Celestial Sleep Gel Memory Foam Mattress in a Box - 10 in Medium

In this review of the Celestial Sleep Gel Memory Foam Mattress in a Box the bottom line is simple: this 10 in medium mattress is best for sleepers who want a balance of contouring comfort and cooling without a complicated setup. The opening impression is of a mattress that arrives compressed, unrolls easily, and delivers a familiar sinking yet supported feel from its gel bead infused memory foam. The 120 night comfort guarantee makes it low-risk to test, and the mattress' CertiPUR-US and Oeko-Tex credentials add reassurance for those concerned about materials.

Key Features

• Easy Setup: The mattress ships compressed for a quick unbox and unroll, so it is ready to use within hours without tools or professional help.
• Cooling Gel Bead Infused Memory Foam: Gel beads in the memory foam help dissipate heat and conform to body curves for targeted pressure relief.
• Multiple Layers of Comfort: A heat-wicking quilted cover with cooling technology sits over a comfort foam layer and a supportive base foam for a balanced feel.
• All Sleep Positions: The medium firmness is designed to provide adequate support for side, back, and stomach sleepers while allowing enough give for mixed-position sleepers.
• Certified Materials: The mattress uses CertiPUR-US and Oeko-Tex certified foams and is fiberglass-free, which helps reduce concerns about offgassing and harmful chemicals.

Who It's For

This mattress is a good fit for shoppers who want a memory foam bed that sleeps cooler than traditional visco foams and who value easy setup and a generous trial period. Couples without extreme weight differences and most single sleepers will appreciate the balance of contouring and support.

It may be less suitable for people who need a very firm surface for back pain management or those who prefer a bouncy innerspring feel. If edge support or very high durability under heavy use are priorities, a hybrid or thicker support core might be a better choice.

Pros & Cons

Pros

• Comfortable balance of contouring and support thanks to the gel bead memory foam and layered construction.
• Cooling elements including gel beads and a heat-wicking quilted cover help reduce overnight heat buildup.
• Convenient unbox-and-go setup plus a 120 night comfort guarantee lowers purchase risk.
• Materials are CertiPUR-US and Oeko-Tex certified and fiberglass-free, easing concerns about air quality.

Cons

• Some customers report mixed impressions of softness; sleepers seeking a very firm mattress may find this medium too soft.
• Size perceptions vary for a few buyers, so exact fit in frames or tight sheets should be checked before purchase.

Specifications

Our Verdict

The Celestial Sleep 10 in medium gel memory foam mattress is a solid value for sleepers who want a cooler-feeling memory foam and an easy setup with low risk. Its layered foam construction and certifications make it a sensible choice for most side and back sleepers, while the 120 night guarantee gives ample time to determine fit.

Frequently Asked Questions

How long until the mattress reaches full loft?
The mattress typically regains its shape within a few hours to 48 hours after unboxing, depending on room temperature.

Is this mattress good for hot sleepers?
The gel bead infusion and heat-wicking quilted cover help reduce retained heat compared with traditional memory foam, making it better for warm sleepers.

What if the mattress feels too soft?
The 120 night comfort guarantee allows exchanges or returns if the medium feel does not suit your needs.