Plank Extra Firm Luxe vs Novosbed: Which Mattress Is Better?

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Products

Plank Extra Firm Luxe

early access

Novosbed

Tested using Methodology v1.1

Updated Feb 06, 2026 04:20 PM

This review is in Early access

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Amazon.com

Tested using Methodology v1.2

Updated Apr 01, 2026 03:05 PM

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Novosbed

Mattress Type Hybrid

Bed-In-A-Box Yes

Upper Comfort Foam @ LumbarN/A

Firmness Level Firm (96 Pa/mm)

Mattress Type Foam

Bed-In-A-Box Yes

Upper Comfort Foam @ LumbarMemory Foam

Firmness Level Firm (101 Pa/mm)

Our Verdict

Plank Extra Firm Luxe

Novosbed

Full comparison details regarding individual product score sets can be found in the section below

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Variants

Extra Firm Luxe (Queen)

Novosbed (Queen (Firm))

Review

See Plank Extra Firm Luxe Review

See Novosbed Review

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Queen

Extra Firm Luxe

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Amazon.com

Queen (Firm)

Novosbed

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Novosbed

Notice: Two or more of the products being compared have been tested with different test methodologies. Some of the results aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our mattresses test methodology.

Threshold

0.10

Side Sleeping

0.0

4.9

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Side Sleeping

0.0

4.9

Back Sleeping

0.0

7.0

Stomach Sleeping

0.0

7.6

Longevity

0.0

6.2

Pressure Relief

0.0

4.6

Support

0.0

7.7

Cooling

0.0

7.8

Motion Dissipation

0.0

7.8

Responsiveness

0.0

7.5

Design

Style

Style Picture

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Mattress Type

Locked

Foam

Bed-In-A-Box

Locked

Yes

Quilted Top Layer

Locked

Grab Handles

Locked

Thickness

Lock cm (Lock")

29.3 cm (11.5")

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Performance

Firmness

Head/Feet Firmness

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Lumbar Firmness

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Firmness Video

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Normalized Stiffness @ Head/Feet

Lock Pa/mm

102 Pa/mm

Normalized Stiffness @ Lumbar

Lock Pa/mm

101 Pa/mm

Firmness Level

Locked

Firm (101 Pa/mm)

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Body Conformity

N/A

4.1

Shoulder Indentation vs. Body Weight

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Novosbed Shoulder Indentation vs. Body Weight

Indent @ 50 kg (110 lb)

Lock mm (Lock")

23 mm (0.9")

Indent @ 80 kg (176 lb)

Lock mm (Lock")

34 mm (1.3")

Indent @ 110 kg (242 lb)

Lock mm (Lock")

51 mm (2.0")

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Support

N/A

7.7

Pelvis Indentation vs. Body Weight

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Novosbed Pelvis Indentation vs. Body Weight

Indent Difference @ 50 kg (110 lb)

Lock mm (Lock")

7 mm (0.3")

Indent Difference @ 80 kg (176 lb)

Lock mm (Lock")

12 mm (0.5")

Indent Difference @ 110 kg (242 lb)

Lock mm (Lock")

21 mm (0.8")

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Bounciness

N/A

5.3

Bounciness Video

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Maximum Rebound Height

Lock cm (Lock")

6.0 cm (2.4")

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Comfort Layers Envelopment

N/A

6.7

Sinking & Contouring Picture

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Sinking Depth

Lock cm (Lock")

3.3 cm (1.3")

Diameter Of Distortion

Lock cm (Lock")

21.6 cm (8.5")

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Responsiveness

N/A

8.1

Responsiveness Video

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Response Time

Lock s

0.9 s

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Motion Isolation

N/A

7.8

Motion Isolation Video

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Head/Feet Motion Isolation

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Preview Graph

Lumbar Motion Isolation

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Preview Graph

Peak Acceleration @ Head/Feet

Lock g

0.56 g

Dissipation Time @ Head/Feet

Lock s

0.30 s

Peak Acceleration @ Lumbar

Lock g

5.69 g

Dissipation Time @ Lumbar

Lock s

0.27 s

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Edge Support

N/A

8.8

Naturalistic Loading Pad Video

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Naturalistic Loading Pad

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Preview Graph

Small Platen

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Naturalistic Loading Pad Indentation

Lock mm

119 mm

Small Platen Indentation @ 0 mm From Edge

Lock mm

125 mm

Small Platen Indentation @ 150 mm From Edge

Lock mm

106 mm

Increased Indentation @ Mattress Edge

Lock mm

20 mm

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Cooling

N/A

7.8

Cooling Graph

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Energy Transferred Over 1st Hour

Lock kJ

68 kJ

Energy Transferred Over 8 Hours

Lock kJ

154 kJ

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Components

Cover

Cover Picture

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Sleeping Surface Material

Locked

Polyester, Tencel, Rayon, Silica, Modacrylic, Lycra

Removable

Locked

Yes

Machine Washable

Locked

Yes

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Edge Construction

Edge Support Picture

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Edge Component

Locked

None

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Foam Layer Material

Foam Layer Material Picture

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Quilted Top Fill

Locked

N/A

Upper Comfort Foam @ Head/Feet

N/A

Memory Foam

Upper Comfort Foam @ Lumbar

N/A

Memory Foam

Lower Comfort Foam @ Head/Feet

N/A

Memory Foam

Lower Comfort Foam @ Lumbar

N/A

Memory Foam

Transition Foam

Locked

Memory Foam

Support Foam

N/A

Polyfoam

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Foam Layer Mass Density

N/A

6.2

Quilted Top Fill

Lock kg/m³ (Lock lb/cu.ft.)

N/A

Quilted Top Fill Foam Density vs. Reference

Lock

N/A

Upper Comfort Foam @ Head/Feet

N/A

70 kg/m³ (4.3 lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference

N/A

1.1

Upper Comfort Foam @ Lumbar

N/A

70 kg/m³ (4.3 lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference

N/A

1.1

Lower Comfort Foam @ Head/Feet

N/A

40 kg/m³ (2.5 lb/cu.ft.)

Lower Comfort Foam @ Head/Feet Density vs. Reference

N/A

0.6

Lower Comfort Foam @ Lumbar

N/A

40 kg/m³ (2.5 lb/cu.ft.)

Lower Comfort Foam @ Lumbar Density vs. Reference

N/A

0.6

Transition Foam

Lock kg/m³ (Lock lb/cu.ft.)

42 kg/m³ (2.6 lb/cu.ft.)

Transition Foam Density vs. Reference

Lock

0.7

Support Foam

N/A

28 kg/m³ (1.7 lb/cu.ft.)

Support Foam Density vs Reference

N/A

0.9

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Foam Layer Thickness

Foam Layer Thickness Picture

SAMPLE

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Quilted Top

Lock cm (Lock")

N/A

Upper Comfort Foam @ Head/Feet

N/A

2.2 cm (0.9")

Upper Comfort Foam @ Lumbar

N/A

2.2 cm (0.9")

Lower Comfort Foam @ Head/Feet

N/A

2.2 cm (0.9")

Lower Comfort Foam @ Lumbar

N/A

2.2 cm (0.9")

Transition Foam

Lock cm (Lock")

5.2 cm (2.0")

Support Foam

N/A

17.8 cm (7.0")

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Spring Layer Dimensions

Spring Layer Height Picture

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Spring Layer Density Picture

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Comfort Layer Height

N/A

Comfort Layer Coil Density

N/A

Comfort Layer Coil Gauge

N/A

Support Layer Height

Lock cm (Lock")

N/A

Support Layer Coil Density

Lock coils/m² (Lock coils/ft²)

N/A

Support Layer Coil Gauge @ Head/Feet

Lock gauge

N/A

Support Layer Coil Gauge @ Lumbar

Lock gauge

N/A

Foam Layer Firmness

Comfort Layer IPD

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Preview Graph

Transition & Support Layer IPD

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Preview Graph

Quilted Top Fill 25% IPD

Lock kPa

N/A

Upper Comfort Foam @ Head/Feet 25% IPD

N/A

2.2 kPa

Upper Comfort Foam @ Lumbar 25% IPD

N/A

2.2 kPa

Lower Comfort Foam @ Head/Feet 25% IPD

N/A

3.4 kPa

Lower Comfort Foam @ Lumbar 25% IPD

N/A

3.4 kPa

Transition Foam 25% IPD

Lock kPa

3.5 kPa

Support Foam 25% IPD

N/A

4.4 kPa

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Spring Layer Firmness

Comfort Layer Firmness

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Support Layer Firmness

SAMPLE

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Spring Layer Firmness

SAMPLE

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Normalized Comfort Layer Stiffness @ Head/Feet

N/A

Normalized Comfort Layer Stiffness @ Lumbar

N/A

Normalized Support Layer Stiffness @ Head/Feet

Lock Pa/mm

N/A

Normalized Support Layer Stiffness @ Lumbar

Lock Pa/mm

N/A

Foam Layer Resilience

Foam Layer Resilience Video

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Quilted Top Fill

Lock%

N/A

Upper Comfort Foam @ Head/Feet

N/A

Upper Comfort Foam @ Lumbar

N/A

Lower Comfort Foam @ Head/Feet

N/A

22%

Lower Comfort Foam @ Lumbar

N/A

22%

Transition Foam

Lock%

21%

Support Foam

N/A

44%

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Spring Layer Bounciness

Comfort Spring Layer Bounciness Video

SAMPLE

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Support Spring Layer Bounciness Video

SAMPLE

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Comfort Spring Layer Maximum Rebound Height

N/A

Support Spring Layer Maximum Rebound Height

Lock cm (Lock")

N/A

Check Price

Queen

Extra Firm Luxe

SEE PRICE

Amazon.com

Queen (Firm)

Novosbed

SEE PRICE

Novosbed

Plank Extra Firm Luxe

Novosbed

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Plank Extra Firm Luxe vs Novosbed: Main Discussion

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Plank Extra Firm Luxe vs Novosbed

Which Mattress Is Better?

Products

Our Verdict

Variants

Review

Check Price

Main Differences for Side Sleeping

Threshold

Side Sleeping

Full Comparison

Side Sleeping

Back Sleeping

Stomach Sleeping

Longevity

Pressure Relief

Support

Cooling

Motion Dissipation

Responsiveness

Style

Style Picture

Mattress Type

Bed-In-A-Box

Quilted Top Layer

Grab Handles

Thickness

Firmness

Head/Feet Firmness

Lumbar Firmness

Firmness Video

Normalized Stiffness @ Head/Feet

Normalized Stiffness @ Lumbar

Firmness Level

Body Conformity

Shoulder Indentation vs. Body Weight

Indent @ 50 kg (110 lb)

Indent @ 80 kg (176 lb)

Indent @ 110 kg (242 lb)

Support

Pelvis Indentation vs. Body Weight

Indent Difference @ 50 kg (110 lb)

Indent Difference @ 80 kg (176 lb)

Indent Difference @ 110 kg (242 lb)

Bounciness

Bounciness Video

Maximum Rebound Height

Comfort Layers Envelopment

Sinking & Contouring Picture

Sinking Depth

Diameter Of Distortion

Responsiveness

Responsiveness Video

Response Time

Motion Isolation

Motion Isolation Video

Head/Feet Motion Isolation

Lumbar Motion Isolation

Peak Acceleration @ Head/Feet

Dissipation Time @ Head/Feet

Peak Acceleration @ Lumbar

Dissipation Time @ Lumbar

Edge Support

Naturalistic Loading Pad Video

Naturalistic Loading Pad

Small Platen

Naturalistic Loading Pad Indentation

Small Platen Indentation @ 0 mm From Edge

Small Platen Indentation @ 150 mm From Edge

Increased Indentation @ Mattress Edge

Cooling

Cooling Graph

Energy Transferred Over 1st Hour

Energy Transferred Over 8 Hours

Cover

Cover Picture

Sleeping Surface Material

Removable

Machine Washable

Edge Construction

Main Differences for

Side Sleeping