
Sleep Number and Tempur-Pedic are two of the most popular premium mattress brands on the market. Despite this, they are quite different and cater to different preferences. Sleep Number mattresses offer adjustable firmness thanks to their air chambers, while Tempur-Pedic mattresses do not have this feature. Tempur-Pedic mattresses are constructed from slow-moving memory foam, which provides impressive pressure relief and comfort. Sleep Number mattresses, on the other hand, are great for those who want to customise the firmness of their mattress. They also work well for couples with different firmness preferences, as each side of the bed can be adjusted independently.
| Characteristics | Values |
|---|---|
| Main difference | Sleep Number mattresses have adjustable firmness, Tempur-Pedic does not |
| Mattress type | Sleep Number: air chambers at the bottom; Tempur-Pedic: memory foam |
| Suitability | Sleep Number: good for couples with different preferences; Tempur-Pedic: good for side sleepers |
| Heat | Sleep Number p5 and Tempur-Cloud trap body heat; Tempur-Breeze has cooling infusions |
| Motion isolation | Both mattresses are good for motion isolation |
| Price | Tempur-Pedic is notoriously expensive |
| Sleep tracking | Sleep Number includes sleep data tracking |
| Smart technology | Sleep Number has SleepIQ; Tempur-Pedic has Sleeptracker |
| Adjustable bases | Sleep Number: 3 bases ranging from $1,199 to $2,399; Tempur-Pedic: 4 bases ranging from $849 to $2,199 |
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Firmness adjustability
The Sleep Number mattress offers adjustable firmness, which is its unique selling point. The mattress has air chambers at the bottom that allow sleepers to change the firmness level on each side of the bed. This is ideal for couples who have different firmness preferences. The Sleep Number mattress also has auto-adjusting firmness, which means that it automatically adjusts the firmness in response to your movements. Sleep Number's top-end adjustable base, the FlexFit 3, has a foot-warming feature.
The Sleep Number 360° c4 is one of the brand's more affordable beds, which comes with adjustable firmness and smart technology. The mattress has an adjustable air chamber that you can tweak from soft to firm and it also automatically adjusts based on your movements. The gel-infused polyfoam layer in the Sleep Number is designed to generate pressure relief along the head, neck, back, and hips.
The Tempur-Pedic mattress, on the other hand, does not offer adjustable firmness. However, Tempur-Pedic does offer mattresses pre-constructed in varying firmness levels. The Soft model of the Tempur-Pedic received a 5 out of 10 firmness rating. The Tempur-Pedic mattress provides incomparable pressure relief, thanks to its specialized, proprietary memory foam. The material moulds to the shape of your body as you sleep and provides both comfort and the necessary support to keep you in alignment. The Tempur-Pedic mattress also has a cooling cover and several proprietary cooling infusions. The ProBreeze and LuxeBreeze models feel 3 degrees and 8 degrees cooler than the normal Tempur-Adapt mattress, respectively.
The Sleep Number mattress is ideal for those who want to customize the firmness of their mattress, while the Tempur-Pedic mattress is better suited for those who love the feel of memory foam.
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Temperature regulation
When it comes to temperature regulation, Sleep Number and Tempur-Pedic mattresses have different approaches. Sleep Number mattresses utilise adjustable air chambers to allow for customised firmness levels, which can impact the sleeping temperature. The Sleep Number 360® c4, in particular, has a thinner foam layer, which contributes to its cooling properties. This model is considered to have similar temperature regulation and cooling capabilities as the Tempur-Pedic mattress.
On the other hand, Tempur-Pedic mattresses are known for their memory foam construction, which can sometimes retain heat. To address this, Tempur-Pedic incorporates cooling technologies into their mattresses. For instance, the ProBreeze model offers a hybrid version with coils that allow for increased airflow, promoting a cooler sleep experience. Additionally, the SmartClimate® Cover is a removable and machine-washable cover designed to draw heat away from the body, enhancing breathability and airflow within the mattress.
While both mattress brands offer temperature regulation features, personal preferences and sleeping habits may influence which brand is better suited to an individual's needs. For example, the Sleep Number mattress with its adjustable air chambers may be preferable for those who like the feel of an air mattress, while the Tempur-Pedic mattress with its memory foam construction could be ideal for those who appreciate the contouring and pressure-relieving qualities of memory foam.
It is worth noting that the Sleep Number mattress has been criticised for its thinner design, which may not provide as much cushioning as desired. Conversely, the Tempur-Pedic mattress, particularly the TEMPUR-LuxeAdapt®, offers robust foam layers that provide superior pressure relief. However, the slow-moving memory foam of the Tempur-Pedic mattress may not be ideal for sexually active couples or combination sleepers due to its lack of responsiveness.
Ultimately, the decision between Sleep Number and Tempur-Pedic mattresses depends on individual preferences for temperature regulation, sleeping habits, and other factors such as firmness, responsiveness, and pressure relief.
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Motion isolation
The Tempur-Pedic mattress is widely recognised for its superior motion isolation. The memory foam used in Tempur-Pedic mattresses absorbs virtually all movement, preventing motion disturbances for those who share a bed with a partner. One user commented, "I can't even tell if my husband turns over or gets out of bed". The Tempur-Pedic mattress is a single uniform piece, meaning there is no sinking down in the middle of the bed, which can occur with the Sleep Number mattress.
The Sleep Number mattress also has good motion isolation, especially on larger beds with dual air chambers. Sleepers can personalise their firmness on each side with two separate mattresses, so motion transfer is almost non-existent. However, some sleepers have found that they gradually roll towards the centre of the mattress if they’re on the inner edge of the air chamber. Sleep Number beds are also adjustable, allowing sleepers to change the firmness level on each side of the mattress, which is not possible with the Tempur-Pedic mattress.
While the Sleep Number 360° c4 and the Tempur-LuxeAdapt® mattresses performed equally in temperature regulation and cooling properties, the Tempur-LuxeAdapt® provides over-the-top contouring support that the brand claims is 30% more powerful than its other foam models. The Sleep Number 360° c4, on the other hand, offers adjustable firmness and smart technology at a more affordable price point.
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Price
When it comes to price, Sleep Number and Tempur-Pedic mattresses are in a similar range, often depending on the specific model and size. For example, the Sleep Number i8 is priced from $3,399 to $5,799 (without a base), while the Tempur-Pedic ProAdapt retails for between $2,899 and $5,798, depending on the mattress size. The Sleep Number 360® c4 is one of Sleep Number's more affordable options, offering premium features like adjustable firmness and smart technology. On the other hand, the TEMPUR-LuxeAdapt® is one of Tempur-Pedic's highest-end models, with a higher price point for its advanced contouring support.
The Sleep Number p5 Smart Bed and the Tempur-Cloud mattress are also similarly priced, with a queen-size mattress costing about $2,000. The Sleep Number p5 Smart Bed offers adjustable firmness, while the Tempur-Cloud mattress has a classic medium-firm feel.
For those seeking a more affordable option, Tempur-Pedic offers the Tempur-Adapt mattress, which ranges from $1,699 to $3,998. This mattress provides a medium-firm feel and is also available as a hybrid mattress.
It's worth noting that Sleep Number offers a full refund for authorized returns, excluding any return or pickup fees. Tempur-Pedic, on the other hand, requires customers to try their mattress for at least 30 days before initiating a return within the 90-day trial period. The refund will be issued minus any shipping charges.
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Durability
When it comes to durability, there are a few factors to consider when comparing the Sleep Number and Tempur-Pedic mattresses. Both mattresses are made with high-quality materials and are expected to last a long time. That being said, there are some key differences in their construction and performance that can impact their durability over time.
Firstly, Sleep Number mattresses are designed with adjustable air chambers that allow users to customize the firmness of the mattress to their liking. While this is a convenient feature, some users have reported that the adjustable air layer can sometimes deflate or sag in the middle, especially if one side is set to a significantly different firmness level than the other. Sleep Number mattresses are expected to last up to 10 years or more with proper care and maintenance.
On the other hand, Tempur-Pedic mattresses are made with specialized memory foam that contours to the body's shape and provides pressure point relief. This type of foam is known for its durability, and Tempur-Pedic's hybrid option includes spring coils that further enhance the mattress's durability, especially for heavier sleepers. The memory foam construction helps to prevent sagging over time. Tempur-Pedic mattresses are expected to last between 7 and 10 years.
In terms of edge support, the Sleep Number mattress has been praised for its excellent edge support due to its supportive air chambers. The Tempur-Pedic mattress also has decent edge support, but some users have reported feeling the sides collapse when sitting near the edge.
Additionally, it is worth noting that the Sleep Number mattress comes with a 100-day trial period, while the Tempur-Pedic mattress offers a 90-day trial period. Both companies provide warranties for their products, with Sleep Number offering a pickup fee of $249 and Tempur-Pedic providing a 10-year limited warranty that covers manufacturing defects and indentations over 0.75" in depth.
Overall, both the Sleep Number and Tempur-Pedic mattresses are designed to be durable and offer a long lifespan. However, the Sleep Number mattress may have a slight edge in terms of durability due to its adjustable firmness feature and longer expected lifespan. Nevertheless, the Tempur-Pedic mattress's memory foam construction and hybrid option also provide enhanced durability, especially for heavier sleepers.
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Frequently asked questions
Sleep Number mattresses have air chambers that allow sleepers to adjust the firmness level of their bed. Tempurpedic mattresses do not have this feature, but they do offer mattresses pre-constructed in varying firmness levels.
Sleep Number mattresses contain layers of foam for comfort. They also have embedded biometric sensors that can tell when you change positions in your sleep, so the air chambers can automatically adjust to keep you at your preferred firmness.
Tempurpedic mattresses contain slow-moving memory foam that moulds to the shape of your body as you sleep.
Sleep Number's p5 mattress has been criticised by customers for overheating due to its thick foam trapping body heat. However, the Sleep Number i8 contains extra ceramic-infused gel to draw excess heat from the body.
Tempurpedic mattresses are known to trap heat due to their foam material. However, the ProBreeze model features a hybrid version with foam on top of coils, allowing for more airflow.









































