Is this mattress good for side sleepers?

It is firm, which most side sleepers find too hard on the shoulder and hip. Side sleepers usually do better on a medium or plush mattress.

Does it need a box spring?

No. It works on a platform bed, slatted frame or bunk base. A solid or closely slatted base gives the foam the most support.

How long does it take to expand?

It ships compressed and usually reaches full 8-inch height within 24 to 72 hours after unrolling. Some foam smell fades over the first few days.

Is it safe for a child's bed?

The foam is CertiPUR-US certified and the fabric is OEKO-TEX certified, and the brand lists children among its users. Its firm surface also suits bunk and toddler-transition beds.

How much weight does the twin hold?

The brand rates it to 800 lb. That is high for an 8-inch foam twin, though heavy adults may still feel the base through the thin foam.

Does the green tea foam actually help with heat?

Green tea infusion is mostly for freshness, not cooling. The breathable knit cover does more for airflow, and hot sleepers may still want a cooling pad.

What do buyers say about the NightyNight 8" Twin Size Firm Memory Foam Mattress?

Rated 4.3 out of 5 from 24 ratings.

NightyNight 8" Twin Size Firm Memory Foam Mattress

Best price now

$92.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

NightyNight 8" Twin Size Firm Memory Foam Mattress

Best price now

$92.99at WalmartChecked Nov 12

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $92.99 at Walmart on Nov 12.

Our take on the NightyNight 8" Twin Size Firm Memory Foam Mattress

The NightyNight 8-inch Twin is a firm memory foam mattress with a tight knit cover and green tea infusion. It is CertiPUR-US certified foam with OEKO-TEX certified fabric, and the brand rates it to 800 lb. At 8 inches it is thinner than most 10- to 12-inch foam mattresses, so it suits kids' beds, bunks, guest rooms and platform frames more than adults wanting a deep, plush bed. Buyers rate it 4.3 out of 5 across 24 ratings, with firmness and value standing out over long-term durability.

Best forKids' beds and bunk bedsGuest rooms and spare bedsBack and stomach sleepers who want firm supportShoppers on a tight budget

Pros

Firm support that holds back and stomach sleepers
Green tea infusion and breathable knit cover aimed at heat
CertiPUR-US foam and OEKO-TEX fabric certifications
800 lb weight rating for a twin
Ships compressed; no assembly needed

Cons

8 inches is thin; heavy adults may feel the base
Firm feel is too hard for many side sleepers
Memory foam can sleep warm despite the cooling cover
Only 24 ratings, so long-term durability is unproven

NightyNight 8" Twin Size Firm Memory Foam Mattress prices at every store

WalmartNew
In stockSold by NightyNightReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$92.99Free shippingChecked Nov 12
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NightyNight 8" Twin Size Firm Memory Foam Mattress price history

Lowest price we've seen: $119.99 on Nov 12 at Walmart. Tracked across 1 store since Nov 12.

What reviewers say

4.3 / 524 ratings

Buyers give it 4.3 out of 5 over 24 ratings. Most praise the firm support and the easy setup for kids' and guest beds; a few find it too firm or too thin for daily adult use.

What people mention

FirmnessMixedBack and stomach sleepers like the firm support; side sleepers and lighter buyers call it too hard.
ThicknessMixedThe 8-inch profile suits bunks and kids' beds, but some adults find it shallow.
SetupPraisedBuyers say it unrolls quickly and expands with little smell.
CoolingMixedThe knit cover helps some sleepers stay cool; others still wake warm.
ValuePraisedOwners say it delivers solid support for a low-cost twin.

About the NightyNight 8" Twin Size Firm Memory Foam Mattress

This 8-inch twin mattress is made of green tea memory foam. The foam is infused with natural green tea extract and contours to the body to help relieve pressure points. It has a tight top and a gray finish.

The cover is a breathable knit fabric with an air layer that promotes airflow and helps reduce heat buildup. The foam is CertiPUR-US certified and the fabric is OEKO-TEX certified.

The comfort level is listed as firm, and the mattress is also described as medium-firm. It is made for side, back and stomach sleepers, and for children and adults. It requires no assembly. It is not compatible with sleeper sofas.

Size: Twin
Thickness: 8 in
Type: Memory foam
Material: Green tea memory foam
Comfort level: Firm
Top type: Tight top
Cover: Breathable knit fabric
Color: Gray
Max load: 800 lb
Weight: 30 lb
Age group: Child, Adult
Certifications: CertiPUR-US certified foam, OEKO-TEX certified fabric
Assembly: No assembly required
Sleeper sofa: Not compatible

Specifications

bed_size: TwinSource
mattress_thickness: 8 inSource
color: GraySource
Bed size: Twin
Mattress comfort level: Firm
Mattress type

Questions and answers

Is this mattress good for side sleepers?: It is firm, which most side sleepers find too hard on the shoulder and hip. Side sleepers usually do better on a medium or plush mattress.
Does it need a box spring?: No. It works on a platform bed, slatted frame or bunk base. A solid or closely slatted base gives the foam the most support.
How long does it take to expand?: It ships compressed and usually reaches full 8-inch height within 24 to 72 hours after unrolling. Some foam smell fades over the first few days.
Is it safe for a child's bed?: The foam is CertiPUR-US certified and the fabric is OEKO-TEX certified, and the brand lists children among its users. Its firm surface also suits bunk and toddler-transition beds.
How much weight does the twin hold?: The brand rates it to 800 lb. That is high for an 8-inch foam twin, though heavy adults may still feel the base through the thin foam.
Does the green tea foam actually help with heat?: Green tea infusion is mostly for freshness, not cooling. The breathable knit cover does more for airflow, and hot sleepers may still want a cooling pad.
Where is the NightyNight 8" Twin Size Firm Memory Foam Mattress cheapest?: At Walmart, for $92.99, as of our latest check.
What do buyers say about the NightyNight 8" Twin Size Firm Memory Foam Mattress?: Rated 4.3 out of 5 from 24 ratings.