Polysleep Sierra vs Vaya
These two are close substitutes on paper — the spec table below shows where they differ. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-09-04.
Polysleep Sierra vs Vaya: full spec table
| Spec | Polysleep Sierra | Vaya |
|---|---|---|
| Type | Foam | Foam |
| Firmness | 6/10 | 6/10 |
| Height | 9" | 12" |
| Queen price | $795 | $799 |
| Price range (all sizes) | $695–$895 | $549–$999 |
| Foam densities (lb/ft³, top → bottom) | 3.0 / 1.4 | 2.0 / 2.0 / 1.8 |
| Coil gauge | — | — |
| Coil count (queen) | — | — |
| Cooling | 5/10 | 5/10 |
| Motion isolation | 7/10 | 7/10 |
| Edge support | 5/10 | 5/10 |
| Pressure relief | 8/10 | 7/10 |
| Support | 6/10 | 6/10 |
| Natural materials | 2/10 | 2/10 |
| Notable features | Entry-level all-foam bed, 3 PCF comfort foam, Simple two-layer build, Lowest Polysleep price | Simple two-foam budget bed, Airy responsive comfort foam, 12" all-foam build, Standout price-to-comfort ratio |
| Spec source | NapLab | NapLab |
Key differences
- On the published specs these two are close substitutes — similar firmness, price, and construction. Decide on current price, trial length, and returns policy.
Who the Polysleep Sierra is for
The Polysleep Sierra has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
Who the Vaya is for
The Vaya has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
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Frequently asked questions
Which is firmer, the Polysleep Sierra or the Vaya?
They rate the same: both are a 6/10 on the firmness scale, a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
Which is cheaper, the Polysleep Sierra or the Vaya?
The Polysleep Sierra is cheaper in a queen: $795 versus $799, as of 2026-09-04.
What is the main construction difference between the Polysleep Sierra and the Vaya?
Both are foam builds with similar published specs — the differences come down to feel and price rather than construction. The full layer-by-layer comparison is in the table above.
See how both stack up against every bed we track in the full comparison matrix, or dig into the complete specs for the Polysleep Sierra and the Vaya.