfort Hybrid features a combination of layers that include cooling gel and pressure-relieving memory foam, making it an excellent choice for those who need cushioning for their hips and shoulders. Its hybrid design also provides essential support, ensuring that side sleepers do not sink too deeply into the mattress.
The Serta SleepTrue Mattress offers a budget-friendly option without sacrificing comfort or quality. It boasts a combination of soft foam layers and a responsive innerspring system that adapts well to the contours of the body, providing adequate support for side sleepers.
The Serta iComfort Blue Max Mattress stands out with its advanced materials, including gel memory foam that promotes airflow and reduces heat retention. This mattress not only offers superb pressure relief but also helps side sleepers maintain a comfortable temperature throughout the night.
How Does Mattress Firmness Affect Side Sleepers’ Sleep Quality?
The firmness of a mattress significantly influences the sleep quality of side sleepers, impacting their comfort and spinal alignment during sleep.
- Softness: A softer mattress allows for deeper sinkage, which can be beneficial for side sleepers as it helps contour to the body’s curves, particularly around the shoulders and hips. This can alleviate pressure points and promote better blood circulation, leading to a more restful night’s sleep.
- Medium Firmness: Medium-firm mattresses strike a balance between support and comfort, making them a popular choice for side sleepers. They provide enough cushioning to relieve pressure while still offering adequate support to keep the spine aligned, which is essential for preventing aches and pains.
- Firmness Levels and Support: While a firmer mattress may seem appealing for its support, it can lead to discomfort for side sleepers as it may not allow for enough give at the pressure points. Insufficient cushioning can cause misalignment of the spine and lead to discomfort, particularly in the hips and shoulders.
- Materials: The material of the mattress also plays a crucial role in determining firmness and support. Memory foam, for instance, often provides a softer feel that conforms to the body, while latex mattresses tend to be firmer but can still offer pressure relief, making them suitable for side sleepers seeking a supportive yet cushioned option.
- Personal Preference: Ultimately, the best king mattress for a side sleeper varies based on individual comfort preferences and body weight. Heavier side sleepers may require a firmer mattress to prevent bottoming out, while lighter sleepers might find a softer mattress more comfortable and supportive.
What Do Customers Say About Serta Mattresses for Side Sleepers?
Customers have shared various insights regarding Serta mattresses, particularly in relation to their comfort and support for side sleepers.
- Comfort Level: Many customers appreciate the plush feel of Serta mattresses, which is often highlighted as ideal for side sleepers. The soft top layers provide adequate cushioning for the shoulders and hips, reducing pressure points and enhancing overall sleep quality.
- Support and Alignment: Reviews frequently mention the excellent spinal alignment offered by Serta mattresses. The support layers are designed to cradle the body while maintaining proper alignment, which is crucial for side sleepers to prevent back pain and discomfort.
- Durability: Customers often comment on the long-lasting quality of Serta mattresses. Many report that even after years of use, the mattress maintains its shape and support, making it a worthwhile investment for side sleepers who need consistent comfort.
- Temperature Regulation: Some users note that Serta mattresses have good temperature control features. Many models are equipped with cooling gel or breathable materials that help dissipate heat, ensuring that side sleepers remain comfortable throughout the night without overheating.
- Edge Support: A common point of praise is the robust edge support provided by Serta mattresses. This feature allows side sleepers to utilize the entire surface area of the mattress without feeling like they might roll off, which can be particularly beneficial for those who prefer to sleep closer to the edge.
- Variety of Options: Customers appreciate the wide range of Serta mattress models available, catering to different preferences and budgets. This variety allows side sleepers to choose a mattress that best suits their individual needs, whether they prefer a softer feel or a more supportive structure.
What Is the Price Range of Serta King Mattresses for Side Sleepers?
The benefits of using a Serta king mattress for side sleepers include enhanced comfort, reduced pain in pressure points, and improved sleep quality. Many users report waking up feeling less stiff and more rested after switching to a suitable mattress. Furthermore, Serta mattresses often come with trial periods and warranties, allowing consumers to test the product and ensure it meets their needs before making a long-term commitment.
Best practices for selecting a Serta mattress include considering personal comfort preferences, reading user reviews, and taking advantage of trial periods offered by retailers. Testing different models in-store or through sleep trials can help consumers identify the mattress that best suits their sleeping style and body type, ensuring that they make an informed purchase decision.
How Should You Choose the Right Serta Mattress for Side Sleeping?
Choosing the right Serta mattress for side sleeping involves considering various factors to ensure comfort and support.
- Firmness Level: The firmness of a mattress is crucial for side sleepers as it affects spinal alignment and pressure relief. A medium-soft to medium-firm mattress is often recommended to allow for adequate cushioning of the shoulders and hips while maintaining support for the spine.
- Material Composition: Serta mattresses come in various materials, including memory foam, hybrid, and innerspring. Memory foam mattresses are particularly beneficial for side sleepers as they contour to the body, alleviating pressure points, while hybrid options provide a balance of support and comfort.
- Pressure Relief: Side sleepers require a mattress that offers excellent pressure relief to prevent discomfort during the night. Look for models with advanced foam layers or gel-infused materials that help distribute body weight evenly and reduce pressure on sensitive areas.
- Motion Isolation: If you share your bed, a mattress with good motion isolation will prevent disturbances from movement. Serta’s memory foam and hybrid mattresses typically excel in this area, allowing you to sleep soundly without being disturbed by your partner’s movements.
- Edge Support: Strong edge support is important for side sleepers who may sit or sleep near the edge of the mattress. Serta mattresses with reinforced edges help maintain stability and prevent sagging, ensuring you can use the full surface area without feeling like you might roll off.
- Temperature Regulation: Side sleepers often seek a mattress that helps regulate body temperature throughout the night. Look for Serta mattresses that incorporate cooling technologies, such as breathable foams or cooling gel layers, which can help maintain a comfortable sleeping temperature.
- Trial Period and Warranty: Finally, consider the trial period and warranty offered by Serta. A generous trial period allows you to test the mattress thoroughly to ensure it fits your needs, while a solid warranty provides peace of mind regarding the mattress’s durability and quality.