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Rated Excellent
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SleepSoul Nyx Open Coil Spring Mattress

4.7 star review
4.7 (7 reviews)
£169 Was £199 Save £30 RRP £249
RRP £249
£80 below RRP
or make 3 payments of £56.33 Learn more
Price Drop! Ends in
Medium
Open Coil Spring
Rolled

Free Delivery from Tuesday 17th November.

Delivered directly by one of our trusted suppliers

Make 3 payments of £56.33 Learn more

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Description

Dimensions

Firmness Guide

Warranty & Guarantee

Delivery & Returns

Product Questions

Description

The SleepSoul Nyx Open Coil Spring Mattress is a simple and dependable choice for a restful night’s sleep. With a traditional spring system and soft comfort layers, it delivers everything you need for everyday comfort.
Traditional Open Coil Support

Traditional Open Coil Support

The open coil spring system provides a tried-and-tested form of mattress support. Designed to distribute your body weight evenly, the springs in the SleepSoul Nyx Open Coil Mattress ensure consistent comfort throughout the night. Its medium firmness rating ensures it will suit any sleeper.
Knitted Fabric Top Layer

Knitted Fabric Top Layer

A soft knitted fabric surface finishes the SleepSoul Nyx Spring Mattress, offering a breathable and smooth feel. This top layer adds to the comfort while creating a fresh and inviting sleep environment.
Foam Comfort and Practical Depth

Foam Comfort and Practical Depth

The addition of a 1cm foam layer brings extra cushioning to the mattress, complementing the spring system for a balanced feel. At 19cm deep, the SleepSoul Nyx Open Coil Spring Mattress is a practical fit for most bed frames and is delivered rolled for convenience.

Dimensions

Happy Beds SleepSoul Nyx Open Coil Spring Mattress Sketch Dimensions


3ft Single:

  • B - Length: 90 cm (3')
  • C - Width: 190 cm (6'3")


4ft Small Double:

  • B - Length: 120 cm (4')
  • C - Width: 190 cm (6'3")


4ft6 Double:

  • B - Length: 135 cm (4'6")
  • C - Width: 190 cm (6'3")


5ft King Size:

  • B - Length: 150 cm (5')
  • C - Width: 200 cm (6'6")


6ft Super King Size:

  • B - Length: 180 cm (6')
  • C - Width: 200 cm (6'6")



A - Mattress Depth (Thickness): 19 cm (7.48 inches)

Note: Sizes are approximates and may vary slightly.

Firmness Guide

Soft

Best for side sleepers and lighter body types, a soft mattress offers deep cushioning, gentle support, and enhanced sinkage for a plush, contouring sleeping experience.

Soft-Medium

Ideal for side and combination sleepers with lighter to average body types, a soft-medium mattress balances gentle cushioning, responsive support, and moderate sinkage.

This Mattress

Medium

Suitable for all sleeping positions and average body types, a medium mattress combines balanced cushioning, reliable support, and controlled sinkage for versatile comfort.

Medium-Firm

Best for back and combination sleepers with average to heavier body types, a medium-firm mattress provides supportive comfort, light cushioning, and reduced sinkage.

Firm

Ideal for back and front sleepers with heavier body types, a firm mattress delivers strong support, minimal cushioning, and very little sinkage for a stable feel.

Extra-Firm

Best for back sleepers with heavier body types, an extra firm mattress offers maximum support, minimal cushioning, and almost no sinkage for a solid sleeping surface.

Warranty & Guarantee

We're sure that you'll love your new item from Happy Beds, but to give you peace of mind, you'll be happy to know all of our products come with a 5-year manufacturer's guarantee as standard.

This guarantee covers any defects in the materials or craftmanship of the product, as long as it has been used during normal domestic use. Find out more in our full manufacturer's guarantee, with our terms and conditions offering more information if needed.

Delivery & Returns

We've made delivering your items easier than ever, with two options to choose from!

Standard delivery

  • FREE* Monday to Friday (weekends chargeable)
  • 1-man service delivered to your hallway
  • Courtesy email and text 24 hours before delivery
  • A 2 to 3 hour delivery slot

Premium delivery

  • Available from only £25
  • 2-man service delivered to a room of your choice (maximum 2 flights of stairs)
  • Courtesy email and text 24 hours before delivery
  • A 2 to 3 hour delivery slot

*Please note that delivery costs, services, and times are subject to availability and will depend on the product selected. Certain postcodes may incur extra charges. Find out more in our delivery policy.

Easy returns

Don't worry if something goes wrong, or you change your mind! We have detailed returns policy that can be found in our replacement, returns and refund page for more information. Please note that returns are subject to our terms and conditions.

Product Questions

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    Product Reviews

    4.7 star review
    4.7 Based on 7 reviews
    5 Star
    71.4 %
    4 Star
    28.6 %
    3 Star
    0 %
    2 Star
    0 %
    1 Star
    0 %

    Reasons to buy from Happy Beds

    Join thousands of happy customers who trust us for quality products and reliable service.

    Start enjoying better sleep sooner with selected products delivered as quickly as tomorrow.

    Buy confidently knowing your investment is protected by long term manufacturer warranty.

    Shop with confidence thanks to our straightforward 14-day hassle free returns policy.

    Out with the old and in with the new, removing the stress from upgrading your bedroom.

    Take the time and stress out of setup with dedicated assembly support UK-wide.

    Add a Mattress

    Firmness Quick Guide

    Soft

    Best for side sleepers and lighter body types, a soft mattress offers deep cushioning, gentle support, and enhanced sinkage for a plush, contouring sleeping experience.

    Soft-Medium

    Ideal for side and combination sleepers with lighter to average body types, a soft-medium mattress balances gentle cushioning, responsive support, and moderate sinkage.

    Medium

    Suitable for all sleeping positions and average body types, a medium mattress combines balanced cushioning, reliable support, and controlled sinkage for versatile comfort.

    Medium-Firm

    Best for back and combination sleepers with average to heavier body types, a medium-firm mattress provides supportive comfort, light cushioning, and reduced sinkage.

    Firm

    Ideal for back and front sleepers with heavier body types, a firm mattress delivers strong support, minimal cushioning, and very little sinkage for a stable feel.

    Extra-Firm

    Best for back sleepers with heavier body types, an extra firm mattress offers maximum support, minimal cushioning, and almost no sinkage for a solid sleeping surface.