The Nectar Ultra Memory Foam Mattress is Nectar's 15-inch flagship all-foam bed, built for sleepers who want a deep, slow-moving cradle without losing support through the middle. Over a 21-night rotation, it delivered excellent pressure relief and motion control, and its zoned foam kept the hips steadier than most plush memory-foam beds. The trade-off is clear: the surface responds slowly, and the perimeter compresses noticeably when you sit on it. If you enjoy close contouring, the Ultra feels luxurious. If you change positions often, it can feel restrictive.
Table of Contents
- Nectar Ultra at a Glance
- Is the Nectar Ultra Worth It?
- How We Evaluated the Nectar Ultra
- Our Testing Experience
- What It Gets Right—and What It Doesn't
- Nectar Ultra Specs and Policies
- How the Nectar Ultra Scored
- Who Should Buy the Nectar Ultra?
- Where the Nectar Ultra Falls Short
- How It Compares with Three Alternatives
- How to Get the Best Results
- FAQs
Nectar Ultra at a Glance
| Mattress | Overall Score | Pros | Cons | Best For |
|---|---|---|---|---|
| Nectar Ultra Memory Foam | 4.1/5 | Deep pressure relief, excellent motion isolation, cool-feeling cover | Slow response, compressible edges, limited bounce | Side and back sleepers, motion-sensitive couples, people with tender pressure points |
Is the Nectar Ultra Worth It?
The Nectar Ultra is an excellent match for anyone who wants the quiet, close contour of memory foam in a taller, more supportive build. Its strongest qualities are pressure relief and motion isolation: shoulders and hips settle comfortably, while movement on the other side of the bed barely reaches you. The tri-zone layer also keeps the center from feeling as loose as the plush surface suggests.
The weaker areas are just as distinct. Turning takes more effort than it does on responsive foam or coils, and the edge gives way when you sit near it. At $1,999 for a queen when checked, it is a premium purchase, so the Ultra makes the most sense when a deep foam hug matters more than bounce or a firm perimeter. Promotions can change that price.
Who it's for
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Side sleepers and back sleepers who want generous cushioning without an unsupported midsection
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Couples who wake easily when a partner moves
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Sleepers who prefer a plush, slow-moving foam surface
Who should skip it
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Stomach sleepers who need a flatter, firmer surface
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People who rely on the edge when getting into or out of bed
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Restless sleepers who want quick response and noticeable bounce
How We Evaluated the Nectar Ultra

We rotated the Nectar Ultra among back, side, stomach, and combination sleepers for 21 nights. Support checks focused on hip depth and lumbar contact, while longer side-sleeping sessions showed how the foam handled pressure at the shoulder and hip. We tracked surface temperature before and after lying down, repeated a weighted drop test three times for motion transfer, timed position changes, and compared compression at the center and edge. We also checked the cover, seams, and foam surface throughout the rotation for early changes.
Our Testing Experience
Nectar Ultra
Our Testing Experience
Our sample expanded to its full 15-inch profile, and the top layers felt settled by the second night. Across the 21-night rotation, the mattress landed at 4.5 out of 10 on our firmness scale, with a soft first impression and firmer resistance deeper in the bed. Side sleepers felt the foam spread pressure away from the shoulder and hip, while back sleepers noticed that the zoned layer kept the pelvis from dropping as far as the upper back.
Marcus, at 6'1" and 230 pounds, focused on temperature and movement. The surface rose from 69.4°F to 77.6°F after 30 minutes and cooled to 72.8°F ten minutes after he got up. That is good heat recovery for a 15-inch foam bed, although it still lacked the constant airflow of a coil mattress. The foam released him slowly during a stomach-to-back turn, which matched the low responsiveness score.
Motion control was the standout. In three drops with a 10-pound ball released from 6 inches, a sensor 24 inches away averaged 0.11 g of peak acceleration, and the remaining vibration settled in about 0.7 second. Jenna and Ethan also found that getting in and out caused little disturbance across the surface. Edge testing was less convincing: under the same 200-pound load, the edge compressed 3.6 inches compared with 2.4 inches at the center. Lying near the side felt secure enough, but sitting there produced a clear downward slope.
What we liked
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Deep shoulder and hip cushioning without uncontrolled sag through the middle
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Exceptionally low motion transfer for light sleepers and couples
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A cool initial touch with better heat recovery than most thick memory foam
Who it is best for
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Side sleepers and side-to-back combination sleepers who enjoy plush foam
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Couples whose sleep is easily disrupted by movement
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People who need generous cushioning at the shoulders, hips, or other pressure points
Where it falls short
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Frequent position changers may feel held in place by the slow rebound
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The compressible perimeter is less helpful for sitting or pushing up from bed
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Most stomach sleepers will need more lift beneath the hips

What It Gets Right—and What It Doesn't
| Pros | Cons |
|---|---|
| Deep, even memory-foam contouring | Slow rebound makes turning harder |
| Excellent motion isolation | Seated edges compress noticeably |
| Zoned foam steadies the midsection | Little bounce for combination sleepers |
| Cooling cover and phase-change layer manage surface heat | Tall, heavy profile is awkward to move |
Nectar Ultra Specs and Policies
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Queen price when checked: $1,999; promotions may change
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Thickness: 15 inches
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Feel: medium-soft
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Cover: cooling fibers with an antimicrobial treatment
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Comfort layer: 4 inches of memory foam topped with phase-change material
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Support layer: 3 inches of foam with three ergonomic zones
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Base: 8 inches of foundational motion-isolation foam
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Certifications: fiberglass-free and CertiPUR-US certified
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Shipping and returns: free; in-stock orders listed to ship in 1–2 days
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Trial: 365 nights
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Warranty: Forever Warranty™

How the Nectar Ultra Scored
| Metric | Score | What We Found |
|---|---|---|
| Support | 4.1/5 | The tri-zone layer limited hip sink and maintained steady lumbar contact. |
| Cooling | 4.6/5 | The surface warmed gradually and released heat well for a thick foam bed. |
| Pressure Relief | 4.7/5 | Shoulders and hips settled deeply without developing sharp pressure. |
| Motion Isolation | 4.8/5 | Partner movement faded quickly and rarely crossed the mattress. |
| Responsiveness | 3.1/5 | Slow foam recovery made quick turns more demanding. |
| Edge Support | 3.6/5 | Sleeping near the side felt stable, but sitting caused substantial compression. |
| Durability | 4.0/5 | The cover, seams, and foam stayed even during the test; long-term wear remains unmeasured. |
| Overall | 4.1/5 | A plush premium foam bed with outstanding pressure and motion control. |
Who Should Buy the Nectar Ultra?
Choose the Nectar Ultra if you sleep mainly on your side or back and want a soft, close cradle with excellent motion control. It is especially well suited to couples when one partner wakes easily, and to sleepers who need extra cushioning at the shoulders and hips. The tri-zone foam adds enough resistance through the middle to keep the bed from feeling loose, but it does not turn the Ultra into a firm mattress.
Skip it if you sleep mostly on your stomach, change positions frequently, or need a firm edge for mobility. The cover and phase-change layer handle surface heat better than ordinary dense foam, yet the bed cannot match the airflow of an innerspring or hybrid. Heavier sleepers should use the trial period to watch for sustained hip sink, particularly when sleeping face down.
Where the Nectar Ultra Falls Short
The Ultra's deep contour creates its two biggest drawbacks: slow movement and a soft seated edge. Quick turns require more effort because the foam takes time to reshape around the body. The perimeter supports a sleeper lying near it, but it compresses too much to feel dependable as a seat. The 15-inch build is also heavy and requires deep-pocket sheets. Stomach sleepers and anyone who prefers to stay on top of the mattress will be better served by a firmer, more responsive design.
How It Compares with Three Alternatives
Why choose the Nectar Ultra
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You want the deepest contouring of these four beds without giving up zoned midsection support.
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You value motion isolation more than bounce or edge firmness.
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You prefer a tall, plush all-foam mattress with a year-long trial.
Amerisleep AS3 All Foam is the more affordable choice for sleepers who still want pressure relief but dislike slow memory foam. Its 12-inch, medium-feel build responds faster and makes position changes easier. The Nectar Ultra feels plusher and absorbs movement more completely, while the AS3 is easier to move across and costs less at typical pricing.
GhostBed Luxe Foam is the closest all-foam price comparison. It has a 14-inch, medium-firm build with a stronger emphasis on cooling and zoned support. Choose GhostBed if you sleep hot or want a more balanced surface; choose Nectar if deeper contouring and stronger motion isolation matter more.
Saatva Classic is the responsive alternative at a similar current price. Its Euro top, dual-coil construction, and reinforced foam rails provide more airflow, bounce, and edge stability. Nectar is quieter and more enveloping, while Saatva is easier to move on and offers three firmness choices.
How to Get the Best Results
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Give the mattress time to expand and air out in a ventilated room before judging its feel.
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Use a breathable protector so the cooling surface is not buried under a thick waterproof layer.
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Place it on a solid, supportive base to keep the zoned layer working evenly.
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Rotate it 180 degrees every few months to spread wear across both ends.
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Pair it with breathable sheets and a cool room if you are sensitive to heat.
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Side sleepers may need a slightly higher-loft pillow as the shoulder settles into the foam.
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Couples who are between sizes should choose the wider option to make the deep contour feel less crowded.
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Vary where you sit so one section of the perimeter does not absorb all the compression.
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Allow an adjustment period if you are switching from a spring mattress; the response is much slower.
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Use the full trial to check hip support rather than judging the bed after a single night.
FAQs
Is the Nectar Ultra supportive enough for back sleepers?
Yes, for most back sleepers who enjoy a medium-soft feel. The zoned layer kept the pelvis steadier than the plush surface suggested and maintained comfortable contact under the lower back. Heavier back sleepers who prefer firm lift may still feel better on a hybrid.
Does it sleep hot?
It sleeps cooler than most thick memory-foam mattresses. The cover feels cool at first, and the phase-change layer helps the surface release heat after you move. It is still an all-foam bed, so very hot sleepers will get more continuous airflow from coils.
Is it a good mattress for couples?
Yes, especially when one partner wakes easily. Movement remained localized during both the drop test and regular position changes. Couples who both move frequently may prefer a faster surface, and those who use the full width should note the softer seated edge.