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I am so glad I chose a local business to buy bedding that I needed, for my new bed. The staff was very kind and helpf...
Everything I bought was of the utmost quality, and we will definitely buy more furniture there in the near future.
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Sierra Sleep by Ashley

Shop the Sierra Sleep collection at Managhan's Furniture in Libby, MT. Sierra Sleep mattresses are designed to deliver quality comfort and reliable support at price points that work for every budget. The collection includes memory foam, innerspring, and hybrid mattress options in a range of firmness levels and standard sizes. Whether you're furnishing a guest room, setting up a child's bedroom, or upgrading your own mattress, Sierra Sleep offers solid construction and comfort-focused design without the premium pricing. Each mattress is built with durable materials and thoughtful engineering to support healthy sleep habits night after night. Pair a Sierra Sleep mattress with one of our bed frames, foundations, or adjustable bases for a complete sleep setup. Visit our mattress showroom in Libby to try Sierra Sleep mattresses in person and compare comfort levels side by side. Shop in store or online with delivery and financing available. Financing options available.

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10 Inch Chime Memory Foam Mattress in a Box image
$459.00 - $799.00
$459.00 - $799.00
$459.00
$409.00 - $719.00
$409.00 - $719.00
$409.00

10 Inch Chime Memory Foam Mattress in a Box

Enjoy endless possibilities for restful sleep with this California king mattress. Soothing memory foam contours to your body, while a thick layer o...

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$459.00 - $799.00
$459.00 - $799.00
$459.00
$409.00 - $719.00
$409.00 - $719.00
$409.00
10 Inch Chime Elite 2.0 Mattress image
$559.00 - $1,079.00
$559.00 - $1,079.00
$559.00
$499.00 - $969.00
$499.00 - $969.00
$499.00

10 Inch Chime Elite 2.0 Mattress

Stretch out and let the cares of the day fade away. This firm twin mattress is crafted for modern comfort and convenience, with layers of refreshin...

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$559.00 - $1,079.00
$559.00 - $1,079.00
$559.00
$499.00 - $969.00
$499.00 - $969.00
$499.00
12 Inch Chime Elite 2.0 Mattress image
$689.00 - $1,279.00
$689.00 - $1,279.00
$689.00
$619.00 - $1,149.00
$619.00 - $1,149.00
$619.00

12 Inch Chime Elite 2.0 Mattress

Stretch out and let the cares of the day fade away. This plush California king mattress is crafted for modern comfort and convenience, with layers ...

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$689.00 - $1,279.00
$689.00 - $1,279.00
$689.00
$619.00 - $1,149.00
$619.00 - $1,149.00
$619.00
12 Inch Memory Foam Mattress image
$549.00 - $969.00
$549.00 - $969.00
$549.00
$489.00 - $869.00
$489.00 - $869.00
$489.00

12 Inch Memory Foam Mattress

When it comes to your comfort, discover this ultra-plush 12-inch mattress. Its thick layer of memory foam conforms to your body, delivering amazing...

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$549.00 - $969.00
$549.00 - $969.00
$549.00
$489.00 - $869.00
$489.00 - $869.00
$489.00
14 Inch Chime Elite 2.0 Mattress image
$1,479.00
$1,479.00 - $1,479.00
$1,479.00
$1,329.00
$1,329.00 - $1,329.00
$1,329.00

14 Inch California King Chime Elite 2.0 Mattress

Stretch out and let the cares of the day fade away. This ultra-plush California king mattress is crafted for modern comfort and convenience, with l...

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$1,479.00
$1,479.00 - $1,479.00
$1,479.00
$1,329.00
$1,329.00 - $1,329.00
$1,329.00
8 Inch Memory Foam Mattress image
$739.00
$739.00 - $739.00
$739.00
$659.00
$659.00 - $659.00
$659.00

8 Inch California King Memory Foam Mattress

When it comes to your comfort, discover this 8-inch mattress. Its thick layer of memory foam conforms to your body, delivering amazing support, pre...

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$739.00
$739.00 - $739.00
$739.00
$659.00
$659.00 - $659.00
$659.00
$489.00 - $729.00
$489.00 - $729.00
$489.00
$439.00 - $649.00
$439.00 - $649.00
$439.00

Chime 12 Inch Memory Foam Mattress in a Box

When it comes to your comfort, discover this 12-inch full mattress. Its thick layer of memory foam contours to your body, delivering amazing suppor...

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$489.00 - $729.00
$489.00 - $729.00
$489.00
$439.00 - $649.00
$439.00 - $649.00
$439.00
$379.00 - $689.00
$379.00 - $689.00
$379.00
$339.00 - $619.00
$339.00 - $619.00
$339.00

Chime 8 Inch Memory Foam Mattress in a Box

When it comes to your comfort, discover this 8-inch king mattress. Its memory foam contours to your body, delivering amazing support, pressure reli...

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$379.00 - $689.00
$379.00 - $689.00
$379.00
$339.00 - $619.00
$339.00 - $619.00
$339.00
$369.00 - $469.00
$369.00 - $469.00
$369.00
$329.00 - $419.00
$329.00 - $419.00
$329.00

iKidz Coral Mattress and Pillow

Sleep soundly knowing your kids do, too. This twin mattress provides the rest they need to navigate the day, from schooltime to playtime. No need t...

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$369.00 - $469.00
$369.00 - $469.00
$369.00
$329.00 - $419.00
$329.00 - $419.00
$329.00
$369.00
$369.00 - $369.00
$369.00
$329.00
$329.00 - $329.00
$329.00

iKidz Ocean Mattress and Pillow

Sleep soundly knowing your kids do, too. This twin mattress provides the rest they need to navigate the day, from schooltime to playtime. No need t...

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$369.00
$369.00 - $369.00
$369.00
$329.00
$329.00 - $329.00
$329.00
Limited Edition PT Mattress image
$649.00 - $1,109.00
$649.00 - $1,109.00
$649.00
$579.00 - $999.00
$579.00 - $999.00
$579.00

Limited Edition PT Mattress

Luxury comfort leads to luxury rest. Wake up refreshed and ready to take on the day with this pillow top California king mattress. Packed inside ar...

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$649.00 - $1,109.00
$649.00 - $1,109.00
$649.00
$579.00 - $999.00
$579.00 - $999.00
$579.00
$589.00 - $899.00
$589.00 - $899.00
$589.00
$529.00 - $809.00
$529.00 - $809.00
$529.00

Millennium 2.0 Foam 12 Inch Mattress

Discover the luxury of this memory foam queen mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temper...

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$589.00 - $899.00
$589.00 - $899.00
$589.00
$529.00 - $809.00
$529.00 - $809.00
$529.00
$719.00 - $1,159.00
$719.00 - $1,159.00
$719.00
$639.00 - $1,039.00
$639.00 - $1,039.00
$639.00

Millennium 2.0 Foam 14 Inch Mattress

Discover the luxury of this memory foam queen mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temper...

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$719.00 - $1,159.00
$719.00 - $1,159.00
$719.00
$639.00 - $1,039.00
$639.00 - $1,039.00
$639.00
$1,309.00 - $1,989.00
$1,309.00 - $1,989.00
$1,309.00
$1,179.00 - $1,789.00
$1,179.00 - $1,789.00
$1,179.00

Millennium Cushion Firm Gel Memory Foam Hybrid Mattress

Discover the luxury of this twin XL hybrid mattress. Two layers of temperature-regulating material keep you at a comfortable temperature all night ...

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$1,309.00 - $1,989.00
$1,309.00 - $1,989.00
$1,309.00
$1,179.00 - $1,789.00
$1,179.00 - $1,789.00
$1,179.00
$1,239.00 - $1,959.00
$1,239.00 - $1,959.00
$1,239.00
$1,109.00 - $1,759.00
$1,109.00 - $1,759.00
$1,109.00

Millennium Luxury Gel Memory Foam Mattress

When it comes to your comfort, discover the luxury of this queen gel memory foam mattress. Cooling gel copper-infused memory foam and two layers of...

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$1,239.00 - $1,959.00
$1,239.00 - $1,959.00
$1,239.00
$1,109.00 - $1,759.00
$1,109.00 - $1,759.00
$1,109.00
$439.00 - $779.00
$439.00 - $779.00
$439.00
$389.00 - $699.00
$389.00 - $699.00
$389.00

Peak 2.0 10 Memory Foam Mattress

Pure sleep perfection. With this California king mattress, restorative rest is easier than ever. Its high-density memory foam conforms to your body...

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$439.00 - $779.00
$439.00 - $779.00
$439.00
$389.00 - $699.00
$389.00 - $699.00
$389.00
Peak 2.0 12 Memory Foam Mattress image
$579.00 - $859.00
$579.00 - $859.00
$579.00
$519.00 - $769.00
$519.00 - $769.00
$519.00

Peak 2.0 12 Memory Foam Mattress

Pure sleep perfection. With this twin mattress, restorative rest is easier than ever. Its high-density memory foam conforms to your body, deliverin...

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$579.00 - $859.00
$579.00 - $859.00
$579.00
$519.00 - $769.00
$519.00 - $769.00
$519.00
Peak 2.0 8 Memory Foam Mattress image
$379.00 - $719.00
$379.00 - $719.00
$379.00
$339.00 - $639.00
$339.00 - $639.00
$339.00

Peak 2.0 8 Memory Foam Mattress

Pure sleep perfection. With this twin mattress, restorative rest is easier than ever. Its high-density memory foam conforms to your body, deliverin...

View full details
$379.00 - $719.00
$379.00 - $719.00
$379.00
$339.00 - $639.00
$339.00 - $639.00
$339.00

Sierra Sleep by Ashley — Frequently Asked Questions

Does Managhan's Furniture (Libby, MT) carry Sierra Sleep by Ashley?

Yes. We're proud to carry Sierra Sleep by Ashley — mattresses and sleep essentials — and you'll find its current lineup right here in this collection.

What is Sierra Sleep by Ashley known for?

Sierra Sleep by Ashley is recognized for mattresses and sleep essentials, with a focus on balancing style, everyday comfort, and long-term durability so the pieces hold up to real life.

Is Sierra Sleep by Ashley a good brand?

Sierra Sleep by Ashley is a well-established, widely trusted name — one reason we stock it. The best way to judge fit is to browse this collection and compare the pieces against what you're looking for; contact us if you'd like our take.

Does Sierra Sleep by Ashley come with a warranty?

Yes — Sierra Sleep by Ashley products are backed by the manufacturer's warranty, which covers defects for a period that varies by item. Keep your receipt as proof of purchase and contact us if you ever need to start a claim.

Do you deliver and finance Sierra Sleep by Ashley products?

Yes on both. We offer financing options on qualifying purchases, and we deliver throughout our service area — see our shipping & delivery policy or contact us for a quote.

What if my Sierra Sleep by Ashley item arrives damaged?

Note it on the delivery paperwork, take a few photos, and contact us right away. We'll work with you and Sierra Sleep by Ashley to arrange a repair, replacement, or return under our return policy.

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