
The Science of Better Sleep
Serta Mattress Technology
Every Serta mattress is engineered around real sleep science. From advanced cooling systems to individually wrapped coils, our proprietary technologies are designed to solve the five most common sleep problems reported by Americans — so you wake up feeling genuinely restored.
Proprietary Engineering
Three Technologies. One Superior Sleep.
Serta invests heavily in developing sleep technologies that are not available in generic or private-label mattresses. Each innovation targets a specific, measurable aspect of sleep quality.
Reactex® Cooling System
15× More Cooling Power
The Reactex® System is Serta's most advanced thermal management technology. Unlike standard cool-to-the-touch covers that simply feel cold for a few minutes, Reactex® actively pulls heat away from your body throughout the entire night. The multi-layer system combines a phase-change material cover, a conductive foam layer, and a ventilated support base to create a continuous path for heat dissipation. Independent testing confirms it delivers 15 times more cooling power than standard memory foam mattresses — keeping your core sleep temperature in the optimal 65–68°F range that sleep scientists identify as ideal for deep, restorative sleep.
- Phase-change material cover
- Conductive foam transitional layer
- Ventilated airflow base
- 15× cooling vs. standard foam

HexCloud™ Gel Memory Foam
Pressure Relief Reimagined
Traditional memory foam creates a uniform surface that can build pressure on bony prominences like hips and shoulders. HexCloud™ Gel Memory Foam solves this with a patent-pending hexagonal cutout geometry that creates independent micro-zones of compression. Each hexagon compresses individually in response to your body's unique pressure map, delivering targeted relief exactly where your joints need it most. The infused gel component further absorbs and redistributes body heat, preventing the trapped warmth that has long been the primary complaint against memory foam mattresses. The result is contouring comfort that feels genuinely supportive rather than simply soft.
- Hexagonal cutout micro-zones
- Targeted hip and shoulder relief
- Gel infusion for heat redistribution
- Pressure-mapping responsive

1000 Edition Custom Support™
Edge-to-Edge Stability
A mattress is only as good as its support core. Serta's 1000 Edition Custom Support™ coil system features hundreds of individually wrapped coils — each encased in its own fabric pocket so it responds independently of its neighbors. This design has two critical benefits. First, it provides true edge-to-edge support so the surface area you sleep on is uniform from center to border, eliminating the roll-off effect that shortens mattress lifespan. Second, because each coil moves independently, motion from one side of the bed does not transfer to the other — a clinically significant benefit for couples with different sleep schedules or movement patterns. The coil count and gauge are calibrated per mattress model to match the intended firmness profile.
- Individually wrapped pocket coils
- Edge-to-edge perimeter support
- Minimal motion transfer
- Model-calibrated coil gauge

Evidence-Based Design
5 Common Sleep Problems. 5 Serta Solutions.
Serta's engineering team works backward from the most frequently reported sleep complaints to design technologies that address root causes — not symptoms.
Tossing and Turning
The root cause of tossing and turning is almost always pressure buildup. When a mattress creates concentrated pressure on your hips, shoulders, or lower back, your nervous system triggers a positional shift to relieve the discomfort — often without fully waking you.
HexCloud™ Gel Memory Foam's hexagonal micro-zone geometry distributes your body weight across a larger surface area, eliminating the pressure peaks that force positional changes. Clinical sleep studies show that reducing pressure by even 20% can cut nighttime movements in half.
Back Pain & Lack of Support
Back pain from sleeping is a spinal alignment problem. When a mattress is too soft, the lumbar region sinks below the neutral spine position. When it is too firm, there is no contouring at the hips and shoulders, forcing the lumbar into hyperextension.
Serta's 1000 Edition Custom Support™ coil system provides a firm, responsive foundation that holds the spine in alignment, while the comfort layers above contour to the body's curves. This combination — often called the 'support-comfort duality' — is what orthopedic sleep specialists recommend for back pain relief.
Sleeping Too Hot
The human body needs to drop its core temperature by approximately 1–2°F to initiate sleep and maintain the deep, slow-wave stages. Traditional memory foam, while excellent at pressure relief, traps body heat within its closed-cell structure, actively working against this natural cooling process.
The Reactex® System creates a thermal gradient that pulls heat away from the body rather than simply feeling cool at the surface. The phase-change material stores heat energy and releases it away from the body, while ventilated channels ensure warm air is continuously expelled from the mattress interior.
Partner Movement Disturbance
Interconnected support systems — including traditional Bonnell coil springs — transfer motion across the mattress surface because each coil is physically linked to its neighbors. A partner shifting position at 3am becomes a wave of movement felt across the entire sleeping surface.
Because every coil in the 1000 Edition Custom Support™ system is individually wrapped in its own fabric pocket, each coil compresses and extends independently. Motion from one zone of the mattress stays in that zone. There is no mechanical pathway for movement to travel from one side to the other.
Mattress Sagging & Roll-Off
Sagging begins at the edges. Most mattresses use a softer, lower-density foam perimeter that compresses quickly under the repeated stress of getting in and out of bed. Once the edges compress, the entire mattress begins to develop a bowl-shaped sag that shortens usable lifespan dramatically.
The 1000 Edition coil system extends fully to the mattress border, meaning the same high-gauge, individually wrapped coils that support the center provide identical resistance at the edge. Serta also reinforces perimeter foam density, giving sleepers the full usable width of the mattress and protecting the structure long-term.
Safety & Standards
CertiPUR-US® Certified Foams
All foam used in Serta mattresses is CertiPUR-US® certified — an independent, not-for-profit program that tests and certifies flexible polyurethane foams used in bedding and upholstered furniture. Certification is rigorous and ongoing: foams must be tested at least annually at accredited labs and meet strict standards across multiple hazard categories.
For consumers, CertiPUR-US® certification means independent verification that the foam inside your Serta mattress has been tested for over 400 chemical substances — not simply self-certified by the manufacturer. When you purchase a Serta mattress, you can request the certification documentation for any specific model.
Official Standard
"Made without ozone depleters, PBDEs, TDCPP or TCEP flame retardants, mercury, lead, and other heavy metals, formaldehyde, or phthalates regulated by the CPSC."
— CertiPUR-US® Program Standard
No Ozone Depleters
Manufactured without CFCs or HCFCs that damage the ozone layer.
No Harmful Flame Retardants
Free from PBDEs, TDCPP, and TCEP — chemicals linked to endocrine disruption.
No Heavy Metals
Mercury, lead, and other regulated heavy metals are absent from all foam components.
No Formaldehyde
Formaldehyde is not used as a binding or processing agent in any Serta foam.
Low VOC Emissions
Emissions tested to ensure healthy indoor air quality in your bedroom.
Annual Third-Party Testing
CertiPUR-US® requires recertification at accredited independent laboratories every year.
Experience the Difference
Technology You Can Sleep On
Every Serta mattress combines these proprietary technologies into a sleep system engineered for real, measurable comfort improvements. Browse the full range on Amazon and find the model matched to your specific sleep profile.
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