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\n\n\n", "length": "80", "depth": "76", "sizeSelect": "Size: 76″ x 80″" }, { "id": "Queen", "description": null, "displayValue": "Queen", "value": "Queen", "selected": false, "selectable": true, "url": "https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_BRK-GRA-5M-FM-25-config_size=Queen&pid=BRK-GRA-5M-FM-25-config&quantity=1", "price": { "sales": { "value": 1599.99, "currency": "USD", "formatted": "$1,599.99", "decimalPrice": "1599.99" }, "list": { "value": 2079.99, "currency": "USD", "formatted": "$2,079.99", "decimalPrice": "2079.99" }, "isSale": true, "percentDiscount": 23, "renderedPrice": "
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\n\n\n", "length": "80", "depth": "60", "sizeSelect": "Size: 60″ x 80″" } ], "resetUrl": "https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_BRK-GRA-5M-FM-25-config_size=&pid=BRK-GRA-5M-FM-25-config&quantity=1" } ], "longDescription": "

Mancini's Sleepworld Granite Bay Firm Mattress 13\" Twin

The Mancini's Sleepworld Granite Bay Firm Mattress 13\" is a firm mattress built for the back sleeper who needs a firm mattress for back pain relief without waking up on something that feels punishing. At 13 inches tall, this mattress carries a serious support stack while keeping the sleeping surface genuinely comfortable. It is an exclusive Mancini's Sleepworld build, meaning the specs were chosen specifically for how the Bay Area's sleep specialists know their customers actually sleep.

The construction is layered with intention, and every material in the comfort zone earns its place. If you have been waking up stiff or rolling toward the center of a softer bed, this is worth feeling in person. Stop into any Mancini's Sleepworld location and our sleep specialists will put this right next to every comparison so you can let your body make the decision.

COMFORT AND FEEL: Firm feel with a cool memory foam surface that cradles without sinking.

SIZE: This Twin sized mattress is a natural fit for a solo sleeper, a teen's room, or a dedicated guest space.

BEST SLEEP MATCH: Back sleepers and stomach sleepers are the sweet spot here. The firm mattress for back sleepers feel keeps the hips from dipping, so the lumbar stops taking the hit every morning.

BEST FOR: Ideal for sleepers who need consistent spinal support, run warm through the night, or wake up stiff from a mattress that has lost its shape.

CONSTRUCTION SPECIFICATIONS: The cover uses a super heavy weight \"Cold\" stretch knit that actively draws heat away from the body. Beneath it, Ultra High Density memory foam layers infused with Graphite, Copper, and Titanium each handle a different piece of the cooling and contouring job. A Super High Density base foam underneath keeps the whole structure from softening out early.

SETUP AND COMPATIBILITY: Compatible with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available through Mancini's Sleepworld.

NOT A FIT FOR: Sleepers who prefer a plush or cushioning surface. May feel too rigid for dedicated side sleepers who need deep hip and shoulder give.

YOUR SLEEP, BACKED BY US

Every purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee and the Rest Easy Promise, so you can sleep on it for months before deciding it is right. Add a premium mattress protector at the time of purchase and you can choose to extend that guarantee to a full 365 nights. Free next-day delivery, in-home professional setup, flexible financing, and our Best Price Guarantee are all included. Come try it before you buy it at any Mancini's Sleepworld showroom.

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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $195.00\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 23%\n \n \n\n \n\n \n \n \n \n \n \n \n $150.00\n\n\n \n \n \n\n\n\n
\n\n\n", "images": { "small": [ { "alt": "Mancini's Sleepworld Low Profile Foundation", "url": "https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dwf46972f1/images/hi-res/BRK-/BRK-FOU-5LB-24/BRK-FOU-3LB-24_1.jpg?sw=140&sh=93", "title": "Mancini's Sleepworld Low Profile Foundation" } ] }, "availability": { "messages": [ "In Stock" ], "inStockDate": null }, "available": true, "title": "Add Foundation {0}" }, { "uuid": "2b5e5ed60b0052fc8335b810fc", "id": "ISS-ADJ-ELV2-3B", "productName": "Sleep Partner ZZZ Elevate 2.0 Adjustable Base", "productType": "variant", "brand": "Sleep Partner ZZZ", "sleepMatch": null, "videourl": null, "consfeatures": [ "Custom head & foot adjustment for comfort, Wireless remote with Zero-G & Anti-Snore presets, 850 lb weight capacity for strength, Adjustable 12'' legs (9''+3'') with zero clearance design, Built to last with dependable warranty" ], "price": { "sales": { "value": 799.99, "currency": "USD", "formatted": "$799.99", "decimalPrice": "799.99" }, "list": { "value": 1039.99, "currency": "USD", "formatted": "$1,039.99", "decimalPrice": "1039.99" }, "isSale": true, "percentDiscount": 23, "renderedPrice": "
\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $1,039.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 23%\n \n \n\n \n\n \n \n \n \n \n \n \n $799.99\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $1,039.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 23%\n \n \n\n \n\n \n \n \n \n \n \n \n $799.99\n\n\n \n \n \n\n\n\n
\n\n\n", "images": { "small": [ { "alt": "Sleep Partner ZZZ Elevate 2.0 Adjustable Base", "url": "https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw29897cc3/images/hi-res/ISS-/ISS-ADJ-ELV2-5B/ISS-ADJ-ELV2-3B_1.jpg?sw=140&sh=93", "title": "Sleep Partner ZZZ Elevate 2.0 Adjustable Base" } ] }, "availability": { "messages": [ "In Stock" ], "inStockDate": null }, "available": true, "title": "Add Foundation {0}" }, { "uuid": "287cd16783e0747d941dc78989", "id": "ISS-ADJ-ELV3-3B", "productName": "Sleep Partner ZZZ Elevate 3.0 Adjustable Base", "productType": "variant", "brand": "Sleep Partner ZZZ", "sleepMatch": null, "videourl": null, "consfeatures": [ "Head & foot adjustability with massage, Wireless remote with Zero-G & Anti-Snore presets, 850 lb weight capacity for durability, USB ports & underbed lighting with zero clearance design, Adjustable 12'' legs (9''+3'') backed by dependable warranty" ], "price": { "sales": { "value": 1099.99, "currency": "USD", "formatted": "$1,099.99", "decimalPrice": "1099.99" }, "list": { "value": 1429.99, "currency": "USD", "formatted": "$1,429.99", "decimalPrice": "1429.99" }, "isSale": true, "percentDiscount": 23, "renderedPrice": "
\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $1,429.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 23%\n \n \n\n \n\n \n \n \n \n \n \n \n $1,099.99\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $1,429.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 23%\n \n \n\n \n\n \n \n \n \n \n \n \n $1,099.99\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n\n \n \n \n \n \n \n \n $120.00\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n\n \n \n \n \n \n \n \n $120.00\n\n\n \n \n \n\n\n\n
\n\n\n", "images": { "small": [ { "alt": "Purecare Frio Cooling 5-Sided Mattress Protector", "url": "https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw1df236da/images/hi-res/PUR-/PUR-COO-MP-5/PUR-COO-MP-3_1.jpg?sw=140&sh=93", "title": "Purecare Frio Cooling 5-Sided Mattress Protector" } ] }, "availability": { "messages": [ "In Stock" ], "inStockDate": null }, "available": true, "title": "Add Protection {0}" }, { "uuid": "a5887c4dff1dc6f93a71c0408a", "id": "ISS-MP-LUX-CHI-3", "productName": "Sleep Partner ZZZ Luxury Chill 5-Sided Mattress Protector", "productType": "variant", "brand": "Sleep Partner ZZZ", "sleepMatch": null, "videourl": null, "consfeatures": [ "Double-Sided Layers,5-Sided Protection,Waterproof,Elastic Stap,Cooling & Temperature Regulating" ], "price": { "sales": { "value": 189.99, "currency": "USD", "formatted": "$189.99", "decimalPrice": "189.99" }, "list": { "value": 279.99, "currency": "USD", "formatted": "$279.99", "decimalPrice": "279.99" }, "isSale": true, "percentDiscount": 32, "renderedPrice": "
\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $279.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 32%\n \n \n\n \n\n \n \n \n \n \n \n \n $189.99\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $279.99\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 32%\n \n \n\n \n\n \n \n \n \n \n \n \n $189.99\n\n\n \n \n \n\n\n\n
\n\n\n", "images": { "small": [ { "alt": "Sleep Partner ZZZ Luxury Chill 5-Sided Mattress Protector", "url": "https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dwd2cfbbb4/images/hi-res/ISS-/ISS-MP-LUX-CHI-5/ISS-MP-LUX-CHI-3_1.jpg?sw=140&sh=93", "title": "Sleep Partner ZZZ Luxury Chill 5-Sided Mattress Protector" } ] }, "availability": { "messages": [ "In Stock" ], "inStockDate": null }, "available": true, "title": "Add Protection {0}" }, { "uuid": "b4e93386f1f5550a07b2656ff9", "id": "PUR-MP-QUI-COO-3", "productName": "Purecare Quilted Frio Cooling 5-Sided Mattress Protector", "productType": "variant", "brand": "Purecare", "sleepMatch": null, "videourl": null, "consfeatures": [ "FRIO® fibers cool 5x faster than traditiona; polyester,Soft-cool-touch comfort of TENCEL™ Lyocell,Precision-Fit® corners and cuff for a stay-put fit- Ideal for adjustable bases" ], "price": { "sales": { "value": 140, "currency": "USD", "formatted": "$140.00", "decimalPrice": "140.00" }, "list": null, "renderedPrice": "
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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $279.00\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 22%\n \n \n\n \n\n \n \n \n \n \n \n \n $219.00\n\n\n \n \n \n\n\n\n
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\n \n \n \n\n \n \n\n \n \n \n \n \n Price reduced from\n \n MSRP \n $279.00\n\n\n \n to\n \n \n \n \n \n \n \n \n Save 22%\n \n \n\n \n\n \n \n \n \n \n \n \n $219.00\n\n\n \n \n \n\n\n\n
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Mancini's Sleepworld Granite Bay Firm Mattress 13\" Queen

The Mancini's Sleepworld Granite Bay Firm Mattress 13\" is a firm mattress for back pain relief built for the sleeper who runs warm and wakes up stiff. Where most firm mattresses trade comfort for rigidity, this one layers ultra-high-density memory foam infused with graphite, copper, and titanium above a super-high-density base, so the surface absorbs just enough to take pressure off the hips while the foundation underneath keeps the lumbar lifted. The result is a mattress that earns its firmness rather than just announces it. Stop by any Mancini's Sleepworld location and our sleep specialists will put this next to every comparable option so you can feel exactly where it sits on the spectrum.

COMFORT AND FEEL: Firm feel with memory foam contouring that supports without letting the lower back sink.

SIZE: This queen sized mattress is a generous 60 by 80 inches, well-suited for couples or solo sleepers who want room to shift positions freely.

BEST SLEEP MATCH: Back sleepers and combination sleepers will feel most at home here. The firm mattress for back sleepers holds the spine level while the infused memory foam eases tension at the hips and shoulders between position changes.

BEST FOR: Ideal for sleepers who run hot, wake up with lower back tension, or need a firm surface that doesn't feel punishing by morning.

CONSTRUCTION SPECIFICATIONS: The cover is a super heavy-weight cold-stretch knit that draws heat away from the body on contact. Beneath it, ultra-high-density memory foam layers infused with graphite, copper, and titanium help dissipate warmth and contour to pressure points. A super-high-density base foam anchors everything, keeping the mattress from softening out over time.

SETUP AND COMPATIBILITY: Works with adjustable bases, platform frames, and box springs. Delivered flat with in-home professional setup included, no tools required on your end.

NOT A FIT FOR: Sleepers who prefer a plush or pressure-cradling feel will find this too firm. Not the best choice for strict side sleepers with sensitive shoulder or hip joints.

YOUR SLEEP, BACKED BY US

Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee and the Rest Easy Promise, so you can sleep on this decision with confidence. Add a premium mattress protector at the time of purchase and you can choose to extend that to a full 365 nights. You also get free next-day delivery, in-home professional setup, flexible financing, and our Best Price Guarantee. Come try it in any of our stores before you commit.

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Mancini's Sleepworld Granite Bay Firm Mattress 13\" Twin

The Mancini's Sleepworld Granite Bay Firm Mattress 13\" is a firm mattress built for the back sleeper who needs a firm mattress for back pain relief without waking up on something that feels punishing. At 13 inches tall, this mattress carries a serious support stack while keeping the sleeping surface genuinely comfortable. It is an exclusive Mancini's Sleepworld build, meaning the specs were chosen specifically for how the Bay Area's sleep specialists know their customers actually sleep.

The construction is layered with intention, and every material in the comfort zone earns its place. If you have been waking up stiff or rolling toward the center of a softer bed, this is worth feeling in person. Stop into any Mancini's Sleepworld location and our sleep specialists will put this right next to every comparison so you can let your body make the decision.

COMFORT AND FEEL: Firm feel with a cool memory foam surface that cradles without sinking.

SIZE: This Twin sized mattress is a natural fit for a solo sleeper, a teen's room, or a dedicated guest space.

BEST SLEEP MATCH: Back sleepers and stomach sleepers are the sweet spot here. The firm mattress for back sleepers feel keeps the hips from dipping, so the lumbar stops taking the hit every morning.

BEST FOR: Ideal for sleepers who need consistent spinal support, run warm through the night, or wake up stiff from a mattress that has lost its shape.

CONSTRUCTION SPECIFICATIONS: The cover uses a super heavy weight \"Cold\" stretch knit that actively draws heat away from the body. Beneath it, Ultra High Density memory foam layers infused with Graphite, Copper, and Titanium each handle a different piece of the cooling and contouring job. A Super High Density base foam underneath keeps the whole structure from softening out early.

SETUP AND COMPATIBILITY: Compatible with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available through Mancini's Sleepworld.

NOT A FIT FOR: Sleepers who prefer a plush or cushioning surface. May feel too rigid for dedicated side sleepers who need deep hip and shoulder give.

YOUR SLEEP, BACKED BY US

Every purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee and the Rest Easy Promise, so you can sleep on it for months before deciding it is right. Add a premium mattress protector at the time of purchase and you can choose to extend that guarantee to a full 365 nights. Free next-day delivery, in-home professional setup, flexible financing, and our Best Price Guarantee are all included. Come try it before you buy it at any Mancini's Sleepworld showroom.

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Mancini's Sleepworld Granite Bay Firm Mattress 13\" Twin

The Mancini's Sleepworld Granite Bay Firm Mattress 13\" is a firm mattress built for the back sleeper who needs a firm mattress for back pain relief without waking up on something that feels punishing. At 13 inches tall, this mattress carries a serious support stack while keeping the sleeping surface genuinely comfortable. It is an exclusive Mancini's Sleepworld build, meaning the specs were chosen specifically for how the Bay Area's sleep specialists know their customers actually sleep.

The construction is layered with intention, and every material in the comfort zone earns its place. If you have been waking up stiff or rolling toward the center of a softer bed, this is worth feeling in person. Stop into any Mancini's Sleepworld location and our sleep specialists will put this right next to every comparison so you can let your body make the decision.

COMFORT AND FEEL: Firm feel with a cool memory foam surface that cradles without sinking.

SIZE: This Twin sized mattress is a natural fit for a solo sleeper, a teen's room, or a dedicated guest space.

BEST SLEEP MATCH: Back sleepers and stomach sleepers are the sweet spot here. The firm mattress for back sleepers feel keeps the hips from dipping, so the lumbar stops taking the hit every morning.

BEST FOR: Ideal for sleepers who need consistent spinal support, run warm through the night, or wake up stiff from a mattress that has lost its shape.

CONSTRUCTION SPECIFICATIONS: The cover uses a super heavy weight \"Cold\" stretch knit that actively draws heat away from the body. Beneath it, Ultra High Density memory foam layers infused with Graphite, Copper, and Titanium each handle a different piece of the cooling and contouring job. A Super High Density base foam underneath keeps the whole structure from softening out early.

SETUP AND COMPATIBILITY: Compatible with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available through Mancini's Sleepworld.

NOT A FIT FOR: Sleepers who prefer a plush or cushioning surface. May feel too rigid for dedicated side sleepers who need deep hip and shoulder give.

YOUR SLEEP, BACKED BY US

Every purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee and the Rest Easy Promise, so you can sleep on it for months before deciding it is right. Add a premium mattress protector at the time of purchase and you can choose to extend that guarantee to a full 365 nights. Free next-day delivery, in-home professional setup, flexible financing, and our Best Price Guarantee are all included. Come try it before you buy it at any Mancini's Sleepworld showroom.

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Mancini's Sleepworld Granite Bay Firm Mattress 13"

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\n", "productUrl": "/mancini%27s-sleepworld-granite-bay-firm-mattress-13in/BRK-GRA-3M-FM-25.html" }