Ashley Sierra Sleep Mount Dana Limited Firm Mattress Review

Updated November 10, 2022

The Sierra Sleep Mount Dana Limited Firm by Ashley has a firm feel.  Its premium materials give you firm support and excellent body contouring. If you're considering this bed for your next mattress we've reviewed its features for you here:

Comfort Scale Rating

The Sierra Sleep Mount Dana Limited Firm mattress feels firm and supportive; we rate it a 3 on our 10 point Comfort Scale (1 is hard, 10 is softest). A firm feeling bed like this one appeals to someone who wants a firm - but not hard - comfort to their mattress.  If you prefer a softer feeling mattress then you should consider a different model. There is a medium and a plush option if that works better.

Pros & Cons

PROS CONS
  • Several layers of gel memory and high-density foams
  • Individually power-packed coils conform to your body's shape
  • Minimal motion transfer
  • Easy and quick shipping
  • Firm feel may not appeal to someone who prefers a softer feel
  • Can take a few days to fully expand to standard size once opened
  • Bed-in-a-box can be very heavy and difficult to move alone

You can save 10% off your purchase price of a new Mt. Dana by using coupon code ASHREVIEW10!


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Pressure Test Results

We received and tested the Sierra Sleep Mount Dana Limited Firm mattress and we’ll publish our results soon. We tested it with petite, average, and large body size people on their side and back sleeping positions to see what kind of support and comfort you can expect. (Learn how we test.) 

We use pressure tests to see how the mattress will perform in different sleeping positions with various body sizes. Testing allows us to determine if there are excess pressure points or areas that lack good support. Pressure points or lack of support are bad because they can interrupt sleep causing you to wake up tired or with back pain. 

Below is a sample of what a pressure test looks like and we’ll update this review with images once testing is complete.

BACK SLEEPER SIDE SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Large side sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Average side sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite back sleeper heatmap Avg Pressure: mmHg - Area: inches2 Petite side sleeper heatmap Avg Pressure: mmHg - Area: inches2
BACK SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large back sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average back sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite back sleeper heatmap Avg Pressure: mmHg - Area: inches2
SIDE SLEEPER
LARGE PEOPLE Largest 10% of adults 210-273 lbs Large side sleeper heatmap Avg Pressure: mmHg - Area: inches2
AVERAGE PEOPLE Middle 50% of adults 134-218 lbs Average side sleeper heatmap Avg Pressure: mmHg - Area: inches2
PETITE PEOPLE Smallest 10% of adults 111-135 lbs Petite side sleeper heatmap Avg Pressure: mmHg - Area: inches2

The Main Ashley Sierra Sleep Mount Dana Firm Features in Detail

Sierra Sleep Mount Dana Limited Firm Cutaway

  1. 1. 1/2" Gel Memory Foam Lumbar Support 

    The high-density gel memory foam in this mattress conforms to your body’s shape for excellent support in the lower portion of your back.  This helps to align your spine properly for outstanding pressure relief.

  2. 2. 2" High-Density Firm Zoned Sculpted Pressure Relief Foam

    Zoned sculpted foam conforms to the curves of your body providing pressure point relief.  This helps you to avoid tossing and turning at night for a more restful sleep throughout the night.

  3. 3. 2" High-Density Firm Upholstery Grade Foam

    Upholstery-grade foam is a standard comfort material used in many furniture applications throughout the industry.  It allows you to sink into the mattress slightly while also providing firm support for extra pressure-relieving benefits.

  4. 4. Power-Packed Individually Wrapped Coil System

    The power-packed coil system uses individually wrapped coils that contour to your body's unique shape better than traditional units. A power-packed coil means that each coil is compressed down before it is wrapped in fabric making the coils feel more consistent. 

 

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Warranty

The Sierra Sleep Mount Dana Limited Firm mattress has a 10-year warranty against factory defects.

Conclusion

The Ashley Sierra Sleep Mount Dana Limited Firm mattress is a firm-feeling bed that has many layers of conforming support. You should only consider this bed an option if you want a firm feel while you sleep. Anyone wanting something soft should consider a different mattress. There is a medium and a plush option if a firm mattress does not suit you. 

This firm mattress is packed with premium comfort materials. Gel Memory Foam, Individually Wrapped Power-Packed coils and Zoned Sculpted Pressure Relief Foam to only name a few. This mattress is the firmest of the three Mount Dana models offered by Ashley Mattress. It measures 15" tall which is a thick mattress, and you should probably put it on top of a low-profile foundation to make it easier to get into bed.

The low cost and the easy, fast shipping are also benefits of this mattress. This bed gets compressed and rolled into a 20" X 20" box that ships to your house within a week in most cases. My opinion of this mattress is that a firm bed with these comfort materials and features at this price is a hard deal to beat. Most competitors' models with similar features will usually cost significantly more money.


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Sierra Sleep Mount Dana Limited Firm Mattress Specifications:

Product Name
Price
Brand
Sierra Sleep by Ashley
Mattress Comfort
Firm
Comfort Scale Number
3
Coil Count 720
Coil Gauge
15
Height
15"
Comfort Padding Layers
  • 2" High-Density Firm Upholstery Grade Body Foam
  • 1/2" High-Density 3 lb. Gel Memory Foam Lumbar Support
Warranty
  • 10-year warranty against manufacturer's defects
  • No Flip, No Rotate
  • Non-prorated
Back Support System
  • 720 Power-Packed 15 Gauge Individually Wrapped Coils
Quilt Top of Mattress
  • 3/4” High-Density Quilted Foam
  • 2" High-Density Zoned Sculpted Pressure Relief Foam
Edge Support
  • The Ashley Edge
Recommended For Side Sleepers Who Weigh
  • coming soon
Recommended For Back Sleepers Who Weigh
  • coming soon

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About The Author Dave Higgins

Dave has worked in the furniture business, focusing on mattresses, for over six years.  He enjoys oil painting in the Impressionist style, playing guitar, and cooking for his family.  Dave also believes that English Bulldogs are the comedians of the canine world.