We purchased a Sealy mattress in December 2024. By June 2025 — less than six months later — the mattress completely failed. The side coils collapsed and bulged four inches beyond the edge support, making the bed unusable and extremely uncomfortable.
When we filed a warranty claim, Sealy denied it. Their representative claimed the issue was due to an “improper foundation.” The problem? We were using a rigid Simmons steel grid foundation with 3” x 3” welded steel supports — a flat, level, industry-standard base that meets or exceeds Sealy’s own published warranty requirements. There is no sagging, no bowing, no broken slats. The failure was purely internal coil breakdown, unrelated to any base or frame issue.
When I appealed and pointed out that their own warranty language does not exclude this type of foundation — and that a rigid base cannot physically cause lateral coil collapse — Sealy still refused to honor the warranty. Instead, they offered me a “special deal” to buy a new mattress and foundation directly from them at 50% off retail… meaning I would have to spend even more money with the company that sold me a defective product in the first place.
To summarize: • Mattress failed within 6 months of light adult use. • Warranty claim denied on a technicality that doesn’t even apply. • Sealy ignored both the warranty’s wording and basic physics. • Their “solution” was a sales pitch, not accountability.
I’ve owned many mattresses over the years, and this is by far the worst experience I’ve ever had. Buyers deserve to know: Sealy does not stand behind its products. A mattress that collapses in under half a year should be a clear warranty replacement — instead, Sealy blamed the customer.
If you are considering Sealy, think twice. Look at Simmons, Serta, or Tempur-Pedic instead. And if you’ve had similar issues, file with the Better Business Bureau and Consumer Affairs so others can see...
Read moreGo to the store and test the mattresses, but buy directly from the retailer. Two years ago my fiancé and I purchased a Purple 2 hybrid mattress. We were very interested in Purple and loved that this store carried samples. I don’t recall the name of our salesperson but he was very professional and took his time to explain the financing to us. The only thing I wish that someone would have mentioned to me at the time was to purchase a mattress protector, as this is key to helping you if you need to file a warranty claim. I say this because I didn’t know this, and my mattress is sagging already after 2 years and I can’t get a replacement under the 10-year warranty because my mattress has stains, due to the fact that I didn’t have a mattress protector because it was not mentioned to me. While I understand this is a classic case of “read the fine print”, I feel this is a major item that should be explained to customers, especially when you’re spending $1,000 on a mattress. And if the realization of not getting a replacement mattress wasn’t bad enough, the customer care team included a 20% off coupon in my warranty claim rejection email that is valid on most items, except for a Purple mattress. The whole ordeal is quite distressing because quality sleep is important to me, and I’m incredibly disappointed with the lack of care and empathy in the response I got. I’ve accepted that there’s nothing further I can do and that I will have to deal with a sagging mattress until I can afford to purchase a new one, but I will not be purchasing from Mattress firm again given how this...
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