Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Plank Firm
Brooklyn Bedding Signature
Comfort
8/10
9.1/10
Support
9.5/10
9.4/10
Cooling
8.5/10
9/10
Edge Support
9/10
9.1/10
Motion Isolation
8.5/10
8.9/10
Durability
9.2/10
9.2/10
Value
8.8/10
9.5/10
Quick Specs Comparison
Spec
Plank Firm
Brooklyn Bedding Signature
Price (Queen)
$749
$749
Type
Hybrid
Hybrid
Firmness
9/10
6/10
Height
11.5 inches
11.5 inches
Trial
120 nights
120 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Plank Firm
- Flippable design - two firmness options
- Excellent for stomach sleepers
- Great spinal alignment
Why Choose Brooklyn Bedding Signature
- Three firmness options (Soft, Medium, Firm)
- Excellent value - factory direct pricing
- Great for back pain relief
Lab Verdict
Cooling was a wash — both mattresses landed within half a degree of each other after 60 minutes of body heat. Brooklyn Bedding Signature isolated motion better for couples (0.1g vs. 0.13g on the Plank Firm). The Brooklyn Bedding Signature relieved more shoulder pressure for side sleepers (31 mmHg vs. 38 mmHg). Perimeter compression was nearly identical — neither bed is the obvious pick on edge support alone. Responsiveness was comparable; repositioning effort should feel similar on either.
| Metric | Plank Firm | Brooklyn Bedding Signature | Edge |
|---|---|---|---|
| Cooling (60-min Δ°F) | 3.5°F | 3.1°F | Brooklyn Bedding Signature |
| Motion isolation (g) | 0.13g | 0.1g | Tie |
| Edge sinkage | 2" | 1.9" | Brooklyn Bedding Signature |
| Shoulder pressure (mmHg) | 38 mmHg | 31 mmHg | Brooklyn Bedding Signature |
| Response time (s) | 0.5s | 0.5s | Tie |
| Off-gassing | 2 days | 1 days | Brooklyn Bedding Signature |
Median of 3 trials, 68°F climate-controlled lab. DH/NL / DH/NL · scoring vv2.1.