Mattress Indentations

From Larry –
In 2007 we replaced our old Rip Van Winkle mattress (after 30 yrs) with a new Stearns & Foster Daylesford mattress, California King size. The old mattress had developed hollows where we slept and we were waking up with back aches.

After less than two years our new Stearns & foster has developed the same hollows and we are again waking up with back aches.  MY wife one night slept with her head at the foot of the bed and didn’t have a back ache upon wakening.

Why would a top of the line mattress develop hollows in less than two years?

We had originally bought a Sealy but found the foam was so soft that if trying to get to the other side of the bed you had to climb over a mountain caused by the hollow left after lying on it for a short time, and it was too soft.  We bought the Stearns & foster as it was firmer and didn’t form such a deep hollow. We also bought new box springs with the mattress.

I really don’t want to spend another $1,200 for another new mattress, what can we do?

Hi Larry,
Indentations are common place in mattresses today.  Mattresses are designed to contour to the body and are not supposed to remain flat any longer.  By contouring to the body the mattress is providing better support kind of like a pair of shoes.  If the indentation is beyond 1.5″ inches deep though, the manufacturer can replace it under warranty.

If you believe it is deep enough to replace I would contact the retailer you purchased if from.  They can send someone out to do an inspection.  If that retailer is no longer in business you can contact Stearns and Foster directly at 1-866-233-3464.


  1. “Indentations are common place in mattresses today… By contouring to the body the mattress is providing better support kind of like a pair of shoes”

    This is such a joke. We bough a new Seally Posturepetic Reserve and the indentations came in 2 weeks. The pain is pretty much unbearable. My Chiropractor has even noticed the changes for the worse on my body. She could not understand what was happening to me until I told her about the bed

    I just don’t understand how the mattress companies can say sleeping in a “canoe” is better for support.- It’s pretty much a nightmare.


  2. The indentations in my Sealy Posturepedic king are unbearable after two years. But Sealy won’t warrant the mattress because the indentations are not apparent unless you are in the bed. My wife and I sag about 6 inches into the bed where we normally sleep. If I lay down in the centerline of the bed (the relatively unused portion), the sag is only about 2 inches. This was a $2,200 mattress and 20 months later I’m having to replace it. We both have chronic back pain now. I can’t believe this is happening.


  3. According to the IBC warranty for the Dr. Breus bed, indentations greater than 1.5 inches are NOT covered by the warranty:

    “IBC reserves the right to refuse service and invalidate this warranty when, upon inspection, the sleep set is found to be in an unsanitary condition or when the product failure is due to causes other than defective workmanship or materials. Your warranty will not cover the following: […]

    8. Body impressions greater than 1.5” (Note, body impressions greater than 1.5” in all sleeping areas are not considered a manufacturing defect. They are caused by the natural compression and settling of quality upholstery materials. They are simply an indication that the upholstery layers are conforming to your body’s individual contours.”

    This is a shame, because after 7 months, this bed is extremely uncomfortable. I prefer to sleep on the couch now.


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