Verdict: The Layla Hybrid is more versatile for households with different preferences; the Plank Firm is the better choice for firm-preference and stomach sleepers.
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Winner: Layla Hybrid
Layla Hybrid: 7.1/10
Plank Firm By Brooklyn Bedding: 6.5/10
Spec-by-spec comparison
Layla Hybrid
Plank Firm By Brooklyn Bedding
Profile Height
13 inches
14 inches
Side 1 Firmness
Soft (~3/10)
Firm (~7/10)
Side 2 Firmness
Firm (~7/10)
Ultra-Firm (~9/10)
Comfort Foam
Copper-infused memory foam
TitanFlex (latex-like)
Trial Period
120 nights
120 nights
Warranty
Lifetime
10 years
Layla Hybrid
What works
Dual sides cover Soft and Firm — one mattress for two different sleeper preferences
Lifetime warranty on a dual-sided mattress is exceptional value
Copper-infused foam with documented antimicrobial properties
What doesn't
Soft side memory foam retains more heat than Plank's TitanFlex foam
120-night trial — adequate but not exceptional
The soft side may be too soft for average back sleepers who flip to it accidentally
Plank Firm By Brooklyn Bedding
What works
Ultra-Firm side at ~9/10 is nearly impossible to find from mainstream brands
TitanFlex foam breathes better than Layla's memory foam for warm stomach sleepers
Brooklyn Bedding's in-house manufacturing ensures construction consistency
What doesn't
Both sides are firm-to-ultra-firm — no option for softer preferences
10-year warranty is shorter than Layla's lifetime coverage
Narrower applicability — not suitable for side sleepers on either surface