The WinkBeds GravityLux is an all-foam mattress for people who want pressure relief without the slow, deep sink of traditional memory foam. Its responsive AirCell foam and firmer support layers make changing positions easier, while three firmness choices—Soft, Medium, and Firm—give side sleepers, back sleepers, and combination sleepers a practical way to match the feel to their needs. This review breaks down how the Medium performed, where the other firmnesses fit, and when a hybrid or denser foam bed makes more sense. You can also browse our full mattress review library to compare more models.
Table of Contents
- GravityLux at a glance
- Is the GravityLux worth it?
- How we evaluated the GravityLux
- GravityLux: Our Testing Experience
- Where the GravityLux stands out—and where it doesn’t
- Construction, firmness, and policies
- How the GravityLux scored
- Which GravityLux firmness should you choose?
- What should you know before buying?
- How does the GravityLux compare with alternatives?
- Tips for getting the best fit
- FAQs
GravityLux at a glance
| Mattress | Overall Score | Pros | Cons | Ideal For |
|---|---|---|---|---|
| GravityLux | 4.3/5.0 | Responsive contouring, strong motion isolation, three firmness choices | Noticeable seated-edge compression and less bounce than latex or coils | Couples, combination sleepers, and pressure-sensitive side sleepers |
Is the GravityLux worth it?
The GravityLux is a strong choice for sleepers who like foam contouring but dislike feeling trapped in the mattress. On the Medium, the comfort layers eased pressure at the shoulder and hip, while the firmer transition and core kept the pelvis from continuing to sink. It felt calmer than a hybrid when a partner moved, yet faster to reset than dense, slow-response memory foam.
Medium is the best starting point for most side/back combination sleepers and couples with different preferences. Soft adds more room for the shoulder and hip, making it the better choice for lighter and pressure-sensitive side sleepers. Firm keeps the body more level and is the GravityLux option best suited to back and stomach sleepers.
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Who It’s For
- Couples who want a quiet surface with very little motion transfer
- Side/back combination sleepers who need contouring and steady midsection support
- Foam fans who want to turn over without fighting a deep body impression
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Who It’s Not For
- Sleepers who want the springy lift of latex or coils
- People who regularly sit on the edge and need a rigid perimeter
- Very hot sleepers who prioritize maximum airflow over motion isolation
How we evaluated the GravityLux
Our testing team used the GravityLux for nightly sleep and repeatable daytime checks after the foam had settled. We evaluated support, cooling, pressure relief, motion isolation, responsiveness, edge support, and durability. The routine included posture photos, timed position changes, surface-temperature readings, a weighted edge sit, and three controlled ball drops for motion transfer.
GravityLux: Our Testing Experience
Our Medium sample measured 11 inches tall and served as the main sleep surface for 21 nights. It felt like a true 5/10 after the initial break-in: soft enough for the shoulder to settle during side sleeping, but firm enough under the waist and hips to avoid a hammock-like dip. Moving from side to back took little effort because the surface regained most of its shape as soon as body weight shifted.
Marcus (6'1", about 230 pounds) felt steady support under his hips when lying on his back. Jenna (5'7", about 160 pounds) got more shoulder cushioning on her side, while Ethan (6'0", about 190 pounds) could switch between back and side sleeping without feeling held in place. Dr. Adrian Walker, MD, reviewed the posture images and found the best alignment when the shoulder could sink without the pelvis dropping farther into the bed.
Motion isolation was the clearest strength. A 10-pound ball dropped from 6 inches away sent a brief ripple through the foam, but movement at a sensor 12 inches away settled in an average of 0.8 seconds across three drops. That matched the overnight experience: turning over or getting up rarely disturbed the other side.
Heat buildup was moderate rather than absent. The surface rose from 70.1°F to 77.8°F after 30 minutes of lying still, then cooled to 72.6°F within 10 minutes after we got up. That is comfortable performance for an all-foam bed, although the Latex Hybrid moved heat away faster. Edge support showed the expected tradeoff. Under a 200-pound seated load for 30 seconds, the perimeter compressed 3.1 inches versus 2.2 inches at the center. Sleeping near the side still felt secure, but sitting there to dress produced a clear dip.
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What we liked
- Midsection support kept the hips level without making the surface feel hard
- Partner movement faded quickly and stayed close to where it started
- Medium balanced pressure relief with enough response for easy position changes
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Who it is best for
- Side/back combination sleepers who change position several times a night
- Couples who are sensitive to motion transfer
- People who enjoy foam contouring but dislike a slow, sticky feel
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Where it falls short
- The seated edge compresses more than the reinforced perimeter of a good hybrid
- There is enough response for easy movement, but little springy bounce
- Firm can feel too unyielding for lighter side sleepers, while Soft may allow too much hip sink for some stomach sleepers
Where the GravityLux stands out—and where it doesn’t
| Pros | Cons |
|---|---|
| Relieves pressure without an overly deep sink | Seated-edge support falls short of reinforced hybrids |
| Offers three distinct firmness choices | Provides less bounce than latex or coils |
| Absorbs partner movement exceptionally well | May release a mild foam odor after unboxing |
| Uses targeted support to steady the midsection | Very hot sleepers may prefer the airflow of a hybrid |
Construction, firmness, and policies
- Mattress type: all-foam
- Height: 11 inches
- Firmness options: Soft (4/10), Medium (5/10), and Firm (7/10)
- Cover: eucalyptus-derived TENCEL, tufted with cooling gel foam
- Comfort and transition layers: gel foam, AirCell memory foam, and Progression Foam; exact layering varies by firmness
- Support core: 1.8 lb-density ATLAS Core foam
- Cooling features: moisture-wicking TENCEL and heat-dispersing foam layers
- Motion features: SleepCalm motion-isolation design
- Trial: 120 nights, with a 30-night minimum before return or exchange
- Returns: eligible returns include pickup and a full refund
- Exchanges: $49 logistics fee and a 60-night trial on the replacement mattress
- Warranty: Lifetime Limited Warranty
How the GravityLux scored
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.6/5.0 | The Medium kept the pelvis from sinking too far in back and side posture checks. |
| Cooling | 4.2/5.0 | Heat dissipated well for foam, though latex and coil beds retain an airflow advantage. |
| Pressure Relief | 4.3/5.0 | Medium cushioned the shoulder and hip without losing midsection support; Soft adds more give. |
| Motion Isolation | 4.5/5.0 | Movement stayed localized during controlled drops and normal position changes. |
| Responsiveness | 4.0/5.0 | The surface reset quickly enough for easy turns but did not feel springy. |
| Edge Support | 4.1/5.0 | The sleeping edge felt stable, while sitting caused obvious compression. |
| Durability | 4.3/5.0 | The dense support core and clean foam recovery support a strong outlook for an all-foam bed. |
Overall Score: 4.3/5.0
Which GravityLux firmness should you choose?
Start with sleep position and body weight, then consider how much contouring you enjoy. Soft gives the shoulder and hip the most room and works best for lighter or pressure-sensitive side sleepers. Medium is the safest choice for side/back combination sleeping and couples with different preferences. Firm keeps the body closest to the surface and is the best GravityLux option for back and stomach sleepers.
If you sleep hot and would trade some motion isolation for more bounce and airflow, the Saatva Latex Hybrid is a better match. If you want slower, denser contouring that holds the body more closely, the Tempur-Pedic TEMPUR-Adapt moves in that direction.
What should you know before buying?
The GravityLux does not provide the lift, airflow, or rigid perimeter of a well-built coil hybrid. People who sit on the edge to dress or need a solid handhold when standing will notice more compression. Firm gives stomach sleepers the flattest surface in the range, but a reinforced hybrid remains the better choice if strong edge support and spring-assisted movement matter as much as pressure relief.
How does the GravityLux compare with alternatives?
The Tempur-Pedic TEMPUR-Adapt has a slower, denser contour than the GravityLux. Choose it if you want the foam to hold the body closely and prioritize deep pressure relief and motion absorption over quick response.
The Nectar Luxe Memory Foam Mattress is taller, softer-feeling, and more deeply cushioned. It is the better value-oriented option for side sleepers who want a stronger hug, while the GravityLux feels easier to move on and offers more firmness control.
The Saatva Loom & Leaf pairs a dense memory-foam feel with a more finished delivery experience and two comfort choices. It suits shoppers who want substantial contouring and white-glove setup; GravityLux is the more responsive choice and provides a softer third option.
Tips for getting the best fit
- Sleep on the mattress for the full 30-night minimum before deciding whether the firmness is wrong.
- Use a breathable protector if you tend to sleep warm; thick waterproof pads can mute the cover’s cooling feel.
- Place it on a supportive foundation with solid center support so the foam core does not flex unevenly.
- If you are between Soft and Medium, choose Soft only when shoulder or hip pressure is the main concern.
- Couples should spend 20 minutes lying in the outer third together to make sure the usable width feels comfortable.
- If you wake with lower-back tightness, check pillow loft before changing firmness: back sleeping usually needs a thinner pillow than side sleeping.
- Rotate the mattress from head to foot several times a year to distribute wear.
- If you sit on the edge every day, use a bench or chair so the same section of foam is not repeatedly compressed.
FAQs
Does the GravityLux feel like traditional memory foam?
It contours around the body, but the surface responds faster than classic slow-moving memory foam. Turning over felt easy, and the foam did not hold us in a deep impression.
Which firmness works best for combination sleeping?
Medium handled back-to-side transitions best. It gave the shoulder enough room on the side while keeping the hips level during back sleeping.
How noticeable is motion transfer for couples?
Motion transfer is minimal. Movement stayed close to its source in controlled drops, and normal turns or late-night exits rarely disturbed the other side.
Will it sleep cool for an all-foam mattress?
It manages heat well for an all-foam bed, and the surface cooled quickly after use. People who regularly overheat will still get more airflow from latex or coils.
