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Home · Mattress Firm
A firm mattress that arrives in a box, sleeps like a cloud
Sealy Sleepy's 8 Inch Firm Twin Memory Foam Mattress in a Box
Sealy's firm memory foam twin, boxed and ready for a guest room or first apartment.
Deal score 7.1 · Great deal
$299.99$600.00 Mattress Firm's regular price
You save $300.01 at Mattress Firm
Deal.ai's agents found this deal on November 14. The store may have changed its price since.
Why it's a great deal
- Mattress Firm lists its regular price at $600.00: 50% off by its own figures
- Rated 4.0 out of 5 by 301 buyers
Every store we checked
- Mattress FirmNew
In stock
$299.99Checked 45 min ago - Mattress FirmNew
In stock
$599.99Free shippingChecked 44 min ago
Store links may earn us a commission. Some prices via Klarna.
About it
Firm gel memory foam comfort with pressure relief and motion isolation in a box.
From Mattress Firm
- Firm gel memory foam comfort with pressure relief and motion isolation in a box
- Cradling gel memory foam comfort
- Excellent motion isolation
- Firm support for aches and pains
- Easy unbox and setup design
- Ideal for back and stomach sleepers
- Sizes
- Twin, Twin XL, Full, Queen, King
- Materials
- Quilting layer: stretch knit cover; comfort layer: 2" memory foam; support system: 6" support foam
- Fit
- Firm feel; 8 inch mattress height
- Sizing
- New mattresses may feel firmer than the showroom model; allow 30–60 days for the mattress and your body to adjust.
- Care
- Rotate mattress end-to-end at 2 weeks, then every 2-3 months; use a waterproof mattress protector to avoid stains; carton the mattress and transport on its side
- Guarantee
- 10 Year Limited warranty
- Returns
- 120 Night Sleep Trial: if you don't love it, they'll help you find a new one or your money back
- Shipping
- Free shipping; delivery to your front door, side door or garage; contactless delivery; no removal of your old mattress set
- Packs
- Add a second Twin XL mattress in cart to build a Split King set
- In the box
- Mattress in a box
What buyers say
Buyers like
- Exceptional comfort and improved sleep quality
- Firm support suits side and back sleepers
- Excellent value for the price
- Memory foam construction and motion isolation
- Restful nights and waking refreshed
- Easy setup
Buyers complain about
- Too firm for some sleepers
- Some customers did not receive their mattresses
- Difficulty reaching customer support
Specs
- Size
- Twin
- Type
- Gel Memory Foam
- Firmness
- FIRM COMFORT
- Sleeper Type
- Back and Stomach
About the Sealy Sleepy's 8 Inch Firm Twin Memory Foam Mattress in a Box
The Sealy Sleepy's 8 Inch Firm is a gel memory foam mattress sold compressed in a box, aimed at back and stomach sleepers who want a hard, supportive surface. The gel-infused foam is meant to ease pressure and cut motion transfer, so a partner's tossing is less noticeable. At 8 inches it is thinner than most all-foam rivals, which usually run 10 to 12 inches, so it suits platform beds and tight budgets more than deep-sink comfort seekers. Owners rate it 4 out of 5; most praise the firm support and easy setup, while a minority find it too hard and a few report delivery and support problems.
Best forBack and stomach sleepers who want a hard surfaceGuest rooms and kids' rooms on a platform bedShoppers who want a simple unbox-and-sleep setupCouples who want less motion transfer
Pros
- Firm gel memory foam with pressure relief
- Strong motion isolation for an all-foam bed
- Ships compressed in a box for easy setup
- Suits back and stomach sleepers
- 8-inch profile fits platform and bunk beds
Cons
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