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Sealy

A Sealy Posturepedic mattress is designed to support you from head to toe, delivering truly best-in-class sleep. Crafted to provide genuine, targeted support you can feel, paired with the deep comfort you deserve. Trustworthy, resilient and durable, every Sealy Posturepedic mattress is made to deliver restful nights, year after year.

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Rated 4.8/5 “Excellent” by 65,971 verified customers on Trustpilot – free next day delivery, a 60-night sleep trial and two million happy sleepers. Read our reviews
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About the Brand
★ 4.69 brand rating

Sealy is famous for its award-winning mattresses, crafted through 20 years of collaboration with the International Orthopaedic Advisory Board. Featuring innovative technologies like the AlignSupport® Coil System and memory foam, Sealy ensures targeted support and comfort for a restful night’s sleep for every type of sleeper.

Explore Sealy

Shop Sealy by range

Every Sealy range we stock, each with its own page.

Ranges

Award-Winning Sealy Mattresses

The Sealy Posturepedic Elevate Ultra Turing mattress has been Good Housekeeping Institute approved for three years running and won ‘Bed Product of the Year’ at the National Bed Federation Awards 2022-2023.

Which Mattress Firmness is Right for Me?

Soft tension – Best for lighter side sleepers who benefit from contouring support at the hips and shoulders.

Medium tension – Ideal for side sleepers needing balanced cushioning and spinal alignment.

Medium firm tension – Versatile for combination sleepers, offering side support, back, and stomach positions.

Firm tension – Recommended for back and stomach sleepers seeking pressure relief and proper spinal alignment.

Extra firm tension – Suited for those with back pain or joint discomfort needing maximum support.

Sealy Mattress Technology

Patented AlignSupport® Coil System

Sealy’s AlignSupport® spring technology is a patented sense and respond system. It begins by sensing your body shape as you settle in, then provides deep-down support from the core of the coil to evenly distribute your weight. Twice-tempered for durability, AlignSupport® ensures dependable comfort and resilience, night after night.

Pocket Springs

Individually wrapped springs offer targeted support and motion isolation, perfect for couples.

MemorySense® Foam

Combines pressure-relieving memory foam with Sealy’s spring systems for body-contouring comfort.

Latex

Breathable, hypoallergenic latex provides cooling comfort and natural resistance to dust mites.

Geltex®

Infused with gel and air-permeable foam for cooling airflow and a firmer, supportive sleep surface.

Expertly Designed with Orthopaedic Input

Sealy has collaborated with the International Orthopaedic Advisory Board for nearly two decades, combining medical insight, biomechanical engineering, and scientific research to shape every Sealy mattress.

Natural & Fibre Fillings

Choose from temperature-regulating natural wool or hypoallergenic fibre fillings to suit your comfort and allergy needs.

Sealy Mattress Sizes

Available in single, double, king, super king, and zip & link options, all designed to pair perfectly with divan bases.

Shop Sealy at Mattressman

Enjoy free next-working-day delivery (T&Cs apply) on in-stock Sealy mattresses, plus our 60-night sleep trial when purchased with a mattress protector (T&Cs apply).

Frequently asked questions

What is the firmness level of the Sealy mattress for side sleepers?
Medium tension is ideal for side sleepers needing balanced cushioning and spinal alignment.
What technology does Sealy use for support in their mattresses?
Sealy’s AlignSupport® spring technology is a patented sense and respond system that provides deep-down support from the core of the coil to evenly distribute your weight.
What materials are used in Sealy mattresses for comfort?
Sealy mattresses combine pressure-relieving memory foam, breathable hypoallergenic latex, and Geltex® infused foam for cooling airflow and a firmer, supportive sleep surface.
What sizes are available for Sealy mattresses?
Sealy mattresses are available in single, double, king, super king, and zip and link options.
Who has Sealy collaborated with to design their mattresses?
Sealy has collaborated with the International Orthopaedic Advisory Board for nearly two decades to shape every Sealy mattress.
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