HOW IT FEELS
- More lifted than cradled
- Stable, responsive support
- Easier position changes
BEST FIRM MATTRESS
Lifted support. Less sink.
Steady support with less sink, built to keep your body comfortably aligned.
Firmness
10/10
Soft
Firm
Available at checkout.
FIRM, EXPLAINED
Is a firm mattress right for you?
A firmer feel offers stable, responsive support with less sink, but the right choice still depends on your sleep position, body type, and comfort preference.
OFTEN WORKS WELL FOR
- Back and stomach sleepers
- Sleepers who dislike deep sink
- Larger body types needing stronger push-back
- People who tend to sleep warm
CONSIDER ANOTHER FEEL IF
- You are a lightweight side sleeper
- Your shoulders or hips are pressure-sensitive
- You prefer a deeply cushioned sensation
Firmness is personal. Use your usual sleep position and pressure-point comfort as the final guide.
CHOOSE YOUR BUILD
Compare every feel and size.
Switch between comfort levels, then compare the details that matter for your sleep.
Medium-Firm Queen Mattress
$999.99
- Size
- Queen
- Thickness
- 14''
- Firmness
- 6/10
- Cooling
- 9/10
Medium-Firm King Mattress
$1,199.99
- Size
- King
- Thickness
- 14''
- Firmness
- 6/10
- Cooling
- 9/10
Medium-Firm Queen Mattress
$799.99
- Size
- Queen
- Thickness
- 13''
- Firmness
- 5/10
- Cooling
- 8/10
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FIRMNESS PROFILE
Why it feels firm.
A restrained comfort layer and quicker response keep the body closer to the support system.
HOW THE FEEL IS BUILT
Restrained cushioning
Less comfort-layer depth limits deep sink.
Faster response
The surface recovers quickly as your body shifts.
Lifted support
The support system engages sooner and keeps you closer to the surface.
Surface feel
Lifted and stable, with less sink beneath the hips and torso.
Comfort layer
A more restrained cushioning depth keeps support closer to the surface.
Response
Quicker surface recovery makes changing positions feel more natural.
Temperature
Less body immersion leaves more room for airflow around the sleeper.
Choose this feel when you prefer stable support and less body immersion. Comfort still depends on sleep position, body type, and personal preference.
Sleep With Confidence
Afterpay
365-Night Home Trial
Lifetime Warranty
Free Shipping & Returns
Help Center
We’re here to help you sleep better — and recover better.
Yes. Sleepmax mattresses include long-term warranty support for eligible defects in materials and workmanship. Normal comfort changes and damage from improper use are not covered.
Sleepmax works with most supportive bed frames, including platform beds, slatted frames, adjustable bases, and box springs. Make sure your base is flat, sturdy, and properly supported.
Your mattress will begin expanding as soon as it is unboxed. Most mattresses take up to 48 hours to fully expand, though you can usually sleep on it sooner.
Sleepmax uses certified materials, including CertiPUR-US® foams and OEKO-TEX® Standard 100 fabrics, so you can feel confident about what you bring into your home.
Yes. Sleepmax mattresses are designed without fiberglass, so you can sleep with confidence and avoid the concerns often associated with fiberglass mattress construction.
Sleepmax is designed with adaptive full-body support for different body types. Sleepers who prefer a sturdier feel may find the Firm option more supportive.
Yes. Sleepmax provides balanced full-body support to help the body settle evenly. Back sleepers often prefer Firm or Medium depending on their comfort preference.
Yes. Sleepmax is designed to help relieve pressure around the shoulders and hips, which are key areas for side sleepers. Plush and Medium options are often preferred for a more cushioned feel.
Choose Firm if you prefer stronger support, Medium if you want a balanced feel, and Plush if you like deeper cushioning and a softer, more body-hugging comfort.
Yes. Your Sleepmax trial is designed so you can try the mattress at home after opening it. Contact us if you need help starting a return.
Your 365-night trial starts from the date your order is delivered. This gives you time to sleep on the mattress in your own home and decide if it’s right for you.
The 365-night trial gives you time to experience your Sleepmax mattress at home. If it isn’t the right fit, contact us and we’ll guide you through the return process based on your order channel and location.
Your mattress ships from one of our U.S. warehouse locations. We use our warehouse network to help reduce delivery time and get your order to you faster.
Yes. Sleepmax offers free shipping on mattress orders. There are no extra shipping fees at checkout for standard delivery.
With warehouses positioned across the U.S., Sleepmax offers free shipping and next-day delivery on over 70% of orders. Delivery time may vary by location, product size, and carrier availability.
With warehouses positioned across the U.S., Sleepmax offers free shipping and next-day delivery on over 70% of orders. Delivery time may vary by location, product size, and carrier availability.
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