75/ 100
C
OverallD67/100
Simmons Deep Sleep Collection Mattress

Simmons · Mattresses

Simmons Deep Sleep Collection Mattress

C · Moderate

Conventional mattress with no known PFAS treatments, but brand makes no public disclosure, lower concern than stain-treated bedding.

Verdict: BuyStandard foam-coil mattress with no established hazard records; silent PFAS stance is unremarkable for conventional mattresses; safe for typical use with routine care.

Simmons Deep Sleep Collection is a traditional foam and coil mattress without disclosed PFAS-containing coatings or treatments. No public claims about PFAS, no third-party certifications found. Standard mattress construction poses lower PFAS risk than water- or stain-resistant bedding, though lack of transparency limits confidence.

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Material

foam, fabric, steel coils (standard mattress construction)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

furniture is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

Simmons Deep Sleep uses polyurethane foam, woven fabric, and steel coil springs, the industry standard since the 1970s. Polyurethane foam does off-gas volatile organic compounds (VOCs) during the first weeks after purchase, but at levels below regulatory concern for most users. The steel coils are zinc-coated to prevent rust, and the fabric cover is typically a cotton-polyester blend; neither poses known acute hazards at normal bedroom temperatures.

The brand's record and disclosure

Simmons (now part of Serta Simmons Bedding) makes no public commitment to PFAS avoidance or third-party testing transparency. The brand carries Certipur-US certification on many models, which screens for formaldehyde, ozone depletion, flame retardants, and phthalates in foam but does not address PFAS. No major recalls or safety controversies are on record for the Deep Sleep line.

How it compares in its category

This is a mass-market innerspring-foam hybrid at a mid-range price point. It lacks eco-certifications (organic, Global Organic Textile Standard) that brands like Avocado or Naturepedic market, but also avoids premium markup. Compared to memory foam only or latex-only mattresses, it presents similar or lower off-gassing risk due to lower total polyurethane density.

If you buy it

Air out the mattress in a well-ventilated room for 48 hours after delivery to reduce initial VOC exposure. Encase it in a washable cover if you have chemical sensitivity. Rotate the mattress every 3 months to even wear and extend lifespan beyond the typical 7-10 years. Do not expose to direct heat (space heaters, sunlight for prolonged periods) as this can accelerate foam degradation.

Beyond PFAS: other things we checked

Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”

Possible

Volatile organic compounds (VOC) off-gassing

Polyurethane foam mattresses release VOCs (toluene, methylene diphenyl diisocyanate residues) in the first 1-4 weeks, especially in warm, poorly ventilated rooms. Intensity varies by foam quality; Certipur-US certification limits but does not eliminate this. Reported symptoms in sensitive individuals are mild (headache, odor annoyance) rather than systemic.

None known

Formaldehyde in adhesives and fabric finishes

Certipur-US certification and standard industry practice exclude intentional formaldehyde use in foam. Fabric dyes and finishes on the cover may contain trace formaldehyde releasers, but no product-specific reports exist for Simmons Deep Sleep.

None known

Flame retardant residues

US law requires mattress fire barriers (typically fiberglass or treated fabric layers), but Certipur-US certified foams exclude brominated and chlorinated flame retardants. Simmons Deep Sleep models carry this certification, indicating compliance with these restrictions.

Possible

Microplastic and fiber shedding

Polyester components in the cover and any synthetic batting can shed fibers over years of use, especially with surface abrasion or dry cleaning. This is not unique to Simmons and poses negligible inhalation risk during normal sleeping; concern is mainly environmental at end-of-life.

None known

Metal leaching (zinc from coil coating)

Steel coils are zinc-coated for corrosion resistance and do not leach into the foam or fabric under normal use. Moisture and sweat exposure do not create conditions for significant zinc migration in a mattress context.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 65% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

Safer alternatives in Mattresses

Avocado Organic Hybrid Mattress

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organic cotton, natural latex, wool, innerspring coils

A
B
PFASAll
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Lower PFAS concern, natural materials without stain treatments, but brand doesn't explicitly address PFAS.

Global Organic Textile Standard (GOTS)Made Safe Certified

Verified PFAS-free by a third party

Avocado Organic Wool Mattress

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organic wool, organic cotton, natural latex

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Lower PFAS concern; organic/natural core materials with no reported chemical treatments typical for this category.

GOTS (Global Organic Textile Standard)MADE SAFE

Verified PFAS-free by a third party

Avocado Vegan Mattress

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Vegan Mattress

organic cotton, natural latex, coconut coir, recycled steel coils

A
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PFASAll
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Lower-concern choice; vegan mattress avoids PFAS-prone synthetic foams and polyurethane, backed by credible third-party seals.

MADE SAFE CertifiedGlobal Organic Textile Standard (GOTS)OEKO-TEX Standard 100

Verified PFAS-free by a third party

More mattresses grades

How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.