🇺🇸 United States · Hybrid (coils and foam) vs Hybrid (coils and foam)

Beautyrest Harmony Lux CarbonvsAlexander Signature Hybrid

Which one is best for you? Beautyrest Harmony Lux Carbon vs Alexander Signature Hybrid - 2026 comparison by Vs Mattress

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Beautyrest Harmony Lux CarbonCheck current deal.Alexander Signature HybridUp to 60% Off
Beautyrest Harmony Lux Carbon logoBeautyrest Harmony Lux Carbon

Beautyrest Harmony Lux Carbon

by Beautyrest · Hybrid (coils and foam)

Check current deal.

10 years · 100-night trial

Alexander Signature Hybrid logoAlexander Signature Hybrid

Alexander Signature Hybrid

by Nest Bedding · Hybrid (coils and foam)

Up to 60% Off

LIFETIME · 100-night trial

Pricing by size

Beautyrest Harmony Lux Carbon

Twin$1,399
Twin XL$1,449
Full (Double)$1,519
Queen$1,599
King$2,099
California King$2,099

Alexander Signature Hybrid

Twin$1,226
Twin XL$1,332
Full (Double)$1,759
Queen$2,132
King$2,452
California King$2,452

Essential information

Beautyrest Harmony Lux CarbonAlexander Signature Hybrid
TypeHybrid (coils and foam)Hybrid (coils and foam)
Launched19252011
BrandBeautyrestNest Bedding
Made inUnited StatesUnited States
Unique points

The Beautyrest Harmony Lux Carbon Series is a five layer design (prices and information based on the Medium Classic Top):

  • 0.5" Plush Comfort Foam
  • 1" Medium Comfort Foam
  • 1.5" Energy Foam
  • 0.5" Beautyrest® Gel Memory Foam
  • T2 Pocketed Coil® Technology with BeautyEdge®.

The Extra Firm Classic Top is available at a cheaper price.

A five layer construction:

  • 0.5" 4 lb. Gel Infused Memory Foam & Super Soft Quilted Thermic Phase Change Fabric
  • 3" TitanChil Endurance Foam® (3.5 - 4 lb.)
  • 1" SmartFlow Support Foam (3 lb.)
  • 8" Quantum Edge Support Pocketed Coils
  • 1" Base Support Foam (3 lb.).
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Certifications & trial

Beautyrest Harmony Lux CarbonAlexander Signature Hybrid
OEKO-TEX®NoYes
CertiPUR-US®YesYes
CertificationsCertiPur-US®–
Other certification info–<p id="">Global Organic Textile Standard (GOTS)USDA OrganicGREENGUARD GoldEco-INSTITUTMADE SAFE®Rainforest Alliance Certified™Forest Stewardship Council®</p>
Sleep trial100 nights100 nights
Warranty10 yearsLIFETIME
Free shipping––
Free returnsYesYes
Pay laterYesYes
Delivery info

Conveniently delivered using our complimentary White Glove Delivery experience. After checkout, you'll be contacted by our shipping partner to select a delivery day that works best for your schedule. The day of your delivery, you'll get a call confirming your delivery window. Upon delivery, they will set up your new mattress and remove your old mattress and any packaging for that mattress.

Your new mattress can take up to 2-4 business days to make as they are made to order by hand in the USA. Then, we ship from the West Coast, so depending on where you live, it can take 1-5 business days in transit.

Firmness & feel

Beautyrest Harmony Lux CarbonAlexander Signature Hybrid
One firmness fits allNoNo
Select your firmnessYesNo
Adjustable firmnessNoNo
Half and half firmnessNoNo
Flippable / reversibleNoNo
Firmness info

The Harmony Lux Carbon Series has 5 firmness options: Classic Top (available in Extra Firm, Medium and Plush) and Pillow Top (available in Medium and Plush). The Classic Top is a firmer top for traditional support, the Plush Top is a plush, soft top for extra comfort. There is an extra $400 cost associated with the Plush Top options.

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Construction & materials

Beautyrest Harmony Lux CarbonAlexander Signature Hybrid
LayersPlush Comfort Foam, Medium Comfort Foam, Energy Foam, Beautyrest® Gel Memory Foam, T2 Pocketed Coil® Technology with BeautyEdge®Gel Infused Memory Foam & Super Soft Quilted Thermic Phase, Change Fabric, TitanChil Endurance Foam®, SmartFlow Support Foam, Quantum Edge Support Pocketed Coils, Base Support Foam.
CoverSeaqual Fabric Technology utilizes recovered plastics from the ocean to create a durable and luxurious fabric.A soft quilted, luxurious top layer of fabric greets you and provides a cool, comfy surface. This Thermic Phase Change Cooling fabric will help your body regulate its ideal sleeping temperature through the seasons.
Machine-washable coverNoNo
Ergonomic handlesYesYes
ComfortFeaturing our RightTemp™ Wave Foam, our Harmony Lux™ Carbon Series sleeps cool and comfortable all night. Consistently cool and comfortable. InfiniCool™ Lux is a system of layers in the cover and right below the cover that are cool-to-the-touch.A layer of cooling Titanium Infused Memory Foam, the most innovative foam on the market today. Gently unzip your mattress to reveal the patented TitanChill Endurance Foam®. This layer is is engineered to bring your body optimal support, with the freedom of the free exchange program during your 100-night trial to move to a different firmness. The top layer of convoluted foam provides an ergonomically supportive surface and a more airy, breathable surface than traditional flat memory foam. We use our SmartFlow air flow system with punched foams and breathable layers to achieve maximum air flow.
SupportBeautyrest® Harmony Lux™ Carbon Series features our latest innovations in support, comfort, and cooling that work together in harmony for a better night's sleep. Its new and innovative coil design and support system, advanced pressure relieving foams, uniquely engineered cooling technologies and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding. BeautyEdge® for reliable edge support. Our Precision Support System™ powered by T2 Pocketed Coil™ Technology provides additional support where you need it most. Beautyrest® Gel Memory Foam and RightTemp™ Wave Foam work together to create incredible pressure relief.Combining the most innovative titanium infused foam on the planet and the support of high quality individual coils with extra edge support, The Alexander Hybrid Signature Series is the most comfortable mattress on the internet. The Alexander Signature Hybrid Mattress utilizes a very durable individually pocketed coil unit with edge support coils all around the perimeter. This provides a movement-free sleep surface and supports the back perfectly.
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Size & weight

Beautyrest Harmony Lux CarbonAlexander Signature Hybrid
Available sizesTwin, Twin XL, Full (Double), Queen, King, California KingTwin, Twin XL, Full (Double), Queen, King, California King
DimensionsTwin: 14.75 "Twin: 12 "
Twin weight (kg)5755
Twin XL weight (kg)5960
Full (Double) weight (kg)7885
Queen weight (kg)99105
King weight (kg)129115
California King weight (kg)134115

FAQs

Beautyrest Harmony Lux Carbon

How many coils does Harmony Lux have?

The Beautyrest Harmony Lux models all feature the same pocketed coil support unit, which includes 850 coils (in the queen size) and provides zoned support.

What is the Seaqual Fabric Technology?

Seaqual is a collaborative initiative aimed at cleaning our oceans and raising awareness about marine litter. They convert ocean plastics into luxurious, high-quality sustainable fabrics. These fabrics not only feel great but also contribute to cleaner oceans. Each queen-size mattress made using Seaqual fabric helps to eliminate the equivalent of up to 50 water bottles from the ocean.

How do I know which firmness to select when I am mattress shopping?

The choice of mattress firmness is subjective and depends on your personal preferences and problem areas. Stomach sleepers generally benefit from a firmer mattress, while back sleepers find comfort in a firm to medium feel. Side sleepers often prefer a medium or plush mattress with extra pressure relief. These guidelines can assist in narrowing down options, but personalized recommendations based on individual needs can be obtained from the Customer Support team.

Alexander Signature Hybrid

Does the Sparrow mattress retain heat?

The Sparrow mattress is designed to dissipate heat effectively. It achieves this through its design that allows heated air to escape through the sides and bottom of the mattress. The foam within the quilted pillowtop also aids in releasing built-up heat from your body. With the right foundation and naturally cooling sheets, these features ensure a comfortable night's sleep.

Is the Sparrow mattress suitable for intimate activities?

The Sparrow mattress is ideal for couples due to its various features. It has increased edge support coils, handles for adjusting, and responsive foams that provide a supportive surface for both sleep and intimate activities.

How is the Sparrow mattress shipped and how long does it take to expand?

The Sparrow mattress is compressed, folded, and rolled into a large cardboard box for shipping. Once received, it will reach its intended height within 12 to 24 hours, although it might take up to 72 hours to fully expand.

Wrap up

Thank you for checking out this Beautyrest Harmony Lux Carbon vs Alexander Signature Hybrid mattress comparison. We have tried to compare all the necessary information to help you choose which mattress is the most suitable for you.

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