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Plank Firm Luxe: The Must-Have Firmest Mattress of 2025

Picture of Ben Trapskin

Ben Trapskin

I have carefully studied and evaluated many mattresses, sheets, pillows, duvet inserts, comforters, sleep gadgets, and adjustable beds for over a deca... Full Bio
A cozy bedroom features a plush, quilted mattress labeled "Yawnder." The room is softly lit by natural light from large windows, with a mix of pillows and a draped blanket enhancing the inviting atmosphere.

Plank Firm Luxe: Is It the Firmest Mattress Out There?

The Plank Firm Luxe has caught the attention of many in 2025 for its innovative flippable design, providing two distinct firmness levels: Medium-Firm and Extra-Firm. This unique feature caters to varying sleep preferences and creates a customizable sleep experience like no other. Below, we’ll take a deep dive into the outstanding features of the Plank Firm Luxe, its performance, and how it compares to its competitors.

Overview of Plank Firm Luxe

Crafted by Brooklyn Bedding, the Plank Firm Luxe combines modern hybrid technology with traditional principles of support, similar to sleeping on firm pads found in various cultures. Its dual firmness provides options for individuals who prioritize back health and posture, making it a top recommendation from the American Chiropractic Association. Furthermore, for those concerned about overheating at night, the mattress also comes with optional cooling technology, ensuring a comfortable temperature all night long.

Key Features of the Plank Firm Luxe

Firmness Levels

One of the most notable aspects of the Plank Firm Luxe is its two firmness options, making it a flexible choice for diverse sleepers:

Firm Side: Rated an 8 on the firmness scale, this side offers a robust, supportive feel while retaining a slight softness. It’s ideal for sleepers who enjoy firm support but don’t want a completely rigid surface.

Extra-Firm Side: With a rating of 9, this side caters to those who seek the firmest sleep experience available. Perfect for back and stomach sleepers, it delivers maximum support and is particularly beneficial for individuals with back pain.

The concept of dual firmness not only enhances the mattress’s versatility but also draws inspiration from minimalist sleeping practices prevalent in various parts of Asia, where a firmer base is believed to improve spinal alignment.

Construction and Materials

The craftsmanship behind the Plank Firm Luxe is impressive. As a hybrid mattress, it merges the benefits of foam and coil technology:

TitanFlex Foam: This responsive layer adapts quickly to changing sleep positions, offering both comfort and durability.

High-Density Support Foam: Positioned beneath the TitanFlex foam, this layer adds structural support, ensuring the mattress holds up over time.

Pocketed Coils: The core utilizes individually encased coils that enhance support and longevity while minimizing motion transfer, making it suitable for couples.

Quilted Cover: The soft, quilted exterior adds a touch of plushness and elevates overall comfort without compromising firmness.

Cooling Options: For those with nighttime overheating concerns, the Plank Firm Luxe can be equipped with a GlacioTex cooling cover, designed to regulate temperature effectively.

Together, these materials create a formidable and supportive sleep surface that meets the needs of firmness-seeking sleepers.

Performance Evaluation

Edge Support

The Plank Firm Luxe excels in edge support, an essential feature for those who prefer to sit or sleep near the edge of the bed. Its high-density foam base ensures stability, preventing excessive sinkage and allowing full utilization of the bed’s width.

Sitting Sinkage: Minimal, thanks to its firm construction.

Lying Support: Consistent across the surface, it retains its shape and firmness, enabling you to maximize the space.

Motion Isolation

While the Plank Firm Luxe performs admirably in many areas, motion isolation could be improved, especially for those sensitive to movement during the night.

Acceleration Range: Testing recorded a motion transfer rate slightly above average, meaning restless partners might disturb your sleep. However, the firm side shows better motion isolation compared to the extra-firm side.

Temperature Regulation

The hybrid design is advantageous for hot sleepers, as pocketed coils enhance airflow and promote efficient heat dissipation. The optional cooling cover further assists in temperature management.

Heat Dissipation: Most heat is released within three minutes after lying on it, allowing for a cooler sleeping experience.

Plank Firm Luxe vs. Competitors

When evaluating the Plank Firm Luxe in comparison to its competitors, such as the Plank Firm, Titan Plus, Saatva Classic, and Layla Hybrid, it stands out due to its unique dual firmness feature:

Plank Firm Luxe vs. Plank Firm

While both mattresses share the same brand heritage, they differ significantly in construction. The Luxe’s hybrid design provides enhanced support through pocketed coils, whereas the Plank Firm is purely foam.

Plank Firm Luxe vs. Titan Plus

The Titan Plus is explicitly designed for heavier sleepers, providing extra durability and support. While both cater to those requiring firm support, the Titan Plus offers specific features that may suit plus-size individuals better.

Other Competitors

The Saatva Classic offers luxury with its three firmness levels, while the Layla Hybrid provides a softer side, making it versatile.

Frequently Asked Questions about Plank Firm Luxe

How firm is the Plank Firm Luxe?
This mattress is highly rated for its firmness, featuring a flippable design with one side at 8/10 and the other at 9/10 on the firmness scale.

Is the Plank Firm Luxe suitable for side sleepers?
While it excels at providing firm support, side sleepers might need more cushioning as pressure can build on key areas. The slightly softer Firm side may provide relief, but alternatives may be worth exploring for those needing extra comfort.

How long does the Plank Firm Luxe last?
Built with durable materials, the Plank Firm Luxe should last between seven to ten years, supported by a 10-year warranty.

Conclusion

At Yawnder, our mission is to guide you in making informed choices for your sleep wellbeing. The Plank Firm Luxe distinguishes itself as one of the firmest mattresses available, particularly appealing to back and stomach sleepers. Its innovative flippable design accommodates various preferences, while its robust construction ensures durability.

If you’re seeking a firm mattress that combines support with modern technology, the Plank Firm Luxe could be an excellent choice. However, if more cushioning is essential for your sleep style, consider exploring other options.

We invite you to browse our extensive Yawnder mattress collection, ensuring you find the perfect fit for your unique sleeping needs. Whatever your requirements—be it cooling properties, motion isolation, or simply a bed that offers the extra firmness you crave—the Plank Firm Luxe stands as a compelling option worth considering.

author avatar
Ben Trapskin
I have carefully studied and evaluated many mattresses, sheets, pillows, duvet inserts, comforters, sleep gadgets, and adjustable beds for over a deca... Full Bio

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