Sleepmax King Size Mattress Only $399.xx at Amazon

Updated August 28, 2026

What you’ll love about the Sleepmax King Size Mattress 14 Inch

• PAIN RELIEF & MOTION ISOLATION – Combining the supportive benefits of coils with the softness of premium foam, Sleepmax Mist helps align the spine, evenly distributes body weight, and relieves pressure points for deep…
• BALANCE OF COMFORT & SUPPORT – With a deluxe Euro top, pressure-relieving foam layers, and a durable base reinforced with pocketed coils, Sleepmax Mist delivers a just right feel that suits back, side, and combination…
• NON-TOXIC MATERIALS & SKIN-FRIENDLY – Sleepmax Mist is crafted using CertiPUR-US and OEKO-TEX Standard 100 certified materials, free from fiberglass and harmful substances. It complies with CFR1633 fire safety regulat…
• ENHANCED SAFETY & EXTENDED LIFESPAN – Built with sturdy edge support to prevent sagging and improve structure, Sleepmax Mist enhances safety by reducing the chance of roll-off during sleep. Reinforced edges also prote…
• ABOUT SLEEPMAX – With over 40 years of sleep innovation, Sleepmax includes a lifetime service agreement with every mattress-in-a-box purchase, reflecting our commitment to reliable quality and long-term customer care.

Amazon is offering the Sleepmax King Size Mattress 14 Inch, Cooling Pain Relief Hybrid Mattress for just $399.xx, down from $599.xx. That’s a solid 33% discount for anyone looking to upgrade their sleep surface.

Why this Sleepmax King Size Mattress deal stands out

• 14‑inch hybrid design blends foam and coils for balanced support and temperature regulation.
• Cooling technology helps reduce night sweats, ideal for hot sleepers.
• Pain‑relief layering targets pressure points, beneficial for back or joint discomfort.
• Typical retail price hovers around $600 making the $399.xx price a strong value.

How to grab the deal at Amazon

1. Verify the price shows $399.xx before adding to cart.
2. Proceed to checkout and select your shipping option.
3. Complete the purchase – the discount is applied automatically.

Savings tips & price context

Amazon often provides free shipping for Prime members, so you can avoid extra fees. Compare this price to brick‑and‑mortar mattress stores where a comparable hybrid mattress can cost $800.xx or more.

FAQ

Yes.

Does the mattress come with a warranty?

Sleepmax typically offers a 10‑year limited warranty on its hybrid mattresses (verify before buying).

Can I return the mattress if it doesn’t suit me?

Amazon’s standard return policy applies, usually allowing returns within 30 days for a full refund (verify the exact terms on the product page).

Take advantage of the Sleepmax King Size Mattress Amazon deal while it lasts and enjoy a cooler, more supportive night’s sleep. For more Amazon savings, check out our Amazon deals page.

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