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Nest Sparrow Mattress Review

Last updated on June 22, 2022

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The Sparrow mattress (f.k.a. Alexander Signature Hybrid) combines a spring layer on the bottom with a memory foam layer up top, but is this mattress really the best of both worlds? Find out in our review.

Short on time? Click here to jump down to the review summary

Note: Nest Bedding is a mattress company that primarily sells its beds online, though it does have a handful of showrooms. Here we review the Sparrow bed, a mattress with foam on top of a support layer of pocketed coils. We have also reviewed the Nest Quail mattress, their entry level foam mattress. We also cover the Nest Owl bed, a latex-over-pocketed-coil mattress.

If you’d prefer to watch rather than read, check out our full Nest Sparrow mattress video review.

Table of Contents

Nobody does more in-depth mattress reviews than GoodBed — which means there's a lot of information here! Use the links in this table of contents to quickly jump to the sections of this review that interest you most.

Summary Overview of GoodBed's findings and conclusions about this product
Materials & Construction Mattress Type, Layers, Cover
Comfort & Feel Ratings Softness, Cushioning Depth, Memory Feel, Bounce
Back Support + Pressure Relief Ratings By sleeper weight and sleep position
Feature Ratings Motion Isolation, Temperature, Edge Support, Ease of Repositioning, Natural vs Chemicals, Adjustable Base Compatibility
Price, Value & Longevity Cost, Discounts, Durability, Overall Value
Other Factors to Consider Delivery, Returns, Warranty
Bottom Line Who is the best/worst match for this mattress?

Summary: Is the Sparrow a Good Mattress?

The Sparrow (formerly sold as the Alexander Signature Hybrid) mattress is a 12”, four-layer mattress built upon a support layer of 6 inches of pocked steel coils; these are different from traditional innerspring in that they are not connected to each other; each coil compresses independently. Two foam layers top the coil.

It's worth noting that the current version of this mattress differs significantly from the 2018-2019 version which had included memory foam. This current iteration only contains a very small amount of memory foam as part of the quilted cover. The main comfort material is a proprietary Energex foam.

The Sparrow Signature Hybrid by Nest Bedding comes in three comfort levels. We tested the Medium version, but it’s also available in softer Plush and Firm. You can also order it as a split configuration in the California King size; that is, you can order a Medium on one side and Firm on the other, helpful for couples with different preferences.

In our testing, we thought the Medium version of this bed would be a good fit for most back and side sleepers, especially those of average weight or lighter. We would not recommend it for stomach sleepers as its softness and cushioning may introduce too much hip sinkage to maintain proper spinal alignment in that position (instead, look to the Firm version if you are a stomach sleeper).

The mattress performed in the very good to excellent range in terms of edge support, adjustable base compatibility, motion isolation and temperature. While not quite the best in any of these aspects, the Sparrow Signature Hybrid was a strong performer all around.

The bed's overall quality and construction is competitive with what you'd find in a mattress store, as well as with comparable online brands. (Compare pricing for all sizes on the company website.) One thing that does provide additional value is the zippered cover, which gives you access to the top comfort layer, which can be replaced through the company's Lifetime Renewal Exchange program, which allows owners a one-time free-of-charge exchange of the top comfort material.

The company offers a 365-day trial period, giving you a good measure of peace of mind. And if you prefer to try before you buy, Nest does have about a dozen showrooms, mainly in California and Arizona (Nest Bedding store locator).

Read on for our detailed report, and be sure to check out the video to see this mattress in action as we put it through our tests.

Bottom Line: Who is the Best Match for a Nest Sparrow Mattress?

BEST if you:

  • Are a back or side sleeper
  • Are of average weight or lighter
  • Are sensitive to a partner’s movements
  • Need very good pressure relief

NOT IDEAL if you:

  • Are primarily a stomach sleeper
  • Want a bed with lots of memory feel
  • Need the very best edge support
Nest Bedding Alexander Signature Hybrid Medium

Comfort & Feel

These are the "preference-based characteristics" of a mattress. No classification here is better or worse – they are strictly a matter of your personal preference.

Softness Level
(1=Least Soft, 9=Most Soft)
6 Medium Soft
Cushioning Depth
(1=Shallowest, 9=Deepest)
6 Slightly deeper than average
Memory Feel
(1=Least, 9=Most)
2 Almost no memory feel
Bounce
(1=Least, 9=Most)
6 Plenty of bounce

 

Back Support (by Sleeper Type)

No mattress will provide equally good spinal alignment (a.k.a., back support) for every sleeper. Here's what to expect in terms of spinal alignment on this mattress – by sleeper weight and sleep position.

Weight Range Back Sleepers Side Sleepers Stomach Sleepers
Lighter <150 lb 9 10 7
Average 150 to 200 lb 8 9 6
Above Average 200 to 250 lb 7 9 5
Heavier >250 lb 7 8 4

 

Pressure Relief (by Sleeper Type)

The pressure relief offered by a mattress – especially important for side sleepers – will vary based on a sleeper's weight and body shape. Here's how we size up the pressure relief capabilities of this mattress.

Weight Range Typical Curves Extra Curvy
Lighter <150 lb 9 9
Average 150 to 200 lb 9 8
Above Average 200 to 250 lb 8 8
Heavier >250 lb 8 7

 

Other Features

These are the "priority-based characteristics" of a mattress. Ratings here indicate where this mattress has strengths or weaknesses – however the importance of these features will depend entirely on your personal priorities.

Motion Isolation 8 Very good
Stays 'Cool' 7 Good
Edge Support 7 Good
Ease of Repositioning 8 Very good
Green Features 6 Pretty good
Adjustable Base Compatibility 7 Good
Overall Value 8 Very good

 

Key Facts

Mattress Type

Foam over Pocketed Coils

Price

Check today's prices

Delivery

Free delivery

Return Policy

365-day trial, full refund

Warranty

Lifetime warranty. Indentation coverage: 1"+

Country of Manufacture

United States

Thickness

12 inches

Weight (Queen)

105 pounds


 

Materials & Construction

What's in the Nest Sparrow Mattress?

Overall, we classify the Nest Sparrow mattress as a "Foam over Pocketed Coils" construction type. It is a 12″ thick mattress comprised of 4 layers (listed below from top to bottom):

  • 1" gel memory foam quilted into cover
  • 3” Energex foam comfort layer, 3.5-lb. density
  • 1” polyurethane foam, 3-lb. density
  • 6” pocketed steel coils
  • 1" polyurethane foam, 3-lb. density

There's a small amount of memory foam in the mattress, about an inch of it that's stitched/quilted into the mattress cover. The Energex foam is a synthetic latex-like foam the company uses in several of its models; it's infused with gel flecks intended as a cooling feature. The coil support unit includes a row of firmer coils around the edge.

nest-bedding-sparrow-signature-hybrid-firm-picture.jpg

Cover

The layers of the Sparrow mattress are wrapped in cover that's very plush and quilted on top, with some memory foam stitched into it. Another feature is a zipper that gives you access to the top layer of Energex foam, which you could replace down the road when it wears out, or if your comfort preferences change. Nest even allows you one free exchange during the lifetime of your mattress through its Lifetime Renewal Exchange program.

Nest Bedding Alexander Signature Hybrid Medium
 

Comfort & Feel

There are three aspects that make up our assessment of comfort and feel. We call these "preference-based characteristics" because no rating here is better or worse – rather, the attributes that are most desirable to you will be determined solely by your personal preferences. We apply the same classification standards to each mattress so you can more easily compare apples to apples.

Softness ( what’s this )

Keep in mind that what mattress companies call “firm” or “soft” is a purely a preference. All mattresses should be supportive and promote healthy spinal alignment. Whether a mattress is fluffy and squishy (what mattress companies call soft or plush), or less so (what companies call firm), is purely down to your personal needs and preferences.

The Sparrow Signature Hybrid mattress comes in three versions: Plush, Medium and Firm. We tested the Medium version and found that it felt just to the softer side of medium for us. Compare firmness of all Nest mattresses on their website.

Not sure what softness is best for you? Take our Mattress Match Quiz and find out.

Softness Level
(1=Least Soft, 9=Most Soft)
6 Medium Soft

 

Cushioning Depth ( what’s this )

This refers to how deeply you sink into the mattress or feel cradled or hugged, versus a feeling of floating on top of the bed. We found the Sparrow Signature Hybrid from Nest to have a bit more than average cushioning, and our tester felt more of a hugged/cradled sensation on the mattress. Keep in mind that we tested the Medium version of this bed. It also comes in a Firm version, which we would assume has less cushioning, as well as a Plush version, which would likely have even deeper cushioning.

Cushioning Depth
(1=Shallowest, 9=Deepest)
6 Slightly deeper than average cushioning

 Nest Bedding Alexander Signature Hybrid Medium

Memory Feel

Responsiveness refers to how quickly a mattress recovers its shape after being compressed. When you press your hand into the mattress, for instance, then remove it, does it take several seconds for the mattress to return to flat, or does it recover immediately?

The Nest Sparrow bed has only a tiny amount of memory foam quilted into the top cover. You can feel/see it when you press on it with your fingers, but when laying on the mattress, you don't feel any of that melting sensation that's associated with memory foam.

Memory Feel
(1=Least, 9=Most)
2 Very little memory feel

Bounce

As with most hybrid mattresses, we noted a good amount of deep and mid-level bounce. The top foam tends to absorb any surface bounce. So you're more likely to notice this mattress's bounciness when you plop into bed rather than just moving around and changing positions.

Bounce
(1=Least, 9=Most)
6 Plenty of bounce

Back Support & Pressure Relief

The two things that you should always be sure to get from your mattress are spinal alignment (commonly thought of as "back support") and pressure relief. Unfortunately, no mattress will deliver these two things equally well for all sleepers. In particular, spinal alignment and pressure relief capabilities will vary across sleepers with different weights, body shapes, and sleep positions. To help you determine how this mattress will perform for you, we break down our spinal alignment and pressure relief assessments by sleeper type.

In our evaluations, the Sparrow Signature Hybrid mattress from Nest Bedding afforded very good back support and spinal alignment particularly for back and side sleepers of average size or lighter. We did question whether heavier individuals would be sink too much into the mattress (particularly in the stomach-sleeping position) to achieve that neutral spine position that’s the gold standard.

 

Spinal Alignment

The key to good back support is maintaining proper spinal alignment while you sleep. This means that the mattress should hold your spine in roughly the same position it's in when you're standing. The ability of a given mattress to do this will generally depend on your weight, sleep position, and body shape.

Here is how we break down the spinal alignment of the Sparrow mattress from Nest:

Weight Range Back Sleepers Side Sleepers Stomach Sleepers
Lighter <150 lb 9 10 7
Average 150 to 200 lb 8 9 6
Above Average 200 to 250 lb 7 9 5
Heavier >250 lb 7 8 4

 

Back Sleepers:

While our tester was on his back, he noted that his hips sank just deeply enough to create a good neutral spine. We feel that sleepers of a average weight and lighter would have a similar experience. We might have a little concern for heavier persons, whose hips might sink in a little too deeply. For heavier sleepers, we'd probably recommend taking a look at the Firm version of this bed.

Side Sleepers:

In our evaluation, side sleepers would also be well supported by the Sparrow Signature Hybrid bed. Our 200 lb. tester’s hips and shoulders sank into the bed just enough to create a neutral spinal position. We also felt that average to heavier people would be very supported while side sleeping.

Stomach Sleepers:

For stomach sleepers, hybrid mattresses on the firmer side typically work well, so we'd suggest trying the Firm version rather than this Medium version. Our tester felt his hips sinking too deeply in this position -- which can lead to over-arching in the back and to potential back pain.

Pressure Relief

When a mattress pushes back against your body with too much force in a concentrated area, the result can be pain, soreness, loss of circulation, excessive tossing, and other problems. In general, such "pressure points" are of greatest concern for side sleepers, since that's the position in which your body's weight is distributed over the smallest surface area. To find the right mattress for your needs, keep in mind that the pressure-relieving capabilities of any given mattress will vary depending on the sleeper. Factors like your weight and body shape (e.g., broader shoulders and/or hips) will determine how far you sink into the mattress, and the pressure relief offered by that mattress will vary widely at different depths.

Here's how we sized up the pressure relief of the Sparrow Signature Hybrid mattress:

Weight Range Typical Curves Extra Curvy
Lighter <150 lb 9 9
Average 150 to 200 lb 9 8
Above Average 200 to 250 lb 8 8
Heavier >250 lb 8 7

 

Overall, we found the pressure relief offered by this Nest mattress to be excellent. The Energex foam has latex-like properties and we felt it really working to provide robust pressure relief all around.
 

Other Features

Beyond the preference-based characteristics of comfort and feel, and the body matching for spinal alignment and pressure relief, a mattress will have a number of other attributes that can make it a better or worse choice for you. We call these "priority-based characteristics" because they are areas in which a mattress can be better or worse, but that will have differing amounts of importance to each sleeper. So, determining how much importance to give to these features will be entirely a matter of your own personal priorities. As always, we apply the same ratings standards to each mattress so you can more easily compare apples to apples.

 

Motion Isolation ( what’s this )

Motion isolation was very good in our testing and we felt that the Sparrow bed would be a good choice for couples who don’t want to feel their partner getting in and out of bed. The Nest mattress’s pocketed coils did a very good job working in isolation so that a movements on one side of the bed would not be felt on the other. In our tests with a bowling pin standing upright on the bed, it wobbled when we moved on the mattress, but never fell.

Motion Isolation
8 /10 Very good

 

Temperature ( what’s this )

For most people, we do not think the Sparrow Signature Hybrid mattress will feel hot.

Spring and coil mattresses in general will naturally provide greater air flow than those made of all foam. There's also gel in the top 3" layer of Energex foam. Gel is a known conductor and is included to help draw heat away from the body.

If overheating in bed is an issue for you, we think the Sparrow would be a good choice, though if sleeping hot is a major issue for you, you might want to consider the Firm version of the mattress, in which you would likely not sink in so deeply (allowing for more of the body to be exposed to air).

Stays "Cool" Rating
7 /10 Good

 

Edge Support ( what’s this )

Edge support is important if you like to sit on the side of the bed, or if you tend to sleep along the edge. With the Sparrow Signature Hybrid mattress, our tester sunk down a lot when he sat on the edge. He didn't feel unstable, but some competing hybrid mattresses can do a better job supporting a person sitting on the edge.

When laying on the very edge of the bed, our tester felt his weight better distributed, and did not feel like he was leaning or rolling off the bed at all. If your pets or kids tend to push you towards the side of the bed, we think the Sparrow bed will be just fine.

Edge Support Rating
8 /10 Very good

Nest Bedding Alexander Signature Hybrid Medium
 

Ease of Repositioning ( what’s this )

If you tend to move and change positions a lot over the course of a night, ease of repositioning will be a priority for you. We found the Sparrow  bed to perform well in this area. Our tester had no major trouble moving around or rolling into another position. The mattress’s shallower cushioning, along with it’s quicker-responding foam likely contributed. If ease of movement is an important priority for you, we thought the Sparrow would be a very good choice.

Repositioning Rating
8 /10 Very good

 

Green Features ( what’s this )

For mattress shoppers concerned with the use of natural materials, sustainable manufacturing practices or the like, we offer our subjective evaluation of any efforts taken by the company to make the mattress more green, healthy, or safe.

Nest Bedding does make some natural mattresses, but the Sparrow isn’t one of them. While the foams are petroleum-based, they are certified to the CertiPUR-US standard, which verifies that a material has low VOC off-gassing as well as a lack of chemicals and other substances regulated by the CPSC. This is a certification that's very standard nowadays among mattresses that contain foam.

Steel coils are not known for issues with off-gassing at all, and are potentially recyclable down the road.

We gave the mattress an initial "sniff test" when we first unpacked it. All mattresses have a little new-mattress smell, but the Sparrow Signature Hybrid had less than average in our opinion.

Green Rating
6 /10 Pretty good

 

Adjustable Base Compatibility ( what’s this )

We tested the Nest Sparrow mattress on our standard queen-size adjustable base. We're looking for anything unusual or uncomfortable that might happen when we move it in and out of an articulated position.

Even as brand new, the mattress did an excellent job conforming to our adjustable base unit. Even when our tester got off of the bed while raised, the mattress held its position very well in both the middle and at the foot.

Because of the bed's padded and quilted cover, we did note that it bunches up in a bulky way in the center of the bed when raised --something that can bother some people.

Adjustable Base Use Rating
7 /10 Good

 Nest Bedding Alexander Signature Hybrid Medium

Price, Value & Longevity

How Much Does a Nest Sparrow Mattress Cost?

Prices shown are list prices. Remember that GoodBed keeps our site current with the best available discounts on online mattresses, many of which are exclusive discounts for our readers.

 

What Are You Getting?

The Sparrow mattress from Nest Bedding is a 12” mattress that combines supportive pocketed coils with the softness of a latex-like foam. It’s a type of construction that’s very popular today among the major store brands, and it compares well to something you might see in a mattress or furniture store.

One advantage is the zip-off cover, which is a less common feature. It gives you access to the top comfort layer, so you could potentially extend the life of the mattress by replacing the comfort layer. You can do exactly that through Nest's Lifetime Renewal Exchange program, which allows you to order a new comfort layer free of charge one time during your period of ownership.

In our time testing the Nest bed, we found it to be sturdy and well made. It’s also worth noting that user reviews for Nest Bedding on GoodBed are some of the highest satisfaction ratings we’ve seen for any brand. And in the California King size, the ability to opt for a split configuration is a nice bonus.

 

How Long Will the Sparrow Signature Mattress Last?

When it comes to estimating the comfort lifespan of a mattress, we can use foam density as our best, albeit imperfect, predictor of how long a foam will retain its shape and resiliency. In the case of the Sparrow bed, the primary comfort layer is a proprietary foam called Energex in a 3.5-lb density. Since this is a specialty engineered foam, we have less empirical data about the long-term performance of this material. However, it's a nice perk that the cover unzips to allow access to the whole Energex layer. As a result, you could replace it down the road if need be with a new 3-inch layer of foam, latex, or memory foam, extending the life of the mattress.

Also, the company's lifetime warranty against a 1" body impression demonstrates Nest's confidence in the durability of the mattress, and this gives us additional comfort regarding its longevity prospects.

 

Overall Value

Price-wise, the Sparrow Signature Hybrid is similar to other online mattresses, and its foam-over-pocketed-coils construction type is fairly common. We do think it compares well to what you would find today in traditional mattress stores, and the Nest bed’s price is likely lower. Being able to replace the top comfort layer is an additional advantage that can give you peace of mind. Overall, if you are drawn to the idea of a hybrid bed that combines aspects of foam mattresses with that of coils, then we do think the Alexander Signature Hybrid represents a very good value.

And if you prefer to try a mattress in a store, Nest does have a handful of showrooms, primarily in California and Arizona so you can try before you buy. Otherwise, take comfort that the company offers a 100-night trial, and if you’re not happy for any reason after trying the mattress, you can get a full refund.

Value Rating
8 /10 Very good

 

Other Factors to Consider

Delivery

  • Free delivery to door

Nest Bedding includes free delivery, which is not particularly unusual among its competitors. Delivery is by common carrier like FedEx, who will deliver the box to your door. Nest does offer an in-home setup at extra cost, calculated depending on where you live.

 

Returns

  • 365-day trial period
  • Full refund

Nest offers buyers a very long 365-day trial period, and urges buyers to give the mattress at least 30 days before initiating a return. Upon proof of donation to charity, the company will refund your money. It’s up to you to find a charity that will accept the mattress.

 

Warranty

  • Warranty Length: Lifetime
  • Indentation Coverage: 1” and above

One of the biggest, if not THE biggest complaints about any mattress from consumers regards body impressions—the inability of a mattress to spring back, eventually creating a low spot/sinkhole in the mattress. As such, mattress warranties all contain a term defining how big a sag or ‘body impression’ (measured when no one is on the mattress) is considered a defect, and thus covered under the warranty. The industry standard for mattresses is generally between ¾” and 1.5”. Nest Bedding has chosen to cover indentations that meet or exceed 1”. Practically speaking, that means any softening or sagging would need to be at least that deep before the warranty would offer you protection.

This warranty extends to the original owner for as long as they own the mattress and assumes it has been placed upon an appropriate foundation. See: Nest Bedding warranty policy.

 

Bottom Line: Is the Sparrow Mattress Right for You?

The Sparrow Signature Hybrid from Nest Bedding is a traditional-feeling mattress with some extras. Here’s who we think the mattress is best for, based on our evaluations:

BEST if you:

  • Are a back or side sleeper
  • Are of average weight or lighter
  • Are sensitive to a partner’s movements
  • Need very good pressure relief

NOT IDEAL if you:

  • Are primarily a stomach sleeper
  • Want a bed with lots of memory feel
  • Need the very best edge support

 

Is the Sparrow bed right for you? Take our Mattress Match Quiz to find mattresses that fit your needs, based on your preferences and price range.

Looking for more on the Sparrow mattress? Visit NestBedding.com.

 

Final Note

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