Skip to content
Montgomery OverStock is a wonderful place to shop and they make sure they assist you in every way possible. Thanks!!!!
Love them! I’ve bought a few pieces of furniture and I’ve always had a great experience. Special thanks to Alaiia for...
Read More Reviews At:
Google
(334) 221-8108 Montgomery (205) 582-2381 Birmingham
(334) 221-8108 Montgomery (205) 582-2381 Birmingham
About Us Contact Us Financing Refund Policy Privacy Policy Terms of Service FAQ Mattress Buying Guide Our Blog Birmingham, AL

ALL OUTDOOR TAKE AN EXTRA 20% OFF - THIS WEEK ONLY. DISCOUNT APPLIED AT CHECKOUT

Discount applies automatically when you add items to your cart!

Sierra Sleep by Ashley

Shop the Sierra Sleep collection at Bama Overstock in Montgomery, AL. 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 Montgomery 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.

Filters

Filter

Refine

view all

Type

Brand

Price

Bed Size

clear

Color

Consumer Assembly

Material

Product Video

Seat Count

Shipping

Style

Sub Brand

Top Products

Collection

clear
$
$
Cosmic Power Base Adjustable Base image Save up to 23% Save %
$675.57 - $830.96
$675.57 - $830.96
$675.57
$519.67 - $639.20
$519.67 - $639.20
$519.67

Cosmic Power Base Adjustable Base

Take sleep to a whole new level with this queen power base offering adjustable head and foot positioning. With the touch of a button, smoothly rais...

View full details
$675.57 - $830.96
$675.57 - $830.96
$675.57
$519.67 - $639.20
$519.67 - $639.20
$519.67
Save up to 23% Save %
Limited Edition Firm Mattress image Save up to 23% Save %
$433.49 - $868.10
$433.49 - $868.10
$433.49
$333.45 - $667.77
$333.45 - $667.77
$333.45

Limited Edition Firm Mattress

Luxury comfort leads to luxury rest. Wake up refreshed and ready to take on the day with this firm twin XL mattress. Packed inside are layers of su...

View full details
$433.49 - $868.10
$433.49 - $868.10
$433.49
$333.45 - $667.77
$333.45 - $667.77
$333.45
Save up to 23% Save %
Save up to 23% Save %
$1,104.55 - $1,751.97
$1,104.55 - $1,751.97
$1,104.55
$849.65 - $1,347.67
$849.65 - $1,347.67
$849.65

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...

View full details
$1,104.55 - $1,751.97
$1,104.55 - $1,751.97
$1,104.55
$849.65 - $1,347.67
$849.65 - $1,347.67
$849.65
Save up to 23% Save %
Save up to 23% Save %
$1,180.00 - $1,785.76
$1,180.00 - $1,785.76
$1,180.00
$907.69 - $1,373.66
$907.69 - $1,373.66
$907.69

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 ...

View full details
$1,180.00 - $1,785.76
$1,180.00 - $1,785.76
$1,180.00
$907.69 - $1,373.66
$907.69 - $1,373.66
$907.69
Save up to 23% Save %
Save up to 23% Save %
$1,541.41 - $2,124.66
$1,541.41 - $2,124.66
$1,541.41
$1,185.70 - $1,634.35
$1,185.70 - $1,634.35
$1,185.70

Millennium Luxury Plush Gel Latex Hybrid Mattress

Discover the luxury of this hybrid plush mattress. A layer of cooling gel latex and two layers of temperature-regulating material keep you at a com...

View full details
$1,541.41 - $2,124.66
$1,541.41 - $2,124.66
$1,541.41
$1,185.70 - $1,634.35
$1,185.70 - $1,634.35
$1,185.70
Save up to 23% Save %
Save up to 23% Save %
$520.18 - $805.04
$520.18 - $805.04
$520.18
$400.14 - $619.26
$400.14 - $619.26
$400.14

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...

View full details
$520.18 - $805.04
$520.18 - $805.04
$520.18
$400.14 - $619.26
$400.14 - $619.26
$400.14
Save up to 23% Save %
Save up to 23% Save %
$631.64 - $1,040.39
$631.64 - $1,040.39
$631.64
$485.88 - $800.30
$485.88 - $800.30
$485.88

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...

View full details
$631.64 - $1,040.39
$631.64 - $1,040.39
$631.64
$485.88 - $800.30
$485.88 - $800.30
$485.88
Save up to 23% Save %
Save 23% Save %
$916.53
$916.53 - $916.53
$916.53
$705.02
$705.02 - $705.02
$705.02

Millennium 2.0 Hybrid 12 Inch Mattress

Discover the luxury of this hybrid California king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable t...

View full details
$916.53
$916.53 - $916.53
$916.53
$705.02
$705.02 - $705.02
$705.02
Save 23% Save %
Save up to 23% Save %
$684.57 - $1,056.15
$684.57 - $1,056.15
$684.57
$526.59 - $812.42
$526.59 - $812.42
$526.59

Millennium 2.0 Hybrid 14 Inch Mattress

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

View full details
$684.57 - $1,056.15
$684.57 - $1,056.15
$684.57
$526.59 - $812.42
$526.59 - $812.42
$526.59
Save up to 23% Save %
Save up to 23% Save %
$846.72 - $1,334.24
$846.72 - $1,334.24
$846.72
$651.32 - $1,026.34
$651.32 - $1,026.34
$651.32

Millennium 2.0 Hybrid 16 Inch Mattress

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

View full details
$846.72 - $1,334.24
$846.72 - $1,334.24
$846.72
$651.32 - $1,026.34
$651.32 - $1,026.34
$651.32
Save up to 23% Save %

Sierra Sleep by Ashley — Frequently Asked Questions

Does Montgomery Overstock (AL) - Multi Location 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.

5 Stars
Top Rated
Delivery Available
Payment Options Available