Silentnight Ortho Dream Star Miracoil Mattress
- In-stock
- Finance available
- Free delivery
- Returns
- Feature: Hypoallergenic
- Brand: Silentnight
From £245.00
BedBoy earns a commission on outbound retailer links. Editorial scoring is independent of commission rates. How this works →
BedBoy Score
A composite score drawn from aggregated customer sentiment across verified reviews, with construction-type benchmarks for categories where reviewer commentary is limited. See our scoring methodology.
across 2 measured categories
Per-category breakdown below. The composite is the unweighted mean of every scored category, rounded to one decimal place.
- Brand
- Silentnight
- Retailer
- Mattress Online
- Delivery time
- Good
- Customer sentiment
- Excellent
- Guarantee
- Excellent
About the Silentnight Ortho Dream Star Miracoil Mattress
Last checked
The Silentnight Ortho Dream Star Miracoil is built around Silentnight’s continuous Miracoil spring system, topped with Eco Comfort Fibre and a quilted damask cover, with an extra-firm orthopaedic feel and a 24cm approximate depth. This is not a pocket-sprung mattress. Miracoil runs as a linked spring unit with zoned support, so it gives a flatter, more braced response under the hips and lower back than a basic open-coil mattress, but it will not contour as independently as a true pocket-sprung build. The orthopaedic claim here is achieved mainly through a very firm tension, zoned spring geometry and relatively lean fibre cushioning; honest for this construction class, but less pressure-relieving than the £500-plus pocket-sprung tier that pairs firmer springs with deeper comfort layers. Eco Comfort Fibre is a practical filling choice: breathable, vegan-friendly and less heat-holding than memory foam, though it gives more of a taut, quilted surface than a plush sink-in feel. The single-sided design keeps upkeep simple, with rotation rather than turning, and the 5-year guarantee sits in the expected range for this mainstream Silentnight bracket. At 20.5kg in double and 24kg in king size, it is manageable compared with heavier hybrids, but still easier to rotate with two people.
Lower-back support is where this model earns its following, especially for back sleepers and those who actively want a hard, level sleep surface rather than cushioning around the shoulders. Firmness is the central divider here. Happier accounts repeatedly link the extra-firm feel with reduced morning aches, and several describe an initial hard phase that becomes more comfortable after a short settling-in period; one longer account mentions adding a topper before the mattress became right for them. The 4.5-star rating from more than 5,000 ratings fits that pattern, but the low-scoring feedback is blunt: discomfort and poor value are recurring complaints from people who expected “extra firm” to mean supportive rather than harsh. One detailed account also describes soft edges and feeling springs at the side, so the no roll-together Miracoil claim should not be read as a promise of strong perimeter support. Couples get better centre support than on many cheap open-coil mattresses, yet a linked spring unit will still transfer more movement than individually pocketed springs, particularly where partners differ noticeably in weight. The fibre-and-damask surface should suit warmer sleepers better than deep memory foam, though side sleepers with sharp shoulders or lighter body weights may find the pressure relief too limited. If the priority is a hard orthopaedic mattress for back sleeping, this works; if cushioning, edge confidence or partner isolation matter more, a mid-range pocket-sprung or memory-foam hybrid tier makes more sense.
Pros and Cons
Pros
- Miracoil springs provide targeted support, easing back pain for users suffering from discomfort.
- Extra firm feel is ideal for those needing strong lumbar support while sleeping.
- Eco Comfort Fibres create a breathable sleeping environment that helps regulate temperature.
- Single-sided design means no flipping is necessary, simplifying mattress maintenance.
Cons
- Some find the mattress too firm initially, requiring an adjustment period for comfort.
- Sides may feel softer than expected, causing discomfort when getting up or turning.
- A few users reported feeling the springs at the edges, which affected their overall experience.
- Not everyone experienced the promised value for money, with some citing discomfort.
Price Tracker
Written by
Giselle Green, Editor in Chief
Last checked by Giselle Green on . Scoring follows our scoring methodology.
Specifications
Manufacturer specifications without the jargon, easy to scan and compare.
No roll-together
Crafted with innovative technology, this item ensures independent sleeping zones, eradicating disruptions caused by movement by one person, thereby offering you a serene night's sleep. Furthermore, this distinctive attribute aims to promote even weight distribution, essentially contributing to better sleep posture and relieving areas of high pressure, ensuring you wake up refreshed and invigorated each morning.
24cm deep
Featuring a substantial depth of 24cm, this mattress provides ample cushioning and support, catering to varying sleep preferences with its luxuriously cozy yet supportive feel. The enhanced depth also suggests a higher level of material build, implying improved durability and longevity, encouraging an extended mattress lifespan that's a beneficial investment for the long run.
Extra Firm
Boasting an 'Extra Firm' rating, this mattress offers unparalleled support, ideal for individuals who prefer a structured sleeping surface or those with certain back conditions. However, be mindful, as it may fall short on plush comfort characteristic of softer options, potentially making it less suitable for side sleepers or those who favour a more cushioned feel.
Orthopaedic Support
This king-size sanctuary of comfort grants sterilised hypoallergenic filling that ensures sleep is not disrupted by common allergens. Furthermore, an impressive tally of 2000 individually nestled springs provides the spine with correct alignment, tackling backaches and promoting a healthy sleeping posture.
Fire Resistant
Ensuring safety during your peaceful slumber, fire resistance is a crucial feature that reduces the risk posed by potential accidents involving flammable materials. Furthermore, it demonstrates the manufacturer's commitment to adhere to strict safety standards, prioritizing your well-being over all else.
National Bed Federation Approved Brand
Receiving approval from the National Bed Federation indicates that the product meets specific industry standards and quality benchmarks. This approval serves as a reassurance of the product's reliability and durability, though discerning buyers may still want to consider personal comfort preferences.
Eco Comfort Fibre
Encompassing sustainable and recyclable materials, Eco Comfort Fibre contributes to a greener environment while offering substantial comfort. This technology, simultaneously breathable and resilient, aids in maintaining an ideal sleep temperature and delivers an uninterrupted, restful night.
Lower back support
You'll find comfort in knowing that lower back support benefits considerably from this mattress's construction. It can work wonders in maintaining spinal alignment, thus enhancing sleep by reducing discomfort, particularly for individuals accustomed to sleeping on their sides.
Damask cover
Woven fabric gives the mattress surface a tighter, smoother feel under sheets, with a patterned thread structure that resists the baggy stretch some softer covers can develop. Spills can sit in the weave, making a protector sensible.
Vegan-friendly
Plant-based or synthetic fillings avoid wool, silk or other animal-derived fibres, leaving the surface suitable for shoppers avoiding animal materials. Check cover materials and fire barrier details where allergies are involved.
Approved by the National Bed Federation
Factory auditing checks that the mattress is made under UK rules for flammability, fillings and labelling, giving you a clearer paper trail for what arrives at home. It doesn't prove comfort, firmness or long-term durability.
5 year guarantee
Fault cover puts manufacturing problems in writing, making a loose strut, failed fixing or collapsed padding less of a gamble after delivery. Accidental damage, fabric marks and poor fitting usually sit outside it.
Hypoallergenic
Hypoallergenic mattresses are the perfect choice for those with allergies or sensitivities, as they protect against allergens and irritants. They're also a great choice for those with asthma or respiratory issues.
Miracoil springs
Linked wire coils spread body weight across the mattress, giving your hips and shoulders a steadier surface and helping reduce the dip towards the middle. Couples may prefer pocket springs for calmer movement.
Reinforced mattress edge
Firmer sides help the mattress hold its shape when you sit or sleep near the border, giving you more usable width across the bed. It won't stop a soft comfort layer dipping under weight.
Handcrafted in the UK
Factory workers assemble and finish the mattress by hand, leaving small variations in stitching or edge detail you may notice up close. It doesn't prove better support or longer life.
Single-sided
Bed-making is simpler because the comfort layers stay on the top face, leaving the underside to stabilise the mattress while you lie on the cushioned surface. Don't flip it over.
Frequently Asked Questions For The Silentnight Ortho Dream Star Miracoil Mattress
The questions below are the most common ones BedBoy readers ask when comparing products in this category. Contact the editorial team with a different question, quoting P81 in the subject line.
Reader reviews of the Silentnight Ortho Dream Star Miracoil Mattress
BedBoy publishes reader-submitted reviews to broaden the sentiment sample. Reviewer purchase status is not independently verified at submission. For verified-purchase ratings, see the Trustpilot block below. Submit a review, quoting P81 in the subject line.
The support this mattress provides really eases back discomfort. It may seem too firm initially, but gives way to a comfortable sleep experience over time.
This mattress is good quality and very comfortable. I suffer with my neck and back and it has really helped get a perfect nights sleep unlike my twice expensive one from Dreams.
Good quality considering the price, very firm as stated
Apart from a lack of handles good value for money.
Easy to purchase, excellent value for a perfectly firm and supportive mattress. I absolutely love it, its firm but not too hard and my sleep has improved no end.
Amazing cost-value. I had one in a different size an bought another.
A good mattress satisfies my needs
Overall quite satisfied. My back pain for which I ordered the mattress is much better. It is very firm and that is what you need if you have back problems especially lower back issues., due to bad posture and sitting for long periods.
Its an excellent product a good nights sleep
Yes is very good strong mattress for me
The mattress has been great, perfect for my back
Probably not ideal for lower back pain. Its not that firm I thought, bouncy. Issues are description for those mattresses are very similar so people can go for cheaper version and become victim of buying those.. ordered another one recommended by them which is super firm and lets see.
Very good firm mattress, excellent delivery
Too soft for me but still good product in good quality
Google nights sleep no problems
Great product exactly as described
Just what i wanted, a proper stiff mattress that my back would thank me for. So happy with the purchase, next day in room delivery. Prices were the lowest across all forms - online or in store. 5 stars!
Very comfy. Exactly what we want.
Nothing is worth 5 stars.
Very good service recommended delivery on time
Verified retailer reviews
Independent Trustpilot reviews of Mattress Online.
Customers Went On To Purchase
A few more options from the retailer that customers loved.
