Silentnight Open coil mattresses
Essentials Sprung Mattress
Open coil (Bonnell) springs
Sizes: Single · Small double · Double +1 more
Silentnight Open coil mattresses
Essentials Miracoil Ortho Mattress
Miracoil continuous coil springs
- Maker's firmness
- Firm (sold as 'extra firm')
- Sizes
- Single, Small double, Double, King
- Depth
- 22cm
- Trial
- 60-night sleep trial*
- Guarantee
- Lifetime guarantee (Silentnight says it starts once the product is registered)*
* As stated on the maker's UK website on 3 October 2026, for buying direct from them. Other retailers may offer different terms — check before you buy.
View at Silentnight (manufacturer's website)
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About it
A firm, zoned mattress built on Silentnight's Miracoil continuous coil, a variation on the interconnected spring. 'Ortho' here is Silentnight's name for a firmer feel rather than a medical rating.
Key features from the maker
- Miracoil continuous spring system
- Head-to-toe spring rows designed to reduce roll-together
- Hypoallergenic fillings, soft-knit cover
- Handmade in the UK
- 22cm deep
Sizes, drawn to scale
UK and EU mattress sizes explained — always check the measurements of your bed frame.
Where these details come from
Checked on against:
- Essentials Miracoil Ortho Mattress — silentnight.co.uk
- Bed Advice UK FAQs (on the term 'orthopaedic')
Makers change their products. If something here looks out of date, please let us know.
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