Silentnight Achieve Pocket Sprung Kids' Mattress
The Silentnight Achieve Pocket Sprung Kids' Mattress uses Mirapocket springs that move individually, which means your child gets responsive support that adapts to their movements, on a foam-free build made for ages 3 and up.
- Foam-free & chemical-free build
- Breathable fibres for comfortable sleep
- Hypoallergenic for sensitive sleepers
£349
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This is a foam-free pocket spring mattress made for children aged 3 and over. It has a smooth quilted surface, two layers of adaptive fillings and Mirapocket springs that move individually. Silentnight doesn't publish a firmness or depth for it. It comes in a UK single only. Silentnight gives a 5-year guarantee, and Dreams offers a 100-night trial.
Mattress specifications
Firmness
Type
Pocket Spring
Depth (cm)
Number of Layers
3
Trial Period (nights)
Warranty (years)
Price Range
£349
Certifications
Assessed from the specification published by dreams.co.uk, captured November 2026, and from regular price comparison across our UK retail partners.
Why should you choose this mattress?
The main appeal is the build. Mirapocket springs move individually, so the mattress responds to your child's movements rather than moving as one block. Two generous layers of adaptive fillings are there for lasting support, which matters for a mattress that will be used every night for years. The EcoComfort Fibres are breathable and made from recycled plastic, and the mattress is hypoallergenic, foam-free and chemical-free. That makes it a calm choice if you want to avoid foam. It's suitable for children aged 3 and over, and Silentnight backs it with a 5-year guarantee.
Key features & layer details
Quilted surface
A smooth quilted sleep surface, which gives your child an even, comfortable top to sleep on.
Adaptive fillings (two layers)
Two generous layers of adaptive fillings for lasting support, which helps the mattress keep its comfort through years of nightly use.
Mirapocket springs
Mirapocket springs that move individually to give responsive support, so the mattress follows your child's movements rather than shifting as one piece.
Layer details from dreams.co.uk product page, November 2026.
Best suited for?
Children
Made for children aged 3 and over, this mattress has Mirapocket springs that move individually, so it follows a child's movements instead of shifting as one piece.
Allergy sufferers
The mattress is hypoallergenic, foam-free and chemical-free, which makes it a calmer choice for households wanting to keep their sleep setup simple and free of foam.
Eco-conscious buyers
EcoComfort Fibres made from recycled plastic are breathable and sit in the fillings, so the build has a recycled element without any foam layers.
Combination sleepers
Individually moving pocket springs respond to each shift in position, so a child who turns often through the night gets support that adjusts rather than moving as one block.
If you need to know the firmness before buying, this might not be the best choice, as Silentnight doesn't publish a rating or a depth for it. It's also only made as a UK single, so it won't suit a larger bed. It's designed for children aged 3 and over, so it isn't meant for toddlers younger than that.
Save on an earlier or ex-display model
Some retailers still sell the earlier version of this mattress, or ex-display and returned stock at a lower price. These are the sizes where it costs less than the current model's best price.
Silentnight Achieve Pocket Sprung Kids' Mattress
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FAQ's
How firm is the Silentnight Achieve Pocket Sprung Kids' Mattress?
Silentnight doesn't publish a firmness rating for this mattress. What it does say is that the two layers of adaptive fillings and the individually moving Mirapocket springs provide lasting, responsive support.
What size does the Silentnight Achieve Pocket Sprung Kids' Mattress come in?
It comes in a UK single only. If you need a UK small single, UK double or anything larger, this mattress won't cover it.
What is the Silentnight Achieve Pocket Sprung Kids' Mattress made of?
It has a quilted surface, two layers of adaptive fillings and Mirapocket springs. The EcoComfort Fibres are made from recycled plastic, and the mattress is foam-free and chemical-free.
Does the Silentnight Achieve Pocket Sprung Kids' Mattress come with a trial or guarantee?
Silentnight gives a 5-year guarantee. Dreams offers a 100-night trial, but that is Dreams' own offer rather than Silentnight's, so check its conditions before you order.
What age is the Silentnight Achieve Pocket Sprung Kids' Mattress suitable for?
It's suitable for children aged 3 and over. It's also hypoallergenic, foam-free and chemical-free, which suits parents who want a simpler build for their child's bed.
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