by Sapphire mattresses are 14-inch thick hybrid mattresses with the up-to-the-minute technology of PCM (phase change material). In addition, Sapphire mattresses have thick fabric to provide you with an enchanting cooling experience all day and night.
You can choose between encapsulated or unencapsulated PCM. However, encapsulation will serve to increase the strength of PCM. PCM acts as a temperature regulator, making you sleep at the temperature you want.
No doubt, Sapphire mattresses are good-to-use mattresses. But if you are longing for a lavish mattress, Saatva Classic Hybrid is the one that should be picked. Saatva Classic Hybrid not only blesses you with great motion isolation but is also a master mattress for providing relief from pressure.
Editor's pick — mattress review category
Saatva Classic
From $1,174 (Twin) · Saatva's #1 bestseller · Euro pillow top · 3 firmness · 365-night trial · Lifetime warranty
Sapphire mattresses are 14-inch thick hybrid mattresses with the up-to-the-minute technology of PCM (phase change material). In addition, Sapphire mattresses have thick fabric to provide you with an enchanting cooling experience all day and night.
TL;DR
This mattress review covers construction, firmness, trial/warranty, price, and who it fits. Saatva Classic is our baseline benchmark for mid-luxury (Euro pillow top, 365-night trial, lifetime warranty) against which we measure competitors.
Jump to section
- The #1 alternative we recommend
- Pros and Cons
- Who Do We Recommend Sapphire Cool Phase Hybrid for?
- Avoid Sapphire Cool Phase Hybrid:
- Comfort and Firmness
- Performances
- What is Sapphire Cool Phase Hybrid Made of?
- Is Sapphire Cool Phase Hybrid Flippable?
- Does Sapphire Cool Phase Hybrid Come in a Box?
- Is Sapphire Cool Phase Hybrid Usable With an Adjustable Bed?
You can choose between encapsulated or unencapsulated PCM. However, encapsulation will serve to increase the strength of PCM. PCM acts as a temperature regulator, making you sleep at the temperature you want.
No doubt, Sapphire mattresses are good-to-use mattresses. But if you are longing for a lavish mattress, Saatva Classic Hybrid is the one that should be picked. Saatva Classic Hybrid not only blesses you with great motion isolation but is also a master mattress for providing relief from pressure.
Our Top Recommendation
Our top mattress recommendation
After testing dozens of mattresses, Saatva Classic remains the most versatile pick for most sleepers. Three firmness levels (Plush Soft, Luxury Firm, Firm), dual-coil support with reinforced lumbar zone, and an organic cotton Euro-top. It ships on a 365-night home trial with free White Glove delivery (in-room setup + old mattress removal).
Ongoing 2026 promotions: up to $625 off sitewide, plus an additional $225 off orders $1,000+ for military, veterans, first responders, teachers, nurses, healthcare, and government employees via ID.me. Lifetime warranty included.
Last Updated: March 2026 - Content reviewed and verified by our editorial team.
Saatva Classic
3 firmness options · 365-night trial · Free white-glove delivery & setup
Our #1 Recommended Mattress
Saatva Classic. From $1,095
365-night trial · Lifetime warranty · Free white-glove delivery
Sapphire mattresses are 14-inch thick hybrid mattresses with the up-to-the-minute technology of PCM (phase change material). In addition, Sapphire mattresses have thick fabric to provide you with an enchanting cooling experience all day and night.
You can choose between encapsulated or unencapsulated PCM. However, encapsulation will serve to increase the strength of PCM. PCM acts as a temperature regulator, making you sleep at the temperature you want.
No doubt, Sapphire mattresses are good-to-use mattresses. But if you are longing for a lavish mattress, Saatva Classic Hybrid is the one that should be picked. Saatva Classic Hybrid not only blesses you with great motion isolation but is also a master mattress for providing relief from pressure.
Sapphire mattresses are 14-inch thick hybrid mattresses with the up-to-the-minute technology of PCM (phase change material). In addition, Sapphire mattresses have thick fabric to provide you with an enchanting cooling experience all day and night.
You can choose between encapsulated or unencapsulated PCM. However, encapsulation will serve to increase the strength of PCM. PCM acts as a temperature regulator, making you sleep at the temperature you want.
No doubt, Sapphire mattresses are good-to-use mattresses. But if you are longing for a lavish mattress, Saatva Classic Hybrid is the one that should be picked. Saatva Classic Hybrid not only blesses you with great motion isolation but is also a master mattress for providing relief from pressure.
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The #1 alternative we recommend
– 40K + ⭐⭐⭐⭐⭐ reviews
– FREE White Glove Delivery service
Pros and Cons
What We Like
- Luxury innerspring with excellent lumbar support
- Multiple firmness options available
- Free white-glove delivery and mattress removal
- 365-night trial and lifetime warranty
What Could Be Better
- Higher price than many online brands
- Heavier than foam mattresses
- Not compressed in a box
- Some off-gassing possible initially
Who Do We Recommend Sapphire Cool Phase Hybrid for?
- Sapphire is highly recommended if you wish for a cool and calm night. The mattress fiber changes its color from gray to white. This is an indication that your body heat is being dissipated.
- It also provides great orthopedic support for those who work tirelessly.
- Also, Sapphire mattresses are highly comfortable mattresses. It provides support to your vertebral column.
- Sapphire mattresses are fantastic for side sleepers due to the plush foam used in these mattresses.
Avoid Sapphire Cool Phase Hybrid:
- If you are looking for more firm options since sapphire mattresses come only in one firmness level.
- Stomach sleepers, back sleepers, or heavy people with more than 230 pounds should prevent using sapphire mattresses because it may cause a huge sink to such sleepers.
- Its sleep trial is risky due to its processing and reinvigorating fee. So, the charges are on you.
Comfort and Firmness
The Sapphire dream mattress provides great comfort to side sleepers. Its memory foam is quite soft and gives its users pressure relief luxury plush pillow top surface. These mattresses do not come in different firmness levels. It only comes in one firmness option: medium soft that lies between medium soft.
On the other hand, the Saatva mattress is recommended if you are looking for more firmness and thickness options. Saatva mattresses come in three different firmness levels and two different thickness levels.
Performances
Sapphire dream mattress is a hybrid type of mattress that is made of a diverse combination of materials. Due to this reason, it's recorded to provide benefits to many types of sleepers. Its foundation is quite reliable and strapping due to the innerspring core.
But if you yearn for a mattress that lasts for a long time, then Saatva Classic is at the top of the list. Saatva Classic Hybrid mattress is made with first-rate materials and has the longest running period.
Is it a Good Mattress for Back Pain?
The foam of the Sapphire dream mattress is highly packed and dense to protect its sleepers from the underlying spring coil system. But the foam's high density never lessens the mattress's firmness level. Therefore it is a really good mattress for people who are facing the problem of back pain.
Sapphire mattress works well for back sleepers who weigh less than 130 pounds. On the contrary, Saatva mattresses come in three different firmness options. You can choose according to your body weight and your sleep position.
Edge Support and Sagging
The Sapphire dream users have recorded that it is remarkable at providing solid and sturdy edge support. The innerspring coil core provides great support to its sleepers. Coils provide a perfect orchestration all across the mattress without letting it sag from any side.
Motion Isolation
Sapphire dream mattresses have extraordinary motion isolation due to the profound makeup of its mattress. Its mattress foam has three constructive layers. Its uppermost layer is made with memory foam.
Memory foam can prop up the body and minimize motion transfer. The poly foam beneath the soft sensation of memory foam increases the mattress sink decreasing the overall bounce across the bed.
Hence one of the plus points of the Sapphire Dream mattress is its power of motion isolation. So, you can sleep comfortably without being disturbed even when your partner is shifting sides.
Sleeping Position and Weight
When buying a new mattress, you should consider your sleeping posture and weight because every mattress has its pros and cons for different sleeping types and weights. Sapphire dream mattress is a perfect match for side sleepers.
They have never recorded any grievance about the sapphire dream mattress. But it is not beneficial for stomach or back sleepers. Because of its medium-soft nature, the foam might sag or sink inwards in the case of stomach or back sleepers.
If we talk about weight, the Sapphire dream mattress is goodly rated for smart people who weigh under 130 lbs. It serves average for the not-so-smart, not-so-heavy people who weigh under 130-230 lbs. However, it is not for chubby people with weights above 230 lbs.
Saatva Classic
Saatva's #1 bestseller · Euro pillow top · 3 firmness · 365-night trial · Lifetime warranty. Saatva is one of the few mattress brands to pair a multi-hundred-night home trial with a lifetime-scale warranty.
- Price: From $1,174 (Twin)
- Free white-glove delivery & old-mattress removal (US)
- 365-night home trial on mattresses
- ID.me discount for military, veterans, first responders, teachers, seniors
- GREENGUARD Gold certified construction
Affiliate disclosure: we may earn a commission from this link at no extra cost to you.
Breathability and Heat Transfer
Sapphire dream mattress is rated copious for controlling the temperature of the mattress. Sapphire dream mattress is a solution for hot sleepers who constantly feel hot all night.
The memory foam layer of the Sapphire dream mattress is suffused with the graphite responsible for telling the limit of heat the foam can absorb. Its memory foam layer has a grid-like support structure that provides an open space for the body heat and warmth to pass through.
The innerspring coils create oxygenating and airing ventilation without letting the mattress go hot. Even if the sleeper gets to sweat during the night, the Tencel material used in the cover will swiftly absorb the moisture, and the fiber will help to evaporate the heat.
Hence, the Sapphire mattress is quite airy, breathable, and a master when it comes to regulating the temperature.
Durability
This memory foam mattress is highly durable with great longevity. So, it will be a good exchange in return for your money. It has a chic, individually wrapped system exclusively made with superior-grade steel.
The Sapphire dream mattress has pocketed coils around the corner, providing sleepers with sturdy edge support.
What is Sapphire Cool Phase Hybrid Made of?
Following are the constituent elements with which Sapphire plush mattress is made:
Mattress Cover: The mattress cover has Tencel Lyocell's penetrable layer and the underlying comfort layers.
Top Layer: Top layer of the Sapphire mattress has a layer of graphite-infused memory foam.
Inner Layer: The inner layer is made with polyfoam, and the perimeter of the individually wrapped coils also lies beneath to provide perfect edge support.
Is Sapphire Cool Phase Hybrid Flippable?
Sapphire dream mattress is not flippable. However, it is better to rotate your mattress after using it for over 6 months. This will tend to increase the longevity of the mattress.
Does Sapphire Cool Phase Hybrid Come in a Box?
Yes, the Sapphire dream mattress comes in a box that will ship to your doorstep.
Is Sapphire Cool Phase Hybrid Usable With an Adjustable Bed?
You can use this mattress with any bed, which is quite amazing. It is all due to an extra foam layer that keeps all the other layers and coils intact.
Is Sapphire Cool Phase Hybrid Made in the USA?
The Sapphire dream hybrid mattress comes in three hybrid foams and is sold by the US Company. This company is based in Michigan. Not only this, but its Certi-PUR US-certified memory foam is a cherry on top.
Price Range
Below is the price range:
| Size | Dimension | Price |
| Twin | 39 x 75 | $1,899 |
| Twin XL | 39 x 80 | $1,899 |
| Full | 54 x 75 | $1,949 |
| Queen | 60 x 80 | $1,999 |
| King | 76 x 80 | $2,599 |
| California King | 72 x 84 | $2,599 |
The Trial, Shipping, and Warranty
Following are its trial, shipping, and warranty options.
- 101-NIGHT SLEEP TRIAL: Sapphire dream mattress offers a huge 120-night sleep trial convenience option. The first month is a tryout period. After this, you can take, return or exchange the mattress according to your will.
- SHIPPING POLICY: US Mattress Company offers its customers with free shipping of Sapphire dream mattresses. The mattress arrives at your doorstep within a week, which is quick.
- WARRANTY: Sapphire offers a 10-year (non-prorated) warranty.
Our Verdict
Sapphire's dream mattress is undoubtedly good to go for a mattress for all the side or hot sleepers lying out there. Its price range is budget-friendly, and its performance is above average.
But if you are seeking something extraordinary, you should opt for Saatva. Saatva Classic Hybrid not only has a lifespan and 365-night trial warranty but also shows perfect performance.
Try Saatva risk-free →
- Mattress Finder Quiz - Find your perfect mattress in 60 seconds
- Mattress Size Guide - Visual size comparison and room requirements
- Mattress Age Calculator - Should you replace your mattress?
- Return Policy Comparison - 20 brands compared
Sapphire Sleep: 2026 Update and Honest Assessment
Sapphire Sleep has positioned itself as a mid-range mattress brand offering hybrid and memory foam options with a focus on cooling technology. As of 2026, the brand continues to sell primarily through its own website and select retail partners, with Queen sizes typically ranging from $899 to $1,299 depending on the model. Sapphire Sleep offers a 120-night trial period and a 10-year limited warranty.
Customer feedback on Sapphire Sleep mattresses is mixed but generally positive. Buyers frequently praise the initial comfort and pressure relief, particularly for side sleepers who appreciate the contouring memory foam layers. The cooling gel infusion receives moderate marks - some sleepers report noticeable temperature regulation, while others say it falls short of expectations during warm months. A recurring complaint involves edge support, with several reviewers noting significant compression when sitting or sleeping near the mattress perimeter. Durability concerns surface in reviews beyond the 18-month mark, with some owners reporting body impressions and sagging.
Delivery is standard ground shipping, meaning you will need to handle setup yourself. The mattress arrives compressed in a box and requires 24–48 hours to fully expand. Customer service response times have received criticism, with some buyers waiting several days for replies to warranty inquiries.
When compared to the Saatva Classic at $1,779 for a Queen, the differences become clear. Saatva provides a 365-night trial - three times longer than Sapphire Sleep - along with a lifetime warranty that dwarfs the 10-year coverage. Saatva also includes free white-glove delivery and old mattress removal, a service Sapphire Sleep does not offer. The Saatva Classic features a coil-on-coil construction with a Euro pillow top, delivering superior edge support and long-term durability that budget and mid-range brands struggle to match. For shoppers weighing upfront savings against long-term value, the Saatva Classic consistently delivers a more complete package.
Our Top Recommendation
Saatva Classic
3 firmness options · 365-night trial · Free white-glove delivery & setup
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One last thing
Still reading? The Saatva Classic is where most people land.
Mainstream luxury hybrid at $1,779 queen, zoned lumbar coil, 3 firmness options, 365-night home trial, lifetime warranty, free white-glove delivery + old-mattress removal.