Dr. Jordan Burns Tested 40+ Mattresses to Find the 8 Best Firm Mattresses of 2026

The AS2 earned the top spot on this list by holding position rather than by feeling dramatic. It is a quiet bed to lie on and a steady one to sleep on.

Support through the midsection. During testing, Dr. Burns found the 3-inch HIVE transition layer firmed up under the hips and lower back while staying softer under the shoulders, so the pelvis stayed lifted without the shoulder being pushed up with it.

Repositioning. The Bio-Pur comfort layer released almost as soon as weight moved off it. Rolling from back to stomach took no push, and no impression stayed behind when Dr. Burns lifted a hand off the surface after thirty seconds.

Partner movement. With a second tester moving on the far side of a queen, motion arrived faint and local rather than travelling across the bed.

Best For:

• Back sleepers who want the lower back supported without a hard surface
• Stomach sleepers who need the hips held level with the shoulders
• Heavier sleepers who bottom out on softer foam

Compare Instead:

• Zoma Start Hybrid if you want firm support from a coil core at a 10-inch profile, the thinnest on this page
• Saatva Classic (Firm) if you want a true innerspring at 8 out of 10 with the widest size range here, eight sizes
• FORM Core Hybrid if you want a firmer perimeter, since it is one of five picks scoring 10 for edge support

On his back, Dr. Burns found the hips settled about an inch into the Bio-Pur layer and then stopped, with the shoulders sitting at the same height rather than propped above them. The lower back stayed in contact with the surface instead of leaving a gap, which is the specific thing a 7 out of 10 feel is meant to do and the specific thing softer foam beds fail at.

Stomach-sleeping gave the clearer result. The midsection held and no arch opened through the lower back across a sustained session. Dr. Burns noted the chest did not feel pressed either, which happens on beds that take their firmness from a hard surface rather than from a dense base.

On his side the AS2 read firmer than a dedicated side-sleeper surface. The shoulder compressed into the comfort layer but reached the transition layer sooner than it would on a plusher bed, so the arm carried more of the load. Lighter side sleepers will notice that most.

Repositioning is where Bio-Pur separates from conventional memory foam. There was no slow sink on the way in and no hold on the way out, so changing position took no effort at all.

At the edge the AS2 gave more than the coil-supported picks did. Sitting to put shoes on, the perimeter compressed noticeably before it steadied. Sleeping four inches in was fine. Sitting on the very edge is where the 8 out of 10 edge support score shows.

The AS2 suits back and stomach sleepers who want the hips held level, and heavier sleepers who want a firm surface that still releases quickly when they move.

The AS2 is 12 inches in three layers, and each one shows up in a different result. The 2-inch Bio-Pur comfort layer is what let the surface release so fast on repositioning: it is an open-cell plant-based foam, so it does not hold a shape the way conventional memory foam does, and no impression stayed behind after thirty seconds of hand pressure. Beneath it, the 3-inch Affinity layer with HIVE zoning is why the hips stayed lifted while the shoulders still had room, since the hexagonal cutouts sit closer together under the lumbar region and further apart under the shoulders. The 7-inch Bio-Core base is what all of that lands on, and it is the reason the surface did not soften across a sustained session. The foams carry CertiPUR-US certification, which tests for low VOC emissions and for the absence of certain regulated substances including formaldehyde, phthalates and specific heavy metals.

The FORM Core Hybrid earns its place here for the sleeper who wants firm lumbar support and a stay-on-top surface but does not actually want a hard bed. That is a more common shopper than the category admits.

Zoned support. Dr. Burns scored the lumbar zone at around 7 out of 10 and the shoulder zone at around 5 out of 10, so the support concentrates where a back sleeper needs it and eases where a shoulder needs room.

Couples. This is one of very few beds our team has tested that returned top marks for responsiveness and motion containment at the same time, a pairing that usually trades off. The Integra-Mesh reinforcement inside the GelGrid contains movement laterally and the pocketed ZoneCoil 7-Series contains it at the support level, so one partner moving does not travel across the bed.

Perimeter. Because the edge held under both seated and near-edge sleeping weight at every point Dr. Burns checked, both partners can use the full width instead of drifting toward the middle.

Surface temperature. The AeroWeave cover read cool under a full minute of flat hand contact rather than warming after a few seconds, and the open coil base moves air through the core. Cooling scores 9 out of 10 here, which is strong for a hybrid carrying no active phase-change layer.

Best For:

• Back sleepers who want firmer pushback under the lower back than under the shoulders
• Combination sleepers who reposition often and dislike a slow-recovering surface
• Couples who sleep near the edges and want the full width of the bed

Compare Instead:

• Amerisleep AS2 if you want an all-foam memory foam feel that conforms rather than a fast-recovering grid surface
• Saatva Classic (Firm) if you want a true firm innerspring at 8 out of 10 with a coil-on-coil build
• Avocado Green (Firm) if you want a latex feel and organic certified materials

The first thing our team recorded on the FORM Core Hybrid was how quickly the surface stopped moving. On most beds there is a settling period, a few seconds where the body finds its final position. Here the grid flexed at the contact points and then held.

On his back, Dr. Burns found the lumbar zone filled in without a dramatic drop, and the hips did not fall below the shoulders, which is the failure to watch for on any bed with a soft-feeling top layer. On his side, the shoulder yielded into the grid quickly but with a controlled give rather than a slow sink, and the hip sat higher on the firmer zone underneath. Stomach-sleeping was more workable than a grid surface usually is, though there was more midsection give than a true firm bed allows.

Rolling over is where this bed is genuinely different from the rest of the list. Dr. Burns pressed a hand into the surface for thirty seconds and lifted it with no visible impression behind it. Position changes took no effort, and getting up in the morning meant pushing off a stable platform rather than out of a slow-recovery hollow.

For motion, a second tester lay still on the far side while Dr. Burns rolled over and changed position. Neither registered on the far side. Only exaggerated movement came through, and faintly.

At the edge, Dr. Burns sat at the center of each long side, at both corners and at the foot. Compression was minimal at every point and nothing tipped or slid. Sleeping four inches from the perimeter felt no different from sleeping in the middle.

The FORM Core Hybrid suits back and combination sleepers who want firm lumbar support with a surface that recovers instantly rather than settling.

The FORM Core Hybrid is 12 inches in four working layers over a knit cover, and each one earns its place in a specific result. The AeroWeave cover is what read cool under a full minute of flat-palm contact rather than warming after a few seconds. Below it, the 1.5-inch GelGrid with Integra-Mesh reinforcement is what produced the instant recovery our team measured: the open-cell structure flexes at contact points and channels air between the cells, and the mesh woven through it is why the surface did not ripple or shift sideways when weight moved across it. The 1.5-inch ContourFlex transition layer smooths the handoff to the support core, so the sink does not reach a hard stop partway down. The 8-inch ZoneCoil 7-Series pocketed coil unit is where both the zoned response and the motion containment come from, since each coil compresses on its own rather than pulling on its neighbors. The 1-inch BaseFlex layer underneath resists uneven compression over time. The foams carry CertiPUR-US certification, and the mattress also holds GREENGUARD Gold, which tests chemical emissions, and OEKO-TEX Standard 100, which tests component materials including thread and trim. The construction is fiberglass-free.

The Zoma Start Hybrid is here because it does something no other pick on this page does: it delivers firm coil support in a 10-inch profile.

Profile. At 10 inches this is the thinnest bed on this list. On a bunk, a trundle, a captain’s bed or a tall frame, that is the difference between a mattress that fits and one that does not, and standard sheets fit it without a deep pocket.

Support. During testing, Dr. Burns found very little travel before the zoned pocket-coil core took over, so the hips stayed lifted in back-sleeping and the midsection held on the stomach. The 13-gauge perimeter coils and 15-gauge center coils are why the firmness is not uniform under the body.

Edge. Dr. Burns sat on the perimeter to put shoes on and found it held to within a couple of inches of the seam, which is unusual on a bed this thin.

Best For:

• Back and stomach sleepers who want firm coil support
• Sleepers whose frame, bunk or room height rules out a taller mattress
• Couples who sleep close to the edges of a queen

Compare Instead:

• Nest Bedding Sparrow (Firm) if you want a taller 14-inch hybrid with a 365-night trial and a limited lifetime warranty
• Amerisleep AS2 if you want an all-foam feel with a 20-year warranty rather than a coil core
• FORM Core Hybrid if you want a faster-recovering surface, since it is one of three picks scoring 10 for response time

The Zoma Start Hybrid reads firm on contact rather than after a settling period. There is a gel memory foam layer on top, but at 1 inch there is not enough of it to sink through, so the body arrives at the coil unit quickly.

On his back, Dr. Burns found the hips stayed lifted with the shoulders sitting level rather than above them, and the lower back kept contact with the surface instead of leaving a gap. On his stomach the midsection held and no arch opened, which is the result the zoned coil layout is built for.

On his side the bed read firm, as a 7 out of 10 should. The shoulder reached the transition layer quickly and the hip sat high, so a lighter side sleeper will carry more pressure at those two points than they would on a plusher surface. This is not a side-sleeper bed and does not pretend to be.

Repositioning is the one place the Zoma Start Hybrid lags the rest of the list. The gel foam holds its shape a beat longer than the coil-heavy picks, and Dr. Burns felt that on every position change. It is a short lag rather than a stuck feeling, but it is there, and it is why the response time score is the lowest on this page.

At the edge, the perimeter coils held under seated weight to within a couple of inches of the seam. With a second tester moving on the far side, movement arrived softened rather than absent.

The Zoma Start Hybrid suits back and stomach sleepers who want firm coil support in a profile a taller mattress cannot give them.

The Zoma Start Hybrid is 10 inches and the stack is short on purpose. The AirCloth cover is a ventilated polyester and spandex knit, and it is what read cool on first contact before the body warmed the surface. Under it sits 1 inch of gel memory foam, which is enough to take the edge off the coil unit at the shoulder without letting the hip travel, and it is the reason a firm bed still eases the contact points rather than pressing back at them. Below that, 1 inch of Reactiv is the layer that decides how fast the surface recovers, and it is also where the beat of lag on repositioning comes from. The 8-inch zoned pocket-coil core carries everything else: over 700 individually wrapped coils, 13-gauge around the perimeter and 15-gauge through the center, which is why the edge held under seated weight and why one tester’s movement arrived softened rather than travelling. The foams carry CertiPUR-US certification, which tests for low VOC emissions.

The AS6 Black Series takes the cooling award on this page because it is built around temperature at three separate points in the stack rather than treating the surface and calling it cooling.

Surface temperature. During testing, Dr. Burns found the CryoCool cover cool on first contact and still cooler under the hand than the denser foam beds our team compared through the first hours. The TitanAir layer below it is perforated for airflow, and the ArcticWave bands sit between the comfort foams and the coil unit.

Firm support with contour. The PrecisionCoil unit takes the load early on the Firm build, so the hips held their height in back-sleeping while the Bio-Pur layer still eased the shoulder rather than pressing back at it.

Partner movement. With a second tester moving on the far side, the pocketed coil unit contained movement locally. Motion transfer scores 10 out of 10 here.

Best For:

• Hot sleepers who want a firm surface rather than a plush one
• Back sleepers who want the hips held level at an 8 out of 10 feel
• Stomach sleepers who need the midsection supported across a sustained session

Compare Instead:

• Nolah Evolution 15 (Firm) if you want a lifetime warranty and a quilted Euro top at a similar profile
• Amerisleep AS2 if you want the same 20-year warranty in an all-foam build at 12 inches
• FORM Core Hybrid if you want a medium feel with a firmer lumbar zone rather than a uniform firm surface

The AS6 Black Series (Firm) registers cool before it registers firm. Dr. Burns noted the CryoCool cover felt cool on first contact, the way a windowpane does on a cold morning, and that the sensation persisted under sustained hand contact rather than fading after a few seconds.

On his back, the firmness arrived quickly. There is contour in the Bio-Pur layer but not much travel before the PrecisionCoil unit takes over, so the hips held their height and the lower back stayed supported rather than dropping into a hollow. Dr. Burns found the shoulders sat level with the hips rather than propped above them.

On his stomach the midsection stayed up. At 8 out of 10 this is the build that suits that position, and no arch opened through the lower back across a sustained session.

On his side the AS6 read firm. The shoulder compressed into the Bio-Pur layer and then met resistance, so a dedicated side sleeper carries more load at the shoulder and hip than a softer feel would allow. Dr. Burns did not record pressure building at those points, but he did record that the surface gave less than the plusher builds of this same mattress.

Repositioning was clean. The Bio-Pur layer released without holding the shape, and with a second tester moving on the far side of a queen the pocketed coils kept movement local.

The AS6 Black Series (Firm) suits hot sleepers who want firm support, and back and stomach sleepers who want the hips and midsection held without a hard surface underneath them.

The AS6 Black Series is 14 inches and the cooling work happens at three separate depths. The CryoCool cover is the layer responsible for the cool-on-contact reading, and it is what held cooler under sustained hand pressure rather than warming after a few seconds. Below it, the TitanAir layer is titanium-infused and perforated, which is why the surface kept moving air rather than sealing under body weight. The ArcticWave cooling bands sit deeper, between the comfort foams and the support unit, so heat that gets past the top two layers has somewhere to go. The Bio-Pur memory foam is the layer doing the contour: it is what eased the shoulder on the Firm build without letting it travel far, because the layer above it is thin and the unit below it is firm. The Affinity transition layer smooths the handoff into the PrecisionCoil support system, and those individually wrapped coils are why the hips held their height in back-sleeping and why one tester’s movement stayed local. The mattress carries CertiPUR-US, GREENGUARD Gold and OEKO-TEX Standard 100 certification, which test for low VOC emissions and for the absence of certain regulated substances.

The Saatva Classic is on this list because nothing else here is an innerspring, and because the Firm build delivers that classic coil feel without the hardness the category is remembered for.

Coil on coil. The base is 13-gauge tempered steel in an open unit, and a layer of individually wrapped 14.5-gauge coils sits above it. During testing, Dr. Burns found the surface pushed back immediately rather than compressing and holding, which is why response time scores 10 out of 10.

Alignment through the middle. An extra foam layer runs the center third of the mattress. Dr. Burns found the hips stayed at the same height as the shoulders in back-sleeping and the midsection held on the stomach, with the Euro top taking the edge off at the shoulder.

Perimeter. A high-density foam rail surrounds the coil unit. Sitting on the edge to put shoes on, Dr. Burns found almost no slump, and sleeping close to the seam felt no different from the middle.

Best For:

• Back and stomach sleepers who want a firm coil surface with bounce
• Sleepers who want a split king or split California king configuration
• Anyone who dislikes the settling feel of foam and wants immediate pushback

Compare Instead:

• Nolah Evolution 15 (Firm) if you want a hybrid with a lifetime warranty and a quilted Euro top, and one of two picks tying for the top value score here
• Avocado Green (Firm) if you want organic certified latex over coils rather than steel over steel
• Amerisleep AS2 if you want an all-foam build with the same firm intent at 12 inches

The Saatva Classic (Firm) does not have a settling period. Dr. Burns found the coil unit pushing back from the moment weight arrived, with the Euro pillow top taking the initial contact rather than the steel underneath it.

On his back, the hips did not drop. The lower back stayed supported by the center-third foam layer rather than opening a gap, and the shoulders sat level with the hips instead of above them. On his stomach the midsection held, and no arch opened through the lower back across a sustained session.

On his side, the 8 out of 10 build read firm. The organic cotton Euro top gave at the shoulder, but the coil unit is close enough underneath that a lighter side sleeper will feel it. This build is not aimed at that sleeper and the Luxury Firm and Plush Soft options exist for a reason, though our team tested the Firm and every observation here describes that build.

Repositioning is where the innerspring construction separates itself from the foam picks on this page. There is no lag on release at all. Dr. Burns moved from back to side to stomach with no push required and nothing holding on the way out.

For motion, a second tester rolled over and changed position on the far side. Movement arrived as a faint, brief wobble rather than a travelling wave, which is unusual for a coil-on-coil bed and is what the wrapped upper coil layer is for. Motion transfer scores 9 out of 10 here rather than 10, and that faint wobble is the reason.

At the edge, the foam rail held. Dr. Burns sat on the perimeter to put shoes on with almost no slump and slept close to the seam without drifting.

The Saatva Classic (Firm) suits back and stomach sleepers who want immediate coil pushback under a cushioned top, and anyone shopping a split configuration.

The Saatva Classic is the only bed on this list built coil on coil, and that decides almost everything about how it behaves. The 3-inch Euro pillow top under an organic cotton cover is the layer standing between a sleeper and the steel, and it is why an 8 out of 10 build eased the shoulder rather than pressing back at it. Below it, a memory foam layer smooths the handoff into the coil section, and a further foam layer runs the center third of the mattress, which is the reason the hips held their height in back-sleeping and the midsection stayed level on the stomach. The upper coil layer is individually wrapped 14.5-gauge steel, and that is what kept a second tester’s movement to a brief local wobble rather than a wave across the bed. The open 13-gauge tempered steel core underneath supplies the immediate pushback our team recorded on repositioning, and a high-density foam rail around the perimeter is why the edge held under seated weight. The cover carries a Guardin botanical antimicrobial treatment, and the foams are CertiPUR-US certified, which tests for low VOC emissions and for the absence of certain regulated substances.

The Nolah Evolution 15 takes the pillow-top award because it is the only bed here that puts real cushion on top of a genuinely firm support unit rather than using the cushion to soften the whole bed.

The top layer. The quilted Euro top gives at first contact. During testing, Dr. Burns found it compressed at the shoulder and hip and then handed off cleanly to the graphite-infused AirFoamICE beneath it, so the surface reads plush without the body travelling far.

The support unit. The HDMax Tri-Zone coil system runs firmer under the hips and lower back. That is why an 8 out of 10 build with a pillow top still held the pelvis level in back-sleeping instead of letting the cushion swallow it.

Couples. With a second tester rolling over and getting in and out on the far side of a queen, nothing registered. Motion transfer scores 10 out of 10, and the Evolution is the only pick here holding 10 for both motion transfer and value.

Best For:

• Back sleepers who want a cushioned surface without the hips dropping
• Stomach sleepers who need the midsection supported across a sustained session
• Couples where one partner moves or gets up while the other is asleep

Compare Instead:

• Saatva Classic (Firm) if you want a true innerspring with the widest size range here, eight sizes
• Nest Bedding Sparrow (Firm) if you want a longer decision window, since it is one of four picks with a 365-night trial
• Amerisleep AS2 if you want an all-foam build at 12 inches rather than a 14-inch hybrid

The Nolah Evolution 15 (Firm) reads dense but responsive. There is an initial give from the quilted Euro top, not pillow-soft but enough to cushion the surface under the hips and shoulders, and then the firmness underneath arrives.

On his back, Dr. Burns found the hips did not sag. The Tri-Zone coil unit runs firmer through the lumbar region, so the pelvis held its height while the Euro top handled the shoulder. On his stomach the lower spine stayed neutral across a sustained session, with no arch opening. The overall impression is of resting on the mattress rather than in it, which is what a firm pillow top is supposed to deliver and what a plush one does not.

Support stayed even from edge to center. Dr. Burns rolled from the middle toward the seam without feeling the surface change underneath him, which is not true of every zoned bed.

On temperature, the graphite-infused AirFoamICE layer kept the surface feeling fresh rather than clammy through the first hours, and it read cool to the touch on first contact. Cooling and breathability scores 9 out of 10 here, and the surface did warm more than the two picks on this page holding 10.

For motion, a second tester rolled over, changed position and got in and out of bed on the far side of a queen. Dr. Burns registered none of it. At the edge, the reinforced perimeter coils held under both seated weight and near-edge sleeping, with no drop toward the seam.

The Nolah Evolution 15 (Firm) suits back and stomach sleepers who want cushion at the surface without losing the hips to it, and couples where one partner moves or gets up while the other is asleep.

The Nolah Evolution 15 is built as a pillow top over a firm unit, and the seven layers divide cleanly between those two jobs. The organic cotton and ArcticTex cover with its 2-inch quilted Euro topper is the cushion, and it is what gave at the shoulder and hip on first contact before handing off rather than continuing to sink. Below it, 2 inches of graphite-infused AirFoamICE is where the temperature work happens: it is what kept the surface reading fresh rather than clammy through the first hours of testing. Then 2 inches of high-resilience foam and 1 inch of high-density foam make the transition from cushion to support, and they are the reason the handoff felt continuous rather than hitting a hard stop partway down. The 8-inch HDMax Tri-Zone coil unit carries the rest: firmer coils through the hip and lumbar region, which is why the pelvis held its height in back-sleeping, and reinforced coils around the perimeter, which is why the edge held under seated weight. The foams carry CertiPUR-US certification, which tests for low VOC emissions.

The Avocado Green takes the latex award because latex does something no foam on this page does, and the Firm build is where that difference is clearest.

Lift instead of contour. During testing, Dr. Burns found the Dunlop latex pushed back against load rather than shaping around it. There was no settling period and no impression left behind after sustained pressure, so the surface a sleeper lies down on is the same one they wake up on.

Alignment through the hip. The comfort layer is deliberately shallow at 2 inches, so the body reaches the coil unit fast. Dr. Burns found the hips stayed level with the shoulders in back-sleeping with very little travel before support arrived.

Perimeter on all four sides. The coil unit reinforces the head and foot as well as both long sides. Sitting on the edge to put shoes on, Dr. Burns found the surface held rather than rolling away underneath him.

Best For:

• Back and stomach sleepers who want the hips lifted rather than cradled
• Shoppers who want organic certification on the finished mattress, not one material
• Sleepers coming off a foam bed who dislike the feeling of settling into a surface

Compare Instead:

• Saatva Classic (Firm) if you want a firm coil surface with a lifetime warranty and the widest size range here
• Nest Bedding Sparrow (Firm) if you want a taller hybrid at 14 inches with a limited lifetime warranty
• FORM Core Hybrid if you want a medium feel with a firmer lumbar zone rather than a uniformly firm surface

The Avocado Green (Firm) reads firm on first contact and does not soften on acquaintance. The organic cotton cover and wool layer take the first fraction of an inch, and then the Dunlop latex arrives, and latex does not compress the way foam does.

On his back, Dr. Burns found the hips stayed level with the shoulders with very little travel. The comfort layer is only 2 inches deep on this build, so the coil unit takes the load early rather than after a sink. The lower back stayed in contact with the surface instead of opening a gap.

On his stomach the midsection held. Dr. Burns noted the shoulders stayed relaxed and the hips did not drop, which is the result the shallow latex layer and the firmer center coils are built to produce together.

On his side the Firm build read hard. The cotton and wool quilting softened the first contact at the shoulder, but the latex underneath does not yield much and the coil unit is close behind it. A lighter side sleeper will feel the shoulder and hip carrying load here. This is not the build for that sleeper, and Avocado offers Medium and Plush for a reason, though our team tested the Firm and every observation here describes it.

Repositioning is immediate. Latex releases as soon as weight moves, so there is no lag and nothing holding on the way out. With a second tester moving on the far side, the individually wrapped coils kept movement local rather than sending it across.

At the edge, the four-sided reinforcement held. Dr. Burns sat on the perimeter without the surface rolling away.

The Avocado Green (Firm) suits back and stomach sleepers who want a lifting surface and immediate release, and shoppers who want organic certification across the whole mattress.

The Avocado Green (Firm) is 11.5 inches, and the build is short on purpose. The GOTS-certified organic cotton cover and the organic wool beneath it are what softened first contact at the shoulder, and the wool is also the flame barrier, which is why no chemical flame retardant appears anywhere in the mattress. Below that sits 2 inches of GOLS-certified organic Dunlop latex, and its shallowness is the point: it is what let the body reach support fast so the hips stayed level rather than travelling. Two organic cocofiber pads sit under the latex on this build, and they are the reason the Firm reads firmer than the Medium despite using the same coil unit. That unit is 8 inches of individually wrapped recycled steel in a patented seven-zone layout, up to 1,337 coils, with firmer 14-gauge coils through the hip and lumbar region and reinforcement on all four sides, which is why the edge held under seated weight rather than rolling away. Nothing bonds the comfort layers: they are needle-tufted by hand. The finished mattress is certified to GOTS, OEKO-TEX Standard 100 Class I, GREENGUARD Gold, MADE SAFE and EWG Verified standards, which test organic integrity, chemical emissions and material content.

The Sparrow is the couples pick because the two things that actually ruin a shared bed, a soft perimeter and travelling movement, are the two things it handles best.

Edge. During testing, Dr. Burns sat at the perimeter to put shoes on and found the 13.75-gauge reinforced edge coils compressed very little. Sleeping four inches from the seam felt no different from the middle, so the usable surface is the whole surface.

Movement. With a second tester rolling over, changing position and getting in and out on the far side of a queen, almost nothing registered. Each coil is wrapped separately, so it compresses under the weight above it rather than pulling its neighbors down with it.

Cushion over firmness. Two layers of quilted gel memory foam sit in the cover above the 30 ILD Energex layer, so the Firm build gave at first contact before the support took over. Dr. Burns found the hips held level in back-sleeping despite that give.

Best For:

• Couples who sleep near the edges of a queen or king
• Light sleepers whose partner changes position or gets up while they are asleep
• Back and stomach sleepers who want firm support under a cushioned surface

Compare Instead:

• Saatva Classic (Firm) if you want a true innerspring with the widest size range here, eight sizes
• Nolah Evolution 15 (Firm) if you want a deeper pillow-top surface over the coil unit
• Amerisleep AS2 if you want an all-foam build at 12 inches rather than a 14-inch hybrid

The Sparrow Firm gives before it holds. Two quilted layers of gel memory foam sit in the cover, so the first inch has some cushion, and then the 30 ILD Energex layer underneath takes over and the bed reads firm from there down.

On his back, Dr. Burns found support even across the whole surface rather than concentrated anywhere. The hips held level with the shoulders and the lower back stayed in contact with the surface. Nest does not zone this bed, and that shows up as consistency rather than as targeted support: it feels the same under the shoulder as under the hip, which is a fair trade at this firmness.

On his stomach the midsection stayed up across a sustained session with no arch opening through the lower back.

On his side the Firm build read firm, as it should. The quilted cover cushioned the shoulder at first contact but the Energex layer is dense on this feel and the coil unit sits an inch below it, so a lighter side sleeper will carry load at the shoulder and hip. Nest’s Plush and Medium feels exist for that sleeper, though our team tested the Firm and every observation here describes it.

Repositioning was quick. Energex releases without the slow recovery of conventional memory foam, so no impression stayed behind and changing position took little effort.

Motion and edge are where this bed does its best work. With a second tester rolling over and getting in and out on the far side, Dr. Burns registered almost nothing. At the perimeter, the reinforced coils held under seated weight with very little compression.

The Sparrow Firm suits couples who use the full width of the bed, and back and stomach sleepers who want firm support under a cushioned top.

The Sparrow is 14 inches, and the layers divide between comfort at the top and containment underneath. The 1-inch quilted cover carries a THERMIC phase-change fabric over two layers of 4 lb gel memory foam, and it is what gave at first contact so a Firm build did not read hard at the shoulder. The phase-change layer is also why the surface held a neutral temperature under sustained contact rather than warming immediately. Below it, 3 inches of Energex at 30 ILD on the Firm build is the layer that decides the feel: it recovers without the slow release of conventional memory foam, which is why no impression stayed behind and why repositioning took little effort. A 1-inch SmartFlow layer transitions into the support unit and keeps air moving between the foam and the coils. The 8-inch coil unit is where the two results this bed is awarded for come from: up to 961 individually wrapped coils at 14.5 gauge through the center, so one tester’s movement stayed local, and 13.75-gauge reinforced coils around the perimeter, so the edge held under seated weight. A 1-inch base foam sits under the coil unit as a buffer against the foundation. The foams are CertiPUR-US certified, tested for low VOC emissions, and the fire barrier is a non-chemical hydrogenated silica knit.