by Quick answer: Plank is worth it if you genuinely want an ultra-firm, flat sleep surface — stomach sleepers and firm-feel devotees love it. It's not worth it for side sleepers or anyone unsure about firmness, because even its "softer" side is firmer than most beds on the market.
By the MattressNut editorial team · Updated June 2026
Is Plank Worth It? The Short Answer
Plank Firm, from Brooklyn Bedding, is a specialist tool. It's a flippable all-foam bed with a firm side and an extra-firm side, built for people who actively want a hard, flat surface — and it's won firm-mattress awards for exactly that. If that's you, it's excellent value. If you're not certain you want ultra-firm, the odds it's too hard for you are high.
What You're Paying For
| Factor | Detail |
|---|---|
| Price positioning | Budget to mid-range (check current pricing) |
| Mattress type | Flippable all-foam, firm side and extra-firm side |
| Sleep trial | 120-night trial (30-night break-in; $99 return fee) |
| Warranty | Lifetime warranty (recently updated; some sources still cite 10 years) |
| Best for | Stomach sleepers and back sleepers who want a firm, flat surface |
| Biggest weak spot | Too firm for most side sleepers; no plush option |
Where It's Worth It
For the firm-feel crowd, Plank is one of the few beds that actually delivers. The flippable design gives you two levels of firm in one mattress, so you can fine-tune how hard you want it. Stomach sleepers get the flat support that keeps the hips from sinking and the spine aligned, and the all-foam build keeps the price reasonable. It has the awards and the audience to back up the niche.
Where It Falls Short
This is the opposite of a universal bed. Side sleepers usually need cushioning at the shoulder and hip, and even Plank's firmer-than-average "soft" side tends to create pressure points for them. There's no plush configuration, so if your firmness preference is even slightly off, neither side will fix it. The trial also carries a 30-night break-in and a $99 return fee, so an unsure buyer pays to find out they guessed wrong.
The Saatva Alternative
If you want firm support but aren't sure ultra-firm is right, the Saatva Classic is the safer bet. It comes in three firmness options, including a Firm, so you can get supportive without committing to a near-floor feel. It also pairs a longer 365-night trial with a lifetime warranty and free white-glove delivery plus old-mattress removal, which lowers the risk of buying firm and regretting it.
See if the Saatva Classic is the better buy
The Verdict
Plank is worth it for the shopper who knows they want ultra-firm and sleeps on their back or stomach — for them it's a standout. For everyone else, especially side sleepers and the firmness-undecided, the Saatva Classic's three-firmness flexibility is the smarter, lower-risk buy.
Bottom line: Worth it if ultra-firm is the goal, but the wrong bed if you're a side sleeper or unsure about firmness.
Related: our full Saatva mattress review.