What Is an Open Coil or Standard Sprung Mattress?

A standard sprung mattress is a mattress made with an open coil spring system, which is why it's sometimes called an open coil mattress.

An open coil mattress is a highly-popular mattress type, and they're often cheaper than pocket sprung mattresses too. Open coil traditional sprung mattresses feature interconnected springs and are topped with a variety of comfort layer options.

In this guide, we'll explain what open coil mattresses are, their main benefits and we'll compare them with pocket sprung mattresses, too. Read on to discover more!

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A standard sprung mattress features open coil springs
A standard sprung mattress features open coil springs for remarkable full-body support

What is an open coil mattress?

An open coil (or standard sprung) mattress is a supportive, sprung mattress featuring coils of high tensile steel, wound into hundreds of springs and connected by a wire rod edge. The springs run from side-to-side and are available in a range of firmness ratings from softer, medium or firmer.

The spring unit in an open coil mattress works to evenly spread your body weight across the mattress and reduce the build-up of pressure points. Standard sprung mattresses have been around for over a century and remain one of the most popular mattress types available!

Browse all standard sprung mattresses

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Benefits of open coil mattresses

Standard sprung mattresses have remained popular for so long due to the benefits they offer. Below we explain why they remain a firm favourite.

1. Lower in price

If you're looking for a mattress that won't break the bank, standard sprung mattresses offer comfort and support at an affordable price.

2. Highly supportive

Open coil mattresses offer great support as the springs evenly distribute your body weight and relieve pressure where you need it most.

3. Help care for your back

Since this spring system is extremely supportive, it's often used in orthopaedic mattresses. These mattresses have been specifically designed to care for and support your back by relieving pressure and promoting a healthy posture while you sleep.

A Silentnight Vilana Limited Edition Miracoil Mattress
Silentnight Vilana Limited Edition Miracoil Mattress is a great-value open coil mattress

4. Improve spinal alignment

Since standard sprung mattresses are very supportive, they can help to correct your posture and spinal alignment. This means you'll wake up with less aching joints and feeling more refreshed.

5. Lightweight

Standard sprung mattresses can be quite lightweight. This means that turning or flipping your mattress isn't such a strain on your back.

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What are the different names of open coil mattresses?

Standard sprung mattresses are referred to by many different names by various retailers and manufacturers. The most popular term is 'open coil'. Here are some of the names you may have come across:

  • Open coil mattress
  • Standard sprung mattress
  • Standard coil mattress
  • Bonnell spring mattress
  • Coil spring mattress
  • Helical spring mattress
  • Cage sprung mattress

Open coil springs are used in our standard sprung mattresses. Two of our leading brands - Silentnight and Sealy - have adapted the open coil spring system and given it their own branding. Read on to find out more about each support system.

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Silentnight's Miracoil Springs

Miracoil springs are made up of one long wire that is wound into coil springs. These springs run from head-to-toe rather than side-to-side, like in an open coil spring system. By adding a reinforced edge and three zones of support, Miracoil springs offer four main benefits:

  1. Greater support where you need it the most
  2. Roll-off prevention
  3. Maximised sleep space
  4. Optimal spinal alignment

Miracoil springs combine with different fillings to offer a range of firmness ratings. Check out our range of Miracoil spring mattresses to find the one ideal for you.

Browse Silentnight Miracoil mattresses today

Here are two videos from Silentnight about how Miracoil springs work and the benefits they provide:

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Sealy's Posturepedic Spring System

Within Sealy's Posturepedic Spring System, a coil runs across the entire bed connecting the springs together. This allows the springs to hinge together, offering more personalised support. The spring unit is then complete with a wire rod edge at the top and bottom of the mattress. This design gives you:

  1. Personalised support
  2. The ability to adjust to your sleeping position
  3. Firm edges to help prevent roll-off
  4. Pressure point relief and spinal alignment

Choose from our wide range of standard sprung Sealy mattresses.

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Sealy Blackwood Elevate Posturepedic Mattress
The Sealy Blackwood Elevate Posturepedic Mattress is a best-selling open coil mattress

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Is a standard sprung mattress right for me?

Standard sprung mattresses offer excellent support, making them a great choice for everyone. Read on to find out how a standard sprung mattress could benefit you.

They care for your back

An open coil mattress offers brilliant pressure relief for your back and neck. This is because the springs move together to evenly spread your body weight and relieve pressure from your joints. This support also helps with your spinal alignment and your posture. These features mean they are a common spring system found in orthopaedic mattresses.

They're ideal for children

Standard sprung mattresses are a great choice for children. The open coil springs promote greater spinal alignment to help support your little one's growth. As well as being supportive, they're also very comfortable. This means your child will get a cosy night's sleep and you can relax knowing they're getting all the support they need.

They're perfect for guest rooms

A standard sprung mattress will offer your guests a wonderful night's sleep and give you great value for money! This means that you can sleep soundly knowing that your visitors will be getting a great night's sleep and you don't need to splash out.

Buy a standard sprung mattress

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Open coil vs pocket sprung

Pocket sprung mattresses have grown in popularity over recent years. A pocket sprung system is manufactured in a different way to a standard sprung mattress and offers support that is more personalised to your body shape. Read on to find out how each spring system is different and how this affects the feel of your mattress.

Below is a table that summarises the difference between a standard sprung mattress and a pocket sprung mattress.

Standard sprung mattressesPocket sprung mattresses
One whole spring unit within a wire edge frameIndividual springs, each wrapped in a cloth sleeve
Evenly spreads body weight across the mattressOffers more personalised support
Usually cheaper in priceAdapts to your changes in sleeping position
Helps prevent the feeling of roll-offOffers optimal pressure relief
A pocket sprung mattress contains springs wrapped within their own cloth sleeve
Discover how pocket sprung mattresses work in our helpful guide

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Standard sprung mattresses: best sellers

We have a fantastic collection of open coil mattresses here at Mattress Online. All of these mattresses offer something different so it is worth checking out our full range.

Let us take the stress out of mattress shopping. Here are our best-selling open coil mattresses for you to browse through.

Silentnight Ortho Dream Star Miracoil Mattress on a white backgorund - one of our top ten recommended mattresses 2023

1. Silentnight Ortho Dream Star Miracoil Mattress

Featuring Silentnight's patented Miracoil spring system, this mattress is rated extra firm and provides orthopaedic levels of support.

  • From £224.95
  • Firmness: extra firm
  • Free Next Day Delivery
  • Review score: 4.6/5

Watch this video to find out why our customers love the Ortho Dream Star so much!

2. Sealy Steeple Ortho Plus Mattress

The Steeple includes Sealy's PostureTech Core Support. These springs provide a firm feel and are remarkably responsive - so you can get the most out of your mattress.

  • From £429.95
  • Firmness: firm
  • Free Next Day Delivery
  • Review score: 4.7/5

Silentnight Miracoil Pillow Top Limited Edition Mattress

3. Silentnight Miracoil Pillow Top Limited Edition Mattress

This mattress features Silentnight's Miracoil spring system and a sumptuous pillow top - so you'll be sleeping in absolute comfort while getting all the support you need.

  • From £240.88
  • Firmness: medium to firm
  • Free Next Day Delivery
  • Review score: 4.6/5

If you think the Silentnight Miracoil Pillow Top could be the one for you, check out our video below!

Classic Gold Ortho Mattress

4. Classic Gold Ortho Mattress

With a traditional open coil spring system and a layer of comfy upholstery fillings, there's no doubt you'll enjoy a fantastic night's sleep.

  • From £159.95
  • Firmness: medium to firm
  • Free Next Day Delivery
  • Review score: 4.5/5

For more information on the Classic Gold, watch our helpful video below.

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Open coil mattresses are highly popular due to their remarkable support and durability at an affordable price. These mattresses perfectly combine the traditional mattress feeling with fantastic support and comfort. Discover our wide range of standard sprung mattresses, all available with Free Next Day Delivery!

If you're not sure if an open coil mattress is for you, feel free to get in touch instead! We are happy to offer support and guidance to find the right mattress for you.