Is this mattress good for side sleepers?

It is built for back and stomach sleepers. Side sleepers often want a softer surface for shoulder and hip pressure, and some owners say it is too firm.

Sealy labels it firm comfort. Expect a hard, supportive surface with little sink, not a cradling soft feel.

Does it need a box spring?

It works on a platform bed or a solid base. At 8 inches it is thinner than most foam mattresses, so a supportive foundation matters.

It uses gel-infused memory foam, which is meant to temper heat. Foam still tends to run warmer than hybrid or spring beds.

What comes in the box?

The mattress arrives compressed in a box. You unroll it and let it expand; setup is described as simple.

How does it compare with thicker foam mattresses?

It is thinner and firmer than most 10 to 12 inch all-foam rivals. You trade some cushioning for a hard, supportive feel and simpler setup.

Sealy Sleepy's 8 Inch Firm Memory Foam Mattress Price History: 50% Off

Q: Where is the Sealy Sleepy's 8 Inch Firm Twin Memory Foam Mattress in a Box cheapest?

At Mattress Firm, for $299.99, 50% off, as of our latest check.

Q: What do buyers say about the Sealy Sleepy's 8 Inch Firm Twin Memory Foam Mattress in a Box?

Rated 4 out of 5 from 301 ratings. Buyers like: Exceptional comfort and improved sleep quality; Firm support suits side and back sleepers; Excellent value for the price. Common complaints: Too firm for some sleepers; Some customers did not receive their mattresses.

What reviewers say

4 / 5301 ratings

Owners rate it 4 out of 5 and most praise the firm support, motion isolation and easy setup.

What people mention

FirmnessMixedMany back and stomach sleepers like the hard support, but some find it too firm.
Motion isolationPraisedOwners say movement from a partner is barely felt.
ComfortPraisedBuyers report better sleep quality and waking refreshed.
SetupPraisedThe boxed mattress is described as easy to unbox and set up.

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

About the Sealy Sleepy's 8 Inch Firm Twin Memory Foam Mattress in a Box

This 8-inch twin mattress from Sealy uses gel memory foam for a firm feel. It is built to relieve pressure, isolate motion and support aches and pains. It is made for back and stomach sleepers.

The mattress has a stretch knit cover over a 2-inch memory foam comfort layer. A 6-inch support foam base sits beneath it. It arrives in a box and is designed to be easy to unbox and set up.

A new mattress may feel firmer than the showroom model. Allow 30 to 60 days for the mattress and your body to adjust.

Size: Twin
Type: Gel memory foam
Firmness: Firm
Height: 8 inches
Cover: Stretch knit quilting layer
Comfort layer: 2" memory foam
Support layer: 6" support foam
Sleeper type: Back and stomach
Care: Rotate end-to-end at 2 weeks, then every 2-3 months. Use a waterproof mattress protector to avoid stains. To transport, carton the mattress and carry it on its side.
In the box: Mattress in a box