Sleep Number Climate360 Smart Bed review 2026: The $10K bed that heats, cools and fights snoring

For most of us, dropping $10,000 on a mattress is, well, excessive — mind-blowing, even. In fact, 80% of high-end mattress buyers — folks who are used to dropping thousands on a mattress — describe that price tag as a “splurge.” And yet, as many as 60% of those big spenders prioritize technology, with temperature control and adjustable firmness high on their must-have list — two features the Sleep Number Climate360 Smart Bed delivers simultaneously, and independently, on both sides of the bed. Beyond that, this Rolls-Royce of the bedroom also promises better sleep with its sleep data tracking, built-in foot warmer, included adjustable bed base and more. At this point, if we learned it brewed the perfect cup of morning coffee, we wouldn’t even be surprised.

Of course, Sleep Number’s big claim to fame is its adjustable firmness — an actual “sleep number” with 20 firmness settings between 0 and 100. Air chambers in the bed allow for a nearly unmatched level of personalized comfort and support — and that’s a bigger deal than you might think. “Different sleep positions do better with specific mattress firmness to feel fully supported,” says Karena Wu, a board-certified specialist in orthopedic physical therapy.

Yahoo's Senior Operations Analyst Annie Villacis knows this firsthand: she sleeps mainly on her side, while her partner is a diehard back sleeper. But Villacis’ quest for customization goes beyond firmness.

“When one partner is freezing and the other is a human radiator, the bedroom can turn from a sanctuary into a source of resentment,” says Dr. Allie Buttarazzi, a double board-certified physician in lifestyle and internal medicine and cofounder of Maine Street Medical in Brunswick. Snoring can pile on the tension too. Villacis’ partner snores nightly — something 42% of women say keeps them up at night. It may help explain why more than a quarter of adults surveyed by the Better Sleep Council say they actually sleep better alone.

As Buttarazzi puts it, “If you start viewing your partner as the reason you’re exhausted, that friction doesn't stay in the bedroom — it follows you into your morning and your workday mood.” In that sense, the Sleep Number Climate360 Smart Bed is designed to help prevent sleep divorce.

For Villacis, the Climate360 addressed both these issues. When her partner’s snoring kicked in, she simply hit a button to activate the adjustable base's preset snore function — and, just like that, blissful quiet. "That usually helps his breathing and stops the snoring," she says. And the temperature gap? "Now we're able to use both the heat and the cold function simultaneously," she says.

But is the Sleep Number Climate360 Smart Bed truly worth five figures? Below, we break down the perks, drawbacks and who this ultra-high-tech mattress is actually best for based on our hands-on testing.

Annie Villacis

Sleep Number Climate360 smart bed

Mattress type: Smart air chamber | Available sizes: Queen, king, split king, flex top king, California king, split California king, flex top California king | Height options: 13" | Firmness options: 20 settings | Pillowtop: No | Weight limit: Up to 600 lbs. per sleeper | FSA/HSA Eligible: Yes, with a letter of medical | Trial period: 100 days | Warranty: 15 years

Pros

• 20 firmness settings
• Customizable temperature control on both sides
• Adjustable base with “no snore” feature included
• Responds to body movements

Cons

• Queen priced over $10,000 when not on sale
• $250 return fee
• Haul-away service costs extra ($100)
• Sleep Number technician required to move bed

$9,224 at Sleep Number

The delivery and setup

The Climate360’s hefty price tag includes what the brand calls premium home delivery, which entails:

• Bed and bed frame assembly

• Connecting the bed to Wi-Fi

• Inspection to ensure functionality

• Demonstration of the smart bed’s features

• Removal and recycling of packing materials

Villacis, for one, was grateful. “The whole setup was complex. The mattress needed to be connected to the adjustable base and the responsive air feature,” she said, adding the base itself has hydraulics she described as “intimidating.” Still, the process was quick and painless.

Villacis got a message about 15 minutes before her technicians arrived, and the bed was fully installed in under 30. They then helped her get started with the bed’s app, walking her through all the features so she felt comfortable navigating things on her own. While mattress disposal was not included (it costs $100 in most areas), Villacis opted for that service as well.

Before the delivery and setup team left, they told Villacis to contact them if she ever needed to move the Climate360 to help avoid damage. They also advised her to wait at least 12 hours before putting sheets on the bed to allow off-gassing odors to dissipate — a heads up she would’ve appreciated. “Luckily, we had our delivery in the morning, so by the time we were ready for bed, the suggested time had passed,” she said. Villacis did note, however, that it took 24 hours for the off-gassing smell to fully disappear.

Durability, materials, perceived firmness and shape retention

To evaluate the Sleep Number Climate360, we followed our standard mattress testing process, which looks at durability, materials, firmness, comfort and how well a mattress holds its shape over time.

Durability

A close look at materials, construction and how well the bed withstood setup and initial use pointed toward a durable, well-built mattress. Villacis noted the bed arrived "without flaws" and showed no signs of sagging, misshaping or wear after three months of use.

Sleep Number's broader track record also inspires confidence: of the 15 Sleep Number mattresses that have gone through Consumer Reports' eight years of simulated durability testing, 13 — about 87% — earned a perfect 5/5 durability score. The Climate360 has not yet been tested, but that's a strong foundation to build on. Plus, the bed comes with a 15-year limited warranty, indicating that Sleep Number expects the Climate360 to last longer than the average mattress, which usually tops out at around 10 years.

Materials

Sleep Number’s website is surprisingly vague about the materials used in the Climate360, and the customer service representative we contacted through the site’s chat didn’t provide much additional detail either. But here’s what we do know:

• CertiPUR-US® Certified: This means the memory and adaptive foam layers were screened to be free of harmful chemicals and emissions.
  

• Ceramic-infused foam: The brand says the comfort layers include ceramic-infused foam, which is often used in mattresses to help dissipate heat and improve temperature regulation. However, Sleep Number doesn’t provide additional details about the foam formulation or thickness besides noting that “the higher profile your mattress, the more foam support inside your mattress.”
  

• Responsive air chambers: Unlike traditional hybrid or foam mattresses, Sleep Number beds rely on adjustable air chambers as their primary support system. These chambers inflate or deflate to change firmness — the mechanism behind the brand’s signature “Sleep Number” settings. In practical terms, that means the mattress doesn’t rely on coils for support the way many luxury hybrids do. In addition, the air automatically adjusts when you first get in bed and continues to make small movements to keep you comfortable throughout the night.
  

• Active temperature control: Most “cooling” mattresses rely on passive cooling features like gels or breathable memory foam that may help limit heat buildup, but don’t actively regulate temperature. The Climate360, however, allows you to customize the temperature on either side of the bed independently — so one partner can sleep up to 15° cooler while the other sleeps up to 15° warmer.

  
  This is key, because “for optimal sleep onset, we actually need an initial period of mild warming at the skin surface to help trigger the drop in core body temperature needed to fall asleep,” says Shahab Haghayegh, an instructor at Harvard Medical School and researcher at Massachusetts General Hospital. “Passive mattress materials can't achieve this, but active systems can facilitate this warming-then-cooling cycle in a way that genuinely supports sleep physiology.”

Perceived firmness

The Sleep Number Climate360 features 20 firmness settings; the higher the number, the firmer the bed feels. At the highest setting, the bed feels comparable to an 8 or 9 on the typical 10-point mattress firmness scale, while the lowest settings feel closer to the softer end of that range.

Villacis and her partner sampled several Sleep Number settings over the first couple of nights. While there was “some trial and error,” they eventually settled on different firmness levels — firmer for him and a little softer for her. “I feel like I’ve found the best firmness for my everyday use,” she said.

Because the mattress relies on adjustable air chambers to control firmness, it also requires occasional recalibration. Villacis was advised to set the firmness level on both sides to 100 once a month for at least 12 hours to “reset” the responsive air technology feature. It’s not necessarily a drawback, but it does mean this Sleep Number smart bed requires slightly more hands-on upkeep than a traditional mattress.

Shape retention

After three months of nightly use — including regular position changes from two sleepers with very different sleep styles — the Climate360 showed no sagging or misshaping. For an air chamber-based bed, that's a meaningful early indicator.

Comfort level: The initial experience

Yahoo’s mattress testing process includes both initial and long-term feedback. To kick off testing, Villacis spent 10 minutes evaluating the mattress on her back, side and stomach. She also assessed key features, including edge support and response time.

From the start, Villacis found the Sleep Number Climate360 supportive and comfortable across all sleeping positions. She simply adjusted the firmness to her preference, ensuring her spine stayed aligned no matter what. She noted the air chambers did a particularly good job filling in the lumbar area while back sleeping — a nice bonus for anyone who wakes up with lower back stiffness.

Rolling over was easy (“no sinkage”). And while the mattress did “bounce a bit” when her partner moved, Villacis attributed the disturbance to the queen-size mattress they were on. “He’s a larger individual, so I feel his movements more in the space.”

*Ratings are listed from 1–5; 1 being terrible, 5 being the best

Comfort level: What ongoing testing revealed

All of Yahoo’s testers slept on their mattresses for at least two weeks in their own homes. But many, like Villacis, tested them for about three months, assessing how the mattresses performed night after night. She paid keen attention to overall comfort, sleep quality, morning soreness, temperature and motion transfer.

Villacis' sleep experience with the Climate360 only improved over time. The first couple of nights were an adjustment — they'd been sleeping on a Tempur-Pedic and had to get used to not having memory foam beneath them. But once they found their preferred firmness settings, she says, "we felt amazing." And after about two weeks, “we started sleeping better," a trajectory she credits to gradually mastering the bed's features. (Sleep Number notes it can take up to two weeks to find your ideal temperature, and keeping your bedroom at 68 degrees Fahrenheit or lower is ideal.)

Because Villacis runs cold while her partner sleeps hot, being able to use the heating and cooling functions simultaneously made a noticeable difference in her comfort. The adjustable base proved impressively versatile — "a little hospital bed-like," Villacis says, but in the best way possible: it doubled as a snoring fix when needed and made reading in bed genuinely comfortable.

Villacis also loved the under-bed light — bright enough to navigate in the dark, yet subtle enough not to wake your partner. The sleep tracking app was another standout. "It tells you a score out of 100 based on how you slept," she says, noting it tracks restlessness, heart rate and even when you exit the bed — individually for each partner.

By the end of testing, she felt refreshed and soreness-free. Her only real complaint? "I don't want to get out of bed because I'm so comfortable."

*Ratings are listed from 1–5; 1 being terrible, 5 being the best

What about customer service?

As part of the review process, our testers contact customer service with questions about returns and exchanges. Villacis started with the chat feature on the Sleep Number website, which initially routes customers through an AI agent before offering the option to connect with a live representative.

However, for more complex requests — such as exchanges or returns — Villacis was told she needed to speak with a customer service agent by phone. According to the company, verbal authorization is required for these requests because of the product’s high price point.

During that conversation, Villacis confirmed several key details about Sleep Number’s trial and return policy for the Climate360:

• 100-night in-home trial: The trial begins once the bed is delivered.

• 30-night break-in period: You must sleep on the mattress for at least 30 nights before initiating a return or exchange.

• $250 return pickup fee: Returns require a pickup service fee in most areas ($350 in extended service areas).

• Delivery fees are non-refundable: Shipping and delivery charges aren’t refunded if you return the mattress.

• One exchange only: If you exchange the mattress during the trial period, the replacement does not come with a new trial window.

The extra step of calling customer service didn’t create much friction. Villacis said the wait time was short, and when she connected with an agent, her account information automatically appeared based on her phone number, which helped streamline the process.

Annie Villacis

Who should buy the Sleep Number Climate360 mattress?

The Sleep Number Climate360 might be worth the money if ...

• You share your bed with a partner whose sleep needs differ from yours. Both sides of the mattress can be independently adjusted for firmness and temperature — no compromises necessary.
  

• You consistently sleep hot or cold. The Climate360 can cool or warm each side by up to 15° — a level of temperature control that's rare, and genuinely useful if standard cooling mattresses haven't solved the problem.

• You or your partner snores. The adjustable base's preset snore function can raise both sleepers' neck positions slightly to help open the airway — a simple, in-the-moment fix that doesn't require waking anyone up.
  

• You've got shoulder, back or joint pain. The bed's adjustable firmness means you can fine-tune your support level as your needs change

If you're still weighing the price, it’s worth noting that Sleep Number ranked highest for customer satisfaction in both online and retail mattress purchases in a 2025 U.S. Mattress Satisfaction Study of more than 1,700 recent buyers.

Still, this Sleep Number smart bed might be overkill if temperature regulation isn't a priority and you don't share the bed. All the tech may feel unnecessary — and hard to justify at this price. For shoppers who prefer low-tech designs or prioritize organic or natural materials, the Climate360's complexity may be a dealbreaker.

Still not sure? Consider these tips on how to choose the best mattress for you. Plus, learn when the best time to buy a mattress is.

$7,999 for a queen at Sleep Number

FAQs

What are the downsides of a Sleep Number smart bed?

Some of the most commonly cited downsides of Sleep Number smart beds include the dip, or “trench,” effect in the center of the mattress where the two air chambers meet — something couples sometimes find frustrating. Since the bed uses an air pump, you may also hear some mechanical noise when the mattress adjusts its firmness.

Because Sleep Number beds are more complex than a typical bed-in-a-box, the technology — including multiple components, hoses and electronics — may be susceptible to air leaks or technical glitches over time. It’s also worth noting that the premium price tag may extend beyond the initial purchase, since proprietary replacement parts can be expensive once the full-coverage portion of the warranty expires.

What is the life expectancy of a Sleep Number bed?

A Sleep Number bed is expected to last up to 15 years, as reflected in its 15-year limited warranty — longer than many traditional innerspring mattresses. Instead of replacing the entire mattress when one part wears out, you can swap out the specific air chamber, pump or foam topper that needs fixing. Because of its air-based support system, a Sleep Number is also less likely to suffer from the permanent sagging or deep body impressions that eventually affect many foam and coil-based beds.

Meet our experts

• Karena Wu, PT, board-certified clinical specialist in orthopedic physical therapy and the owner and clinical director of ActiveCare Physical Therapy in N.Y.C and Mumbai

• Allie Buttarazzi, MD, double board-certified physician in lifestyle and internal medicine and cofounder of Maine Street Medical in Brunswick

• Shahab Haghayegh, PhD, biomedical engineer and instructor at Harvard Medical School and researcher at Massachusetts General Hospital

Our health content is for informational purposes only and is not intended as professional medical advice. Consult a medical professional on questions about your health.