6 Best Purple Mattresses for Side Sleepers 2025

The Purple Restore Mattress (Soft) – Twin XL is a revelation for side sleepers craving both plush comfort and unwavering support. At its core lies the proprietary GelFlex Grid, a hyper-elastic polymer layer that instantly conforms to shoulder and hip contours while resisting the slow-sink feel of traditional memory foam. Paired with a responsive coil base, this mattress delivers exceptional pressure relief without bottoming out—perfect for those who toss and turn or wake with joint stiffness. Its temperature-neutral design tackles one of the biggest pain points for hot sleepers: trapped heat.

In real-world testing, the Twin XL excels in motion isolation and edge support, making it ideal for shared beds—even if only one person uses it. The coil core enhances airflow, while the GelFlex Grid actively dissipates body heat, keeping sleep surfaces cool through summer nights. On softer surfaces, it maintains resilience where lesser foams would degrade, though petite sleepers might find the softness leads to slight sinkage near the waist. It handles combination sleeping beautifully but may feel too soft for strict back or stomach sleepers needing firmer alignment.

Compared to the Split King version, this Twin XL offers the same advanced materials and thermal regulation in a more compact, single-user format—ideal for dorms, guest rooms, or solo side sleepers prioritizing personalized contouring over split adjustability. While the Split King suits couples with differing preferences, this model shines for individuals seeking targeted pressure relief and cooling without compromise. It delivers nearly identical performance to the higher-end Plus King but with a simpler foam profile and less cushioning depth.

For side-sleeping couples who demand customized comfort on a king-sized canvas, the Purple Restore Mattress (Soft) – Split King stands in a league of its own. Each half features the signature GelFlex Grid that dynamically supports shifting hips and shoulders throughout the night, eliminating the “partner disturbance” common in shared beds. The split design allows dual firmness settings—crucial when one sleeper prefers soft cushioning while the other needs firmer backing—making it a masterclass in personalized ergonomics. Add in temperature-neutral breathability, and you’ve got a bed that solves two universal sleep problems: heat retention and mismatched preferences.

During extended use, the Split King proves its worth with edge-to-edge coil support and durable foam borders that prevent roll-off, even when sitting or sleeping near the edge. The coil core doesn’t just boost airflow—it enhances responsiveness, letting side sleepers reposition without fighting foam drag. However, its soft rating means heavier individuals may experience mild lumbar sinkage unless paired with a supportive base. While excellent for motion isolation, the coil system does transmit some low-frequency vibrations compared to all-foam designs.

Positioned against the Twin XL, this model offers the same elite materials but scales them for two—with the added benefit of independent sleep zones. It outperforms the Original and Plus models in customization, though it lacks the extra cushioning layer of the Plus King. Ideal for couples where both partners are side sleepers, it balances shared comfort with individualized support. It matches the luxury feel of high-end hybrids while outclassing them in cooling and adaptability.

The Purple Restore Mattress (Firm) – Twin XL is engineered for side sleepers who want firm foundational support without sacrificing pressure relief—a rare balance in the mattress world. Instead of relying solely on soft foam, it leverages the adaptive resilience of the GelFlex Grid to give targeted cushioning at the hips and shoulders while maintaining a taut, supportive base. This creates a floating-like sensation where joints are cradled, but the spine stays neutrally aligned—ideal for those with chronic shoulder or lower back pain. The coil system enhances durability and airflow, making it a top pick for hot sleepers who dislike the muffled feel of all-foam beds.

In practice, the firm version shines for lightweight to average-weight side sleepers who dislike sinking in. The hyper-elastic polymer grid rebounds instantly, so repositioning is seamless and motion transfer stays minimal. Unlike traditional firm mattresses that feel rigid, this one uses intelligent material science to soften impact points dynamically. However, heavier side sleepers (over 230 lbs) may find it too firm, lacking the deeper compression support needed to prevent joint strain. It’s also less forgiving for combination sleepers who switch to back or stomach positions.

When compared to the Soft Twin XL, this model trades plushness for structure—making it better suited for pain-prone or alignment-focused sleepers rather than those seeking cloud-like softness. It doesn’t offer the extra foam cushioning of the Plus King, but it outperforms the Original in edge support and longevity. For side sleepers who need spinal stability and cooling breathability, this firm variant delivers precision support with smart responsiveness—a standout in a category often dominated by one-note hardness.

The Purple Original The Mattress – Queen is a game-changer for budget-conscious side sleepers who refuse to compromise on innovation. Its 9.25-inch GelFlex Grid delivers instant responsiveness, eliminating the lag that traps sleepers in foam. This means shoulders and hips get real-time contouring without sinking too deep—critical for pain-free morning wake-ups. The grid’s open-air design promotes airflow, making it one of the most temperature-neutral mattresses under $1,400, a major win for those who overheat on memory foam.

In real-world use, the Original impresses with excellent motion isolation—a partner’s movements barely register, thanks to the grid’s flexible polymer structure. It performs best for lightweight to average-weight side sleepers (under 200 lbs), offering enough give at pressure points while keeping the spine aligned. Heavier users may feel more pressure on hips due to the thinner profile and lack of extra foam layers. While it cools well and resists sagging, the lower height can make it awkward with taller bed frames or mobility-impaired users.

Stacked against the Restore models, the Original lacks the coil base and deep edge support, but it nails the essentials: cooling, responsiveness, and pressure relief—at a much more accessible entry point. It’s not as customizable or durable as the Restore line, but for side sleepers seeking high-tech performance without the premium tag, it offers unmatched value. It delivers 90% of the Purple experience in a simpler, slimmer package, outperforming most all-foam queens in breathability and bounce.

Don’t let the price fool you—the 12 Inch Queen Mattress in a Box is a dark horse for side sleepers on a tight budget. Its gel memory foam top layer provides targeted pressure relief at the hips and shoulders, conforming closely without the stuck-in-the-bed feeling. Beneath, independently pocketed springs offer zonal support, adjusting to different body parts—softer for shoulders, firmer for the lumbar—making it surprisingly ergonomic. The breathable knit cover helps wick moisture, a rare plus at this price, keeping sleepers from overheating during humid nights.

In testing, this mattress shines in motion isolation thanks to the independent spring system, making it a solid choice for light sleepers sharing a bed. It inflates fully within 48 hours and fits most frames, including slatted bases. While the foam feels soft initially, it maintains shape well over time, though long-term durability remains unproven compared to higher-end foams. Heavy side sleepers may experience less durability in the foam layer, and the cooling is adequate but not exceptional—it won’t match Purple’s advanced grid tech.

Compared to the Purple Original, it lacks the instant responsiveness and open-grid airflow, relying instead on traditional memory foam and springs. It doesn’t offer the brand’s signature GelFlex Grid or USA-made quality, but for under $200, it delivers surprising comfort and support. It’s best for budget-focused side sleepers who want a soft, contouring feel with decent spinal alignment. While it doesn’t compete on innovation, it outperforms most sub-$250 mattresses in structure and cooling.

The Purple Plus King Mattress is the ultimate sanctuary for side sleepers who crave deep cushioning and elite pressure relief. With 2 inches of GelFlex Grid plus an extra layer of premium foam, it delivers a plush-yet-supportive feel that cradles hips and shoulders like a high-end hybrid, while still offering the instant rebound Purple is known for. This dual-layer comfort system sets it apart—unlike memory foam that traps, it responds dynamically to every shift, reducing pressure points without sacrificing responsiveness. For side sleepers with joint pain or arthritis, this is sleep medicine in mattress form.

Real-world testing confirms its superiority in pressure mapping and thermal regulation. The 1,400+ air channels in the grid ensure constant airflow, while the breathable base foams prevent heat buildup—no sweaty nights, even in summer. The 11-inch profile provides ample loft for easy in-and-out access, and the hypoallergenic materials make it ideal for sensitive sleepers. However, its plushness may be too much for back or stomach sleepers needing firmer spinal support.

Against the Restore Soft models, the Plus King adds an extra foam layer for enhanced cushioning, making it better for strict side sleepers who want a softer, more luxurious feel. While the Split King wins for couples, the Plus King is the best single-sleeper option for maximum comfort and body contouring. It combines the cooling of the Original with the depth of the Restore, outperforming both in pressure relief and material quality—the most complete Purple experience for side sleepers.