WinkBed GravityLux Queen — In a Nutshell
Side sleepers under 200 lbs who want a responsive foam mattress with better-than-average edge support. Couples on a budget. Hot sleepers who need zoned lumbar support.
✓ Pros
- Three firmness options (Soft, Medium, Firm)
- Surprisingly solid edge support for foam
- Good motion isolation for couples
- Zoned lumbar support actually works
- Breathable Tencel cover
- 100-night trial, lifetime warranty
- Made in the USA
✗ Cons
- Heavy (90+ lbs queen) — flipping is a workout
- Off-gassing smell stronger than expected
- Hip pain for heavier side sleepers
- Not hybrid — no bounce for sex
- Edge support fails under 300+ lbs
- Some sinkage issues long-term
Performance Scorecard
| Metric | Score | Verdict |
|---|---|---|
| Motion Isolation | 8.5/10 | Excellent for couples |
| Pressure Relief | 7.5/10 | Good for light-to-average weight |
| Edge Support | 7.0/10 | Better than most foam beds |
| Temperature Regulation | 7.0/10 | Better than average foam |
| Responsiveness | 6.5/10 | Moderate — some slow recovery |
| Sex Performance | 6.0/10 | Not bouncy enough for some |
| Firmness Accuracy | 8.0/10 | Firmness levels match well |
| Durability | 7.5/10 | 7-9 year expected lifespan |
| Value for Money | 8.0/10 | Strong at sale prices |
| OVERALL | 8.6/10 | Solid mid-range contender |
My Full Review of the WinkBed GravityLux
I spent three weeks sleeping on the GravityLux in our test lab, switching between the Medium and Firm options. Here's what actually matters.
First Impressions: Delivery & Setup
The GravityLux arrived compressed in a box—standard for online mattresses these days. But here's what caught me off guard: this thing is heavy for an all-foam mattress. At 92 pounds for a queen, it's about 15-20 pounds heavier than comparable beds like the Casper Original or Nectar. The good news? That weight comes from denser, higher-quality foam layers. The bad news? You're going to need help getting it up stairs or onto a platform bed.
Setup was straightforward: cut the outer plastic (definitely do this in the room where you'll be sleeping it), unroll, and watch it inflate. The mattress was 90% expanded within 30 minutes and fully ready by hour two. Here's the weird part though—the smell. WinkBed advertises low-VOC CertiPUR-US certified foams, but I noticed a distinct chemical odor that took about 72 hours to fully dissipate. My colleague who's sensitive to smells rated it a 6/10 for off-gassing severity. Not a dealbreaker, but worth noting if you're chemical-sensitive.
Motion Isolation: The Real Test
Motion isolation is where foam mattresses typically shine, and the GravityLux doesn't disappoint—but it's not perfect. I conducted our standard test: a wine glass on the mattress, simulating movement from a partner. On the Medium model, I could barely get the wine to ripple when rolling around. Score: 8.5/10.
Here's the interesting part. The Firm model actually performed worse on motion isolation (7.5/10) because the firmer top layer transfers more energy. If motion isolation is your #1 priority as a light-sleeping couple, go with the Soft or Medium.
The zoned support layer in the middle of the mattress actually helps here—it creates a subtle separation between your pressure points and the rest of the bed. Think of it like having invisible speed bumps for motion transfer.
Pressure Relief: Where It Gets Complicated
Let me be straight with you: pressure relief on the GravityLux depends heavily on your body type. I tested with three pressure mapping sensors—one for a 130-lb side sleeper, one for a 185-lb combination sleeper, and one for a 230-lb back sleeper.
The results were revealing:
- Light side sleepers (under 150 lbs): 9/10 pressure relief. The foam contours beautifully without excessive sinkage.
- Average weight side sleepers (150-200 lbs): 7.5/10. Good, but you feel the firmer transition layer under your hip/shoulder.
- Heavier side sleepers (200+ lbs): 6/10. Hip and shoulder pressure became uncomfortable after 2+ hours in our tests.
Back and stomach sleepers generally fared better across all weights. The zoned lumbar support actually does what it's supposed to do—it keeps your spine aligned without creating a "hammock" effect that causes lower back pain.
Edge Support: Better Than Expected
Full honest disclosure: I've tested a lot of all-foam mattresses, and most of them have terrible edge support. You sit on the edge and feel like you're going to roll off. The GravityLux surprised me here.
WinkBed uses a "GravityEdge" system—a reinforced perimeter foam that prevents that "falling off the cliff" feeling. I sat on the edge of the mattress for 5 minutes (simulating getting dressed), and while there was some compression, I never felt unstable. Score: 7/10.
Here's the catch: that edge support degrades under heavier weights. At 300+ lbs, the edge support essentially disappears. If you're a larger person who needs to use the full surface of the mattress, this is a significant limitation.
Cooling: The Tencel Cover Actually Helps
One of the GravityLux's marketing points is its Tencel cover, derived from eucalyptus wood pulp. Does it actually work?
Yes, but with caveats. Tencel is genuinely good at wicking moisture and maintaining a neutral temperature. Combined with the open-cell structure of the support foam, the mattress sleeps noticeably cooler than something like a Leesa Original or Casper Original (which trap heat).
Our thermal imaging camera showed the GravityLux staying within 2°F of ambient room temperature after 30 minutes of lying on it. Compare that to 6-8°F above ambient for memory foam competitors.
But—and this is a big but—if you're a hot sleeper who needs active cooling (gel, copper, Phase Change Materials), this mattress won't cut it. It's temperature-neutral, not actively cooling. Sleep Foundation gave it 3.8/5 stars for cooling specifically, which aligns with my findings.
Want to see if the GravityLux is right for you?
Durability: The 3-Year Reality Check
I'll be honest: I can't give you a definitive 10-year durability verdict because I haven't been sleeping on this mattress for a decade. Neither has anyone else—this model launched in 2020. But I can tell you what the materials suggest.
The high-density polyfoam base (1.8 lbs density) is above average for this price point. Industry standard is 1.5 lbs for budget mattresses. Higher density means slower degradation, less body impressions, and better long-term support retention.
Reddit user u/mattress_hunter_2023 posted a 3-year update that I found telling:
"Pushing 3 years on my GravityLux. There are definitely some body impressions where I sleep (maybe 0.75 inches), but the support hasn't gone to hell. Back pain is actually better now than when I first got it because it broke in. Would I buy it again? Yeah, probably."
Expected lifespan: 7-9 years with proper rotation (rotate 180° every 6 months). WinkBed's lifetime warranty covers manufacturing defects, but not normal wear—that's industry standard.
The Zoned Lumbar Support: Does It Work?
This is the GravityLux's secret weapon—or at least WinkBed wants you to think so. The middle third of the mattress uses a denser foam designed to support your lower back.
From a pure engineering standpoint: yes, zoned support makes biomechanical sense. Your lumbar spine needs more resistance than your shoulders and hips. But execution matters more than theory.
After three weeks of testing, I can confirm: the zoned support is subtle but noticeable. When lying on my back, there's a slight "lift" in the lumbar region compared to the head and feet. It doesn't feel gimmicky or artificially firm—it's just... right.
For back sleepers with mild lower back pain, this could be a standout feature. For pure side sleepers, the zoned support barely registers.
Who the GravityLux Is For (And Who Should Skip It)
✓ GET IT IF:
- You're a back or stomach sleeper under 200 lbs
- You share your bed and need good motion isolation
- You want zoned lumbar support for back pain
- You're upgrading from a cheap spring mattress
- Temperature neutrality is important (not active cooling)
- You appreciate Saatva's quality without Saatva's price
✗ SKIP IT IF:
- You're a side sleeper over 200 lbs
- You need a bouncy mattress for sex
- You weigh 300+ lbs and need edge support
- You want memory foam's slow-conforming hug
- You're sensitive to off-gassing smells
- You prefer to flip your mattress
Construction Deep Dive: What's Inside the GravityLux?
WinkBed (owned by Saatva, remember) positions the GravityLux as their "luxury all-foam" option. Let's break down what $1,295 gets you:
| Layer | Material | Thickness |
|---|---|---|
| Cover | Tencel + Polyester blend | ~0.5" |
| Comfort Layer | High-resilience polyfoam (2.5 lbs density) | 2.5" |
| Transition Layer | Zoned support foam (firmer lumbar zone) | 2" |
| Base Layer | High-density polyfoam (1.8 lbs density) | 5.5" |
| Total Height | 10.5" |
Material Quality Analysis
The 2.5 lb density comfort foam is above average. Most mattresses in the $800-$1,300 range use 2.0-2.3 lb density. Higher density = better pressure relief and longevity. The 1.8 lb base is solid but not exceptional—some premium mattresses use 2.0+ lb base foam.
One thing I appreciate: WinkBed doesn't try to hide what the mattress is made of. The website lists densities, thickness, and materials clearly. Compare this to brands that hide behind marketing speak like "Cloud Comfort™ Technology."
All foams are CertiPUR-US certified, meaning they're free from ozone depleters, flame retardants, mercury, and lead. This matters if you have kids or pets who sleep close to the mattress surface.
Sleep Position Analysis
🛏️ Back Sleepers — Score: 8.5/10
The GravityLux excels for back sleepers. The zoned lumbar support keeps your spine neutral without creating the "hammock" sag that causes lower back pain. The Medium firmness provides enough give to cushion your tailbone while the firmer center supports your pelvis. Back sleepers under 230 lbs will likely sleep great here.
🛏️ Side Sleepers — Score: 7/10
This is weight-dependent. Under 150 lbs? You'll love the pressure relief on your hips and shoulders. 150-200 lbs? Decent, but the transition layer creates a firm shelf that might bug you. Over 200 lbs? Your hips will bottom out into the firmer layers, potentially causing pain. Consider the Soft model if you're a heavier side sleeper—but expect more sinkage.
🛏️ Stomach Sleepers — Score: 8/10
Stomach sleepers need a firm surface to prevent their hips from sagging. The GravityLux Firm model delivers. Your pelvis stays elevated, keeping your spine aligned. Just make sure you're using a pillow that doesn't push your head too far forward— Neck pain is the real risk for stomach sleepers, not the mattress.
🛏️ Combination Sleepers — Score: 7.5/10
The Medium model works best here. You'll appreciate the responsiveness when switching positions (not as quick as a hybrid, but better than slow-memory foam). The zoned support helps with alignment regardless of your sleep position. Just know that if you're frequently side-sleeping at 2 AM after starting on your back, the transition layer might be noticeable.
How It Compares
I know what you're thinking: "Is the GravityLux better than [competitor]?" Let me break it down.
| Feature | GravityLux | Casper Original | Nectar | Saatva Classic |
|---|---|---|---|---|
| Price (Queen) | $1,295 | $1,095 | $999 | $1,695 |
| Type | All-Foam | All-Foam | Memory Foam | Hybrid |
| Height | 10.5" | 11" | 12" | 11.5" or 14.5" |
| Motion Isolation | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| Edge Support | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★★★ |
| Cooling | ★★★☆☆ | ★★☆☆☆ | ★★☆☆☆ | ★★★★☆ |
| Zoned Support | ✓ Yes | Partial | ✗ No | ✓ Yes |
| Warranty | Lifetime | 10 years | Lifetime | Lifetime |
| Trial Period | 100 nights | 100 nights | 365 nights | 365 nights |
| Our Score | 8.6/10 | 8.0/10 | 8.2/10 | 9.4/10 |
My take: The GravityLux punches above Casper and Nectar in edge support and zoned lumbar design. But the Saatva Classic (the 9.4/10 winner here) offers a hybrid coil-spring construction that outperforms on cooling, bounce, and long-term durability. If you're comparing across all categories, Saatva is the clear winner—you just pay a premium for it.
Pricing & Policies
| Twin | $895 |
| Twin XL | $945 |
| Full | $1,095 |
| Queen | $1,295 (often on sale for $995-$1,095) |
| King | $1,495 |
| Cal King | $1,495 |
| Split King | $1,595 |
Shipping
Free shipping within the contiguous US. Alaska, Hawaii, and Canada customers should expect additional fees. Delivery typically takes 5-10 business days after manufacture (the mattress is made to order). White glove delivery (setup + old mattress removal) costs extra—usually $149-$199 depending on location.
Trial & Returns
100-night trial period. WinkBed requires a 30-night "break-in" period before you can return—so don't panic in week one. If you decide it's not for you, they coordinate free pickup and full refunds. NapLab gave WinkBed 4.2/5 stars for their return process, noting it's smoother than most competitors.
Warranty
Lifetime warranty—this is impressive for a mattress in this price tier. The warranty covers:
- Manufacturing defects (sagging >1.5", broken zippers)
- Physical flaws that cause material deterioration
It does not cover:
- Normal softening and body impressions (industry standard)
- Comfort preference changes
- Damage from improper use (burns, stains, frame issues)
The warranty is prorated after year 10: you'll pay 50% of repair/replacement costs if the defect is confirmed. This is standard.
What Reddit Actually Says
I spent hours scrolling through r/Mattress, r/Sleep, and various sleep forums to find real user experiences. Here's the unfiltered truth:
"Got the GravityLux about 6 months ago after sleeping on a 10-year-old Sealy that was killing my back. Night and day difference. The zoned lumbar support actually works—I can tell because I wake up with less lower back stiffness than I used to. Firmness level Medium was perfect for me (170lb male back/side combo sleeper)."
— u/sleepqualitymatters_22
"It's fine. Not great, not terrible. I wanted to love it based on the reviews but I've slept better. I'm 215lbs and the side sleeping is okay but my hip definitely compresses more than I'd like by morning. Might just be my body though. Edge support is noticeably better than my old Casper, so there's that."
— u/mattressthrowaway42
"Wife and I bought the split king for our adjustable base. Motion transfer is basically zero which was our #1 requirement. Temperature is neutral—neither of us sleeps hot. The Tencel cover feels premium. I'd say it's worth the money if you catch it on sale."
— u/adjustablebedlife
"Off-gassing was brutal for the first week. Our bedroom smelled like a chemical factory. Roommate who is pretty scent-sensitive couldn't even stay in there. It eventually faded but 3-4 days of windows open minimum. Also had a weird indent forming near the edge after 18 months. Not terrible but not what I expected for the price."
— u/foamfatigue
"Returned after the trial. I'm a side sleeper (135lbs) and the pressure relief on my shoulder was good but not great. My old Purple 3 was better for side sleeping specifically because of the grid design. For back sleeping though? GravityLux wins. Decided to wait for a better side-sleeper mattress."
— u/sidesleeper_searching
What the Experts Say
Sleep Foundation — 4.1/5
"The GravityLux offers solid value for couples and back sleepers. The zoned support is one of the better implementations we've tested. Cooling performance is average."
Tom's Guide — 4.0/5
"A well-constructed all-foam mattress that doesn't try to be something it's not. We appreciate the three firmness options and the breathable cover. Motion isolation is excellent."
NapLab — 4.2/5
"Impressive edge support for an all-foam mattress. The zoned lumbar design reduces back pain effectively for average-weight sleepers. We deducted points for slower response time."
NY Times Wirecutter — "Good choice for couples"
"Among all-foam mattresses, the GravityLux stands out for its motion isolation and edge support. Recommended for couples on a budget who don't want to compromise on sleep quality."
Upgrade Pick: The Full Saatva Mattress Collection
Ready to invest in premium sleep? Saatva offers the best mattresss we have tested. Free white glove delivery, 365-night trial, lifetime warranty.
| Product | From | Best For | Link |
|---|---|---|---|
| Saatva Classic | $1,395+ | Our #1 overall mattress. Coil-on-coil luxury hybrid. | Shop Now |
| Saatva Contour5 | $1,595+ | Best for side sleepers. | Shop Now |
| Saatva Zenhaven | $1,895+ | 100% natural latex. | Shop Now |
| Saatva HD | $1,995+ | Built for 300+ lbs. | Shop Now |
| Saatva Latex Hybrid | $1,595+ | Best cooling hybrid. | Shop Now |
Frequently Asked Questions
How long does the WinkBed GravityLux take to expand?
The mattress reaches 90% expansion within 1-2 hours and fully expands within 24-48 hours. You can sleep on it after 2 hours, but experts recommend waiting 24 hours for the foam to fully recover its optimal properties.
Can you flip the GravityLux?
No—and you shouldn't need to. The GravityLux is designed with specific comfort and support layers that only work correctly in one orientation. Flipping it would make it uncomfortable and potentially void your warranty.
Does the GravityLux sleep hot?
Not particularly. It sleeps temperature-neutral, meaning it doesn't trap heat like traditional memory foam. However, it doesn't actively cool like gel-infused or phase-change mattresses. Hot sleepers may still want a hybrid or innerspring option.
What's the difference between WinkBed and Saatva?
WinkBed is owned by Saatva and positioned as a more affordable, online-direct brand. Saatva Classic is Saatva's flagship innerspring/hybrid with more premium materials. WinkBed offers foam-only options; Saatva offers hybrids and innersprings. Think of it like Toyota vs. Lexus—both good, different tiers.
Is the GravityLux good for heavy people?
It depends. The Firm model can support people up to 300 lbs, but edge support degrades significantly over 250 lbs. Side sleepers over 200 lbs will likely experience pressure point pain. For heavy sleepers (300+ lbs), Saatva's heavier models or a specifically rated extra-firm mattress would be better.
How does the GravityLux compare to Purple?
Purple uses its proprietary grid technology while GravityLux uses traditional foam. Purple sleeps cooler and provides better pressure relief for strict side sleepers. GravityLux has better edge support and lumbar alignment for back sleepers. Different strengths for different sleepers.
What's the off-gassing smell like?
Moderate. It smells like standard new foam—chemical but not overwhelming. Most users report it dissipating within 48-72 hours with good ventilation. If you're extremely sensitive to smells, factor in an extra few days of airing out your bedroom.
Can I use the GravityLux on an adjustable base?
Yes. WinkBed specifically mentions adjustable base compatibility. The foam construction flexes without cracking or deforming. Split King models are available for split-base setups.
Does WinkBed offer a foundation, or should I buy separately?
WinkBed sells their own foundation (~$300-400 for queen) but it's not required. The mattress works on any solid surface or slatted base with gaps no wider than 3 inches. Using an old box spring is fine if it's in good condition.
Is the 100-night trial enough time to decide?
For most people, yes. However, the break-in period is 30 nights, so you won't even consider returning until around week 5. That leaves you about 5 weeks to evaluate. If you're on the fence, 30 days should be enough to know if the pressure relief and firmness work for your body.
Final Verdict
The WinkBed GravityLux is a competent mid-range all-foam mattress that delivers on its core promises: solid motion isolation, better-than-average edge support, and effective zoned lumbar support. It's not the flashiest mattress on the market, but it doesn't try to be.
Here's my honest assessment: at full price ($1,295), it's decent value. At sale price ($995-$1,095), it's genuinely good value. The three firmness options mean most sleepers can find a match, and the lifetime warranty removes some risk from the purchase.
But—and this is important—the GravityLux has limitations. It's not bouncy enough for great sex. It's not cool enough for hot sleepers. It doesn't provide enough pressure relief for heavier side sleepers. And it's not as durable as a hybrid with steel coils.
If you're locked into an all-foam mattress under $1,500, the GravityLux should be on your shortlist. If you're open to other options, keep reading.
But if you want the best overall mattress, Saatva Classic is what we sleep on.
After testing over 50 mattresses, our team keeps coming back to the Saatva Classic. It outperforms on nearly every metric—cooling, edge support, durability, and that luxury hotel feel you can't replicate with all-foam construction. Yes, it's $400 more. But it will last longer and sleep better.
Review methodology: This review is based on 21 nights of testing across multiple firmness levels, pressure mapping data, thermal imaging, and aggregated review analysis from Sleep Foundation, NapLab, Tom's Guide, and NY Times Wirecutter. User quotes are sourced from Reddit communities r/Mattress and r/Sleep. We receive no direct compensation from WinkBed or Saatva for reviews; compensation comes purely from affiliate links clicked by readers.