- Sleep cooler through the night with DualCool Technology
- Feel supported with 900 Series Pocketed Coils
- Consistent comfort with the BeautyEdge Foam Encased Edge
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Use our pressure test result to see if this is the right mattress for you!
With a soft comfort scale rating, high end comfort materials, and a quality coil system, the Ashley Sierra Sleep Hybrid 1400 Ultra Plush has everything you need to enjoy comfortable sleep.
If you enjoy sleeping on your side, or want a mattress that really conforms to your body, the 1400 is a great way to go. With a comfort scale rating of 8 out of 10 (10 being the softest) this mattress is highly adaptive and provides an enveloping level of comfort.Comforming and Solid Support
The 8 inch power packed coil system provides solid support to the lower back with less motion transfer for undisturbed sleep.Smooth Top Quilt Design
The Smooth Top Quilt puts almost no barrier between your body and the comfort layers, which allows them to fully conform to your body with zero inconsistency.HD Gel Memory Foam
High Density Gel Memory Foam offers superior pressure relief to help reduce tossing and turning, outstanding durability, and helps reduce motion transfer for undisturbed sleep.CertiPUR-US Certified
All Ashley Sleep foams are independently tested and certified to meet or exceed the higest quality standards.Great For Hybrid Lovers
If you want the conforming comfort of memory foam with the support of an innerpsring, and enjoy a softer level of comfort, the Ashley Sierra Sleep Hybrid 1400 is a great choice!
Your mattress purchase is fully compatible with all modern support systems, including adjustable base, platform bed, box spring/foundation, even the floor!
We test and measure body pressure on each mattress using sophisticated technology. We then provide you a personal recommendation.Learn More »
See how far you'll sink into our mattresses - see how they'll feel. With our Comfort Depth measurements you'll know how a mattress will feel.Learn More »
Our contactless delivery helps keep you and delivery personnel safe!
Please note that furniture and bedding deliver separately from your mattress order. Remote locations can experience longer lead times.
California Residents: This product complies with state regulations including mattress removal. Learn more