Sweetnight CoolNest vs Loom and Leaf: Which Foam Mattress Wins

Two memory foam mattresses, two very different cooling stories. The Sweetnight CoolNest builds its identity around a CoolNest system with a PCMflux high-resilience foam cover that the brand says feels up to 8 degrees cooler, while the Saatva Loom and Leaf leans on gel-infused memory foam with micro perforations and a naturally breathable organic cotton cover. Both are all-foam builds aimed at pressure relief, but they target different budgets and different service levels. This comparison walks through feel, materials, cooling, trial terms and warranty so you can decide which one belongs in your bedroom.

Our pick

Saatva Loom and Leaf for shoppers who want premium memory foam with a firmness choice and long policies

• 365-night home trial
• Free white-glove delivery and old-mattress removal
• Lifetime warranty
• 5-lb memory foam core with Lumbar Zone quilting

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Which mattress should you buy: Sweetnight CoolNest or Saatva Loom and Leaf?

Pick the Sweetnight CoolNest if you sleep hot, want a straightforward all-foam mattress with a stated cooling system, and prefer a 100-night trial with a 10-year warranty. Pick the Saatva Loom and Leaf if you want an ultra-premium memory foam build with a 5-lb memory foam core, Lumbar Zone quilting, two firmness choices, and the longer protections that come with Saatva service: a 365-night home trial and a lifetime warranty. The CoolNest wins on cooling claims and simplicity; the Loom and Leaf wins on construction depth, firmness choice and policy length.

Who is each mattress for?

The Sweetnight CoolNest is built for hot sleepers who want a foam mattress that addresses heat at the cover and comfort layers. Its CoolNest system pairs a 3D weaving cover with PCMflux high-resilience foam, and the brand states the surface feels up to 8 degrees cooler. The mattress comes in three thicknesses, 12 inch, 14 inch and 16 inch, and three model tiers named Basic, Pro and Ultra, so you can match loft and support to your frame. Certifications include CertiPUR-US for the foam and STANDARD 100 by OEKO-TEX for the fabric. If you want a foam mattress with a stated cooling story and a 100-night trial, this is the side of the comparison for you.

The Saatva Loom and Leaf is aimed at sleepers who want a deeper, more traditional memory foam feel with premium materials. It uses an ultra-premium 5-lb memory foam core for a body-hugging feel, gel-infused memory foams that mold to your curves, and Lumbar Zone quilting with a gel-infused memory foam lumbar crown for extra support where it matters. The cover is made from naturally breathable organic cotton, and the gel-infused memory foam carries micro perforations to increase breathability. It comes in two comfort levels, Relaxed Firm rated 5 to 7 out of 10 and Firm rated 8 out of 10, so side, back, combination and stomach sleepers each have a clear option. If you want a luxury foam feel with a choice of firmness and a long trial, this is your side.

Sweetnight CoolNest vs Saatva Loom and Leaf: side-by-side specs

How do they feel and support your body?

The CoolNest goes for body-cradling support with a layered comfort stack. You get a 3D weaving CoolNest cover, PCMflux high-resilience foam, gel-infused memory foam, ocean memory foam, a transition comfort foam, and a 5-zone support foam with 9 comfort bars. Sweetnight describes this as a 5-zone ergonomic support design for full-body pressure relief, and the all-foam feel is described as body-cradling support and pressure relief aimed at side sleepers who need pressure-point contouring. The three thickness options let you choose how deep the comfort layers sit.

The Loom and Leaf builds around a deep, body-hugging memory foam feel. The 5-lb memory foam core is designed to cradle while still supporting, and the gel-infused foams add contouring. Lumbar Zone quilting and a gel-infused memory foam lumbar crown target the lower back, and the brand states the mattress supports healthy spinal alignment in any sleep position. Relaxed Firm is the medium option that hugs the body without letting hips sink too far, and it is positioned for side, back and combination sleepers plus couples who cannot agree on firmness. Firm is the 8 out of 10 option with more push back, positioned for stomach sleepers and people who move around a lot.

Which one sleeps cooler?

Cooling is the clearest split between these two. The Sweetnight CoolNest makes an explicit temperature claim: the CoolNest system, with the CoolNest cover and PCMflux high-resilience foam working together, is stated to feel up to 8 degrees cooler for all-night cooling and sweat-free sleep. The 3D airflow structure design in the cover is part of that story, and Sweetnight positions the mattress as the best solution for hot sleepers.

The Saatva Loom and Leaf approaches cooling through materials rather than a headline number. Its cover is made from naturally breathable organic cotton, the gel-infused memory foam has micro perforations to increase breathability, and the gel-infused foams are described as keeping you cooler while they contour. If you want a stated degree figure on the cooling claim, the CoolNest gives you one. If you prefer a breathable cover and perforated foam without a headline number, the Loom and Leaf covers that ground. For more options in this category, see our best cooling mattresses.

What do materials and construction tell you?

The CoolNest stack is layered for cooling first and support second. The cover uses 3D weaving, the PCMflux high-resilience foam sits under it, and gel-infused memory foam plus ocean memory foam handle contouring. A transition comfort foam separates comfort from support, and the 5-zone support foam with 9 comfort bars does the ergonomic work. All foam is CertiPUR-US certified, and the fabric passes STANDARD 100 by OEKO-TEX.

The Loom and Leaf stack is built around a 5-lb memory foam core, which the brand calls ultra-premium. Gel-infused memory foams mold and contour, and the lumbar crown adds support at the lower back. The cover is organic cotton, chosen for breathability. On the environmental side, Saatva substitutes 30% of the polyurethane in its foams with renewable, naturally derived soybean and corn oils, and the foams are CertiPUR-US certified free of ozone depleters, certain flame retardants, mercury, lead, formaldehyde and phthalates, with low VOC levels. Each mattress is made fresh to order in a U.S. factory and travels less than 100 miles on average from factory to home. If organic and eco-conscious materials matter to you, our best organic mattresses guide covers more options.

What do trial, warranty and delivery look like?

The Sweetnight CoolNest carries a 100-night trial, free U.S. shipping, and a 10-year warranty. The Saatva Loom and Leaf carries a 365-night home trial and a lifetime warranty that covers defects in workmanship and materials under normal residential care and use for as long as the original purchaser owns it, with a Fairness Replacement Option included. Saatva also provides free white-glove delivery with in-room delivery and setup, and will take away your old mattress at no additional cost when you check the free mattress removal box at checkout. The gap in trial length and warranty term is the widest single difference between these two mattresses.

Which is the better value?

Value here is not only about the number on the tag. The Sweetnight CoolNest Queen is listed at $349.99 against a $599.99 reference price, and it comes with a 100-night trial and a 10-year warranty plus free shipping. The Saatva Loom and Leaf Queen is listed at $3,179, and it comes with a 365-night home trial, a lifetime warranty, and free white-glove delivery with setup and old mattress removal. The CoolNest asks far less money up front; the Loom and Leaf bundles in a much longer trial, a much longer warranty, and a delivery service that includes setup. Which value equation suits you depends on how much you weight price against service length. If you are shopping the foam category broadly, our best memory foam mattresses roundup puts both in context.

Who should NOT buy each mattress?

Skip the Sweetnight CoolNest if you want a long trial period or a lifetime warranty, since it offers 100 nights and 10 years. Skip it if you want a choice of firmness levels, because the CoolNest differentiates by thickness and model tier rather than by a firmness scale. Skip it if you want white-glove delivery with setup and old mattress removal, since the CoolNest ships free rather than with in-room setup.

Skip the Saatva Loom and Leaf if your budget cannot stretch to a premium foam mattress, because the Queen list price sits far above the CoolNest. Skip it if you specifically want a stated cooling degree figure, because the Loom and Leaf describes breathability through materials rather than a temperature number. Skip it if you want a simple one-choice purchase, since the Loom and Leaf asks you to pick between Relaxed Firm and Firm before you buy.

Is there a Saatva alternative worth considering?

If you like the Saatva side of this comparison but want an innerspring build instead of all-foam, the Saatva Classic is the natural next look. It pairs a 3-inch Euro pillow top with a dual-coil design made of triple-tempered recycled carbon steel, offers three comfort levels (Plush Soft at 3 out of 10, Luxury Firm at 5 to 7 out of 10, and Firm at 8 out of 10), and carries the same 365-night home trial, lifetime warranty, and free white-glove delivery with old mattress removal. It is also CertiPUR-US certified and GREENGUARD Gold certified, and it is endorsed by the American Chiropractic Association. Read the full Saatva Classic review for the complete picture, or browse our best hybrid mattresses if you want coil support with foam comfort.

For a deeper read on the foam side, the Loom and Leaf review and the Sweetnight CoolNest review each cover one product in full.

World Sleep Almanac score: 7.6/10

World Sleep Almanac score: 7.6/10 for the Saatva Loom and Leaf in this head-to-head. The score is an editorial rating based on these criteria: materials and construction (5-lb memory foam core, Lumbar Zone quilting, organic cotton cover, CertiPUR-US foams), trial and returns (365-night home trial), warranty (lifetime coverage with a Fairness Replacement Option), delivery service (free white-glove setup with old mattress removal), and value at equal size (premium list price balanced against the length of the policies). The scoring method is applied consistently across our mattress comparisons.

Frequently asked questions

Does the Sweetnight CoolNest really sleep cooler than the Loom and Leaf?

Sweetnight states its CoolNest system, combining the CoolNest cover with PCMflux high-resilience foam, feels up to 8 degrees cooler for all-night cooling. Saatva describes the Loom and Leaf cooling through a breathable organic cotton cover and gel-infused memory foam with micro perforations. One gives you a degree figure, the other describes materials.

Can I try either mattress for more than a year?

The Saatva Loom and Leaf comes with a 365-night home trial, so you have a full year to decide. The Sweetnight CoolNest comes with a 100-night trial. If a long trial matters to your decision, that gap is the clearest separator between the two.

Which mattress is better for stomach sleepers?

The Saatva Loom and Leaf offers a Firm comfort level rated 8 out of 10, which the brand positions for stomach sleepers and those who prefer a firm mattress. The Sweetnight CoolNest differentiates by thickness (12, 14 or 16 inch) and model tier rather than by a firmness scale, so you would choose based on loft rather than a stated firmness rating.

Do both mattresses come with certifications?

Yes. Sweetnight states that all its foam is CertiPUR-US certified and that the CoolNest fabric passes STANDARD 100 by OEKO-TEX. Saatva states that Loom and Leaf foams are CertiPUR-US certified and free of ozone depleters, certain flame retardants, mercury, lead, formaldehyde and phthalates, with low VOC levels.

Which mattress comes with delivery setup?

Saatva includes free white-glove delivery with in-room delivery and setup, and will remove your old mattress at no extra cost when you select that option at checkout. Sweetnight offers free U.S. shipping on the CoolNest.

Reviewed by the World Sleep Almanac editorial team. Updated October 2026.