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ComparisonLast updated on 14 January 2025

Newentor Hesperis vs Sleeping Duck

Easily compare the Sleeping Duck vs Newentor Hesperis Mattresses side-by-side.

Newentor Hesperis mattress on Mattress Zone Australia
Sleeping Duck Mach II mattress on Mattress Zone Australia
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At a glance

Recommended For
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What we like
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Keep in Mind
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Essential Mattress Info

Brand
NewentorSleeping Duck
About
Unlike most mattresses, Sleeping Duck Mach II is not one size fits all as you can customise each mattress side.
Mattress Type
Memory foamHybrid (foam & springs)
Prices
Video
Certifications
CertiPur-US®
CertiPur-US®✕
OEKO-TEX®
OEKO-TEX®✕

Trial & Warranty

Trial Period
✓✓
Trial Period (nights)
120100
Warranty Length (years)
1010

Firmness Options

One Firmness Fits All?
✕✕
Adjustable Firmness
✓✓
Half-Half Firmness
✕✓
Selectable Firmness
✕✓
Flippable / Reversible Firmness
✕✕
Firmness Info
One mattress, three options!
Easily change the firmness to one that's perfect for you with this 3-layer adjustable memory foam design. You can reorder the internal foam layers to create a medium, medium-firm or firm mattress. The mattress is suitable for up to 160kg each side.
Firmness is the most sensitive and personal element of any mattress. Sleeping Duck have re-engineered the traditional mattress to make it modular, allowing you to pick (and even swap) the firmness that's exactly right for you. Simply choose between medium or firm initially. Rest assured, you'll be able to change the firmness via foam swaps for the first 100 nights for free.
Medium:
  • Suitable for side sleepers
  • Sinks in slightly while being supportive
  • Approximately a 6/10 on the firmness scale.

Firm:
  • Suitable for back sleepers
  • Still feels cloud like while maintaining a strong level of support
  • Approximately an 8/10 on the firmness scale.

Half Medium & Half Firm:
  • A different firmness on either side of the bed
  • Ideal for couples who have different firmness preferences.

Mattress Construction

Materials Overview
The Newentor Hesperis mattress has 3 foam layers:
  • Natural Coconut Cover
  • Inside Dry and Breathable Cover
  • 3cm Gel-Visco Memory Foam
  • 1.5cm High-Density Q-Stretch Foam
  • 13.5cm Highly Elastic Comfort Foam.
The Sleeping Duck is made for sleepers who want the best of old and new. The Sleeping Duck is Australian designed and combines a combination of technologies in the one mattress:
  • Australian made AntiGravity surface foam (made from high density AirGrown polyurethane foam)
  • Australian made Precision Firmess Pads (made from high density AirGrown polyurethane foam)
  • The Motherboard: a multi-zoned steel spring system
These elements create a highly comfortable, breathable and supportive mattress on both the lumbar and neck.
This award-winning, GECA certified mattress is loved by their customers.
Comfort Info
Breathable covers and foams allow airflow throughout the layers for dry and cool sleep. The mattress is symmetrical and you can rotate it every few months.
Appreciating that everyone is different, Sleeping Duck allows you to choose from a medium or firm mattress (or half-half on Queen and King sizes). Over the course of your 100 night trial you can change the firmness of your mattress depending on the way you are sleeping. These firmnesses can be adjusted with just the pull of a zip.
The ComponentAdapt customisation system empowers you to take full control of the comfort of your mattress. This is achieved via interchangeable Precision Pads that you can swap out for both you and your partner. After sleeping on your mattress, you can contact the SDHQ who can help you to customise and adapt the mattress with up to 256 combinations possible.
Support Info
Seven ergonomic zones that precisely support your body.
The Sleeping Duck Mach II has a multi-zone support structure to make sure every part of your body is wonderfully supported and comfortable. Pocket Springs are far more resilient and provide better support over a longer period of time. They're specifically designed to ease the human body to relaxation and relieve pressure points by varying the distribution of weight throughout the entire surface.
The mattress has superior edge support thanks to the reinforced spring perimeter through the use of 2.3mm springs on the entire border. This allows you to sleep edge-to-edge, making your Queen size feel like a King, and allowing you to sit or sleep on the edge without the rolling or sliding off feeling.
Independently pocketed springs create zero disturbance between you and your sleeping partner.
Comfort Specs
Gel-Visco Memory Foam
The comfortable memory gel provides a refreshing temperature. A dry and comfortable sleep is guaranteed.
AntiGravity Foam
The top layer was engineered in pursuit of the ultimate comfort. The foam which doesn't contain any latex or memory foam offers superior comfort and cushioning. It actually improves on the combination and provides increased pressure relief, buoyancy and breathability. The hyper-adaptable properties of the AntiGravity foam allows it to rapidly reshape around you as you move, allowing unimpeded movement, not achievable with the more rigid moulding that memory foam provides. It is produced via pressure expansion rather than chemical reactions which means it is 8x more open than latex and memory foam. Furthermore, it's all Australian made.
The use of the pocketed springs allows for far superior air circulation and ventilation than all-foam mattresses. This helps to keep your mattress cooler and drier.
Support Specs
Gel-Visco Memory Foam
Experience the contouring effect of 3cm of luxurious memory foam. High-Density Q-Stretch Foam
The high resilience characteristic makes the cushion soft and firm at the same time, supporting the body adequately while keeping the spine healthily aligned. Highly Elastic Comfort Foam
With unique ergonomic cut-outs in the foam, this layer precisely supports the 7-zone pressure points of your body and keeps your spine relaxed. The symmetrical zones give softer support for your shoulders and calves, medium support for your hips, hard support for your waist and thighs, and firmer support for your head and feet.
The combination of the changeable, high-density foam layer and the individually-wrapped pocketed spring multi-zone support layer, creates a system that is highly responsive to your needs.
The multi-zone spring system has three types of springs that are specifically engineered - 2.3mm springs around the very edge, 2.0mm springs through your back and hip zones and 1.8mm springs through your shoulder zone. The shoulder and hip zones conform whilst more support is provided to the lower back and head zones, therefore giving you the required alignment for a restorative night's sleep.
The use of these Twice Tempered IndestructSprings is not just for their ductility, strength and durability properties but to provide comfort and support through proper spinal alignment.
Fabric Specs
Natural Coconut Cover
This OEKO-TEX certified cover contains 25% coconut fiber and high temperature forged bamboo fiber textile, with negative ion penetration performance. This makes it extremely friendly for your skin. The mattress cover is removable and machine-washable at up to 30°C. Inside Cover
With excellent moisture absorption and a quick-drying effect, this cover keeps the interior layers dry and breathable, effectively preventing the breeding of mites and bacteria. Non-Slip Base
A non-slip base that ensures your mattress will stay in place thanks to this grippy material.
BreatheTech Cover
The vortex spun bamboo yarn top cover is designed for maximum breathability and ease of switching foam layers. Soft and silky to touch, it also has natural anti-microbial properties that keep it fresher for longer. The cover easily unzips and is machine washable. Plus no annoying buttons that you feel with tufted mattresses. This high performance bamboo yarn is knitted to ensure optimal breathability for air and liquid, to ensure it remains dry and cool.
Manufactured in
To be confirmed.China

Suitability

Side Sleepers
✓✓
Back Sleepers
✓✓

Size & Weight

Single
✓✓
Single Dimensions
188 x 92 x 18 cm188 x 92 x 31 cm
Single Weight (kg)
1430
King Single
✓✓
King Single Dimensions
203 x 107 x 18 cm203 x 107 x 31 cm
King Single Weight (kg)
1736
Double
✓✓
Double Dimensions
188 x 137 x 18 cm188 x 138 x 31 cm
Double Weight (kg)
2043
Queen
✓✓
Queen Dimensions
203 x 153 x 18 cm203 x 153 x 31 cm
Queen Weight (kg)
2452
King
✓✓
King Dimensions
203 x 183 x 18 cm203 x 183 x 31 cm
King Weight (kg)
2865
Super King
✓✕
Super King Dimensions
203 x 203 x 18 cm✕
Super King Weight (kg)
✕
California King
✕✓
California King Dimensions
✕203 x 203 x 31 cm
California King Weight (kg)
✕74

Delivery

Delivery Cost
FREEFREE
Delivery Info
Free shipping Australia-wide, typically orders ship out of their warehouse within 2 business days and you'll receive your order within 2 to 7 business days after that.
Free next business day for almost all of Australia or choose your preferred delivery date and time. Delivered straight to your door.
Prices
Latest Promotions

Up to 55% OFF Hybrid mattress! Free Shipping and Fast Arrival!

See offer

Check back later for future savings

See offer