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By Sealy® 12” Firm Mattress
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93% of customers were happy with their purchase.

Sleepy's By Sealy® 12” Firm Mattress

142696P
To Check Availability
    BEST FOR
    Back & Stomach Sleepers
    About Sleep Styles
    Helps With
    Acid Reflux icon
    Acid Reflux
    Bed Partner icon
    Bed Partner
    Pain icon
    Pain
    Sleep Apnea icon
    Sleep Apnea
    Snoring icon
    Snoring
    Temperature icon
    Temperature
    Toss And Turn icon
    Toss And Turn
    About Sleep Disruptors
    T_PDP_Sleepy's by Sealy (1).jpg

    *Based on a 2022 study conducted by SleepScore Labs. Individual results may vary. This information is not a substitute for professional medical advice. Consult a healthcare professional for any health condition.

    Overview

    What have our Sleep Experts® and Sealy® dreamed up now? A firm bed that features all of the comfort, durability and cooling qualities of a luxury mattress at a price you’ll love. Back sleepers: You’ll find the firm feel is exactly what you need to wake up feeling aligned. Stomach and side sleepers? You’ll love how the 5-zoned coil system shifts to accommodate any position. Plus, this mattress features an additional layer of ultra-firm gel foam that brings a sturdy feel right to the surface while still maintaining your temperature.

    Compare the Collection

    Mattress Firm offers one of the largest selections of mattresses to choose from. With a curated assortment of brands and products at every price point, you are sure to find the best mattress for your sleep needs.

    • Price
    • Deliver By
    • Comfort
    • Best For
    • Mattress Type
    • Height
    • Cooling Technology iconCooling Technology
    • Motion Separation iconMotion Separation
    • Pressure Relief iconPressure Relief
    • Support iconSupport
    • Adjustable Base Friendly iconAdjustable Base Friendly
    • Breathable iconBreathable
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    Sleepy's By Sealy® 12” Firm Mattress
    $879.99$1529.99
    Comfort

    Firm

    Firm icon
    Best For

    Back and Stomach Sleepers

    Mattress Type

    Innerspring

    Height

    12"

    Mattributes

    Cooling Technology
    Motion Separation
    Pressure Relief
    Support
    Adjustable Base Friendly
    YES
    Breathable
    YES
    Shop Now
    Sleepy's By Sealy® Medium Euro Top Mattress
    $649.99$999.99
    Comfort

    Medium

    Medium icon
    Best For

    Side, Stomach and Back Sleepers

    Mattress Type

    Innerspring

    Height

    10.5"

    Mattributes

    Cooling Technology
    Motion Separation
    Pressure Relief
    Support
    Adjustable Base Friendly
    YES
    Breathable
    YES
    Shop Now
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    Sleepy's By Sealy® 12” Plush Mattress
    $979.99$1529.99
    Comfort

    Plush

    Plush icon
    Best For

    Side Sleepers

    Mattress Type

    Innerspring

    Height

    12"

    Mattributes

    Cooling Technology
    Motion Separation
    Pressure Relief
    Support
    Adjustable Base Friendly
    YES
    Breathable
    YES
    Shop Now
    Sleepy's By Sealy® 13" Plush Euro Top Mattress
    $1079.99$1629.99
    Comfort

    Plush

    Plush icon
    Best For

    Side Sleepers

    Mattress Type

    Innerspring

    Height

    13"

    Mattributes

    Cooling Technology
    Motion Separation
    Pressure Relief
    Support
    Adjustable Base Friendly
    YES
    Breathable
    YES
    Shop Now

    Need help deciding? Talk to a Sleep Expert®

    Our Sleep Experts® are available in-store, online or by phone or chat to help find your perfect mattress.

    Benefits

    Pressure Relief icon image
    Pressure Relief
    5/10 Average
    Pressure relief can alleviate aches, stiffness, pain, and sleep apnea by keeping pressure on the mattress consistent across the entire bed.
    Pressure relief can alleviate aches, stiffness, pain, and sleep apnea by keeping pressure on the mattress consistent across the entire bed.
    Cooling Technology icon image
    Cooling Technology
    Temperature-regulating components and materials draw heat away from the body to create a cool and comfortable sleep surface.
    Temperature-regulating components and materials draw heat away from the body to create a cool and comfortable sleep surface.
    Motion Separation icon image
    Motion Separation
    The goal of motion separation is to isolate movement, helping to reduce what you feel (like your partner tossing and turning) and offer pressure relief to your shoulders, hips, and back.
    The goal of motion separation is to isolate movement, helping to reduce what you feel (like your partner tossing and turning) and offer pressure relief to your shoulders, hips, and back.
    Support icon image
    Support
    5/10 Average
    Proper support from your mattress can alleviate common sleep problems from snoring to soreness to sleep apnea as it distributes your weight evenly across the mattress and maintains proper joint and spine alignment.
    Proper support from your mattress can alleviate common sleep problems from snoring to soreness to sleep apnea as it distributes your weight evenly across the mattress and maintains proper joint and spine alignment.
    Breathable icon image
    Breathable
    Breathable materials regulate body temperature and prevent heat buildup to create a cooler sleep experience.
    Breathable materials regulate body temperature and prevent heat buildup to create a cooler sleep experience.
    Adjustable Base Friendly icon image
    Adjustable Base Friendly
    Elevating the top and/or bottom of your mattress provides targeted support to help reduce snoring, provide pain relief and make reading and watching TV more comfortable.
    Elevating the top and/or bottom of your mattress provides targeted support to help reduce snoring, provide pain relief and make reading and watching TV more comfortable.
    Specifications

    Features

    • FIRM COMFORT
    • MATTRESS HEIGHT

    The .5" layer of pressure-relieving gel foam brings comfort and durability to the top of the bed

    A 1" layer of high-resiliency foam holds your body atop the coils for a steadier feel

    The 5-Zoned posturized support system features "8" of wrapped coils to give extra conforming support and response

    Breakdown

    Quilting Layer
    Super Soft Stretch Knit Rayon Cover
    Rayon Fiber
    1" Soft Response Gel Foam
    0.5" Ultra Firm Gel Foam
    Comfort Layer
    1" Medium Gel Foam
    1" Firm Resiliency Foam
    Support System
    8" 5-Zoned | 770 Coil Density
    Sleepy's Firm Edge Foam Encasement
    1" Extra Firm Base Foam
    About sleepy's
    Navigating your way to a great night’s sleep isn’t easy. That’s where Sleepy’s™ comes in. Sleepy’s is all about one-of-a-kind solutions—because you and your needs are one of a kind, too. Our Sleep Experts® tapped into their 200+ hours of training and experience helping millions of customers get the rest they need to create a best-selling line of mattresses, pillows, bedding and protectors. They have the perfect sleep setup for you.
    Delivery & Shipping

    Silver Service

    Includes transportation, mileage and tolls

    Home protection from outside direct and elements

    Delivery where you want - front door, side door or even garage

    Contactless delivery, meaning we won’t enter your home

    Regular $24.99

    NOW FREE

    Gold Service

    Includes all Silver services plus:

    New mattress and box spring setup

    Removal of packaging material from purchased item(s)

    Removal of old mattress set (equal to the number of pieces purchased)

    Three maximum flight of stairs purchased items can be carried

    $79.99-$119.99

    Platinum Service

    Includes all Gold services plus:

    Five maximum flight of stairs purchased items can be carried

    Delivery and setup of up to three mattress sets

    Setup of adjustable bases purchased from Mattress Firm

    $149.99

    Diamond Service

    Includes all Platinum services plus:

    Five Maximum flight of stairs purchased items can be carried

    Choice of preferred two-hour delivery window at the time of purchase (based on availability)

    $199.99

    Warranty
    No content available