Firmness
Medium
Type
Pocket Spring
Depth (cm)
22
Number of Layers
2
Trial Period (nights)
60
Warranty (years)
5
Price Range
£259
Best Sleeping Position(s)
Certifications
Assessed from Silentnight's published specification for this mattress, captured September 2026, and from regular price comparison across our UK retail partners.
If you're shopping for a child's first proper mattress, the appeal here is support without unnecessary extras. The 600 Mirapocket® springs offer zoned support, which Silentnight says is scientifically proven to improve spinal alignment and posture, useful while a child's back is still developing. The EcoComfort Fibres™ layer is breathable, so it should stay a little cooler through the night. It's hypoallergenic and free from foam and FR chemical treatments, a genuine plus for sensitive skin. Yes, £259 is a real spend for a single, but the 60-night trial and 5-year guarantee take some of the risk out. Delivery is quoted at 14 days, so not the quickest.
Key Features & what's inside
- EcoComfort Fibres™. A breathable fibre comfort layer that sits at the top of the mattress. It allows air to move through, which means a cooler, less clammy feel for warm sleepers.
- Mirapocket® springs. A base of 600 Mirapocket® springs, each moving independently to give full body support. The zoned design, which Silentnight says is scientifically proven to improve spinal alignment and posture, firms up where your child's body needs it most.
Layer details from silentnight.co.uk product page, September 2026.
Who's it NOT for?
It only comes in a UK Single, so it won't work for a double bed or for adults sharing. The medium feel and child-focused design mean heavier adults may find it too shallow at 21.5cm to give lasting support. And if you want a plush, sink-in top layer, this fibre-and-spring build will feel a little plain.
Silentnight Healthy Growth Dreamer Eco Pocket Mattress
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Is the Silentnight Healthy Growth Dreamer Eco Pocket good for kids?
It's designed for children. The 600 zoned Mirapocket® springs support spinal alignment while your child grows, and the mattress is hypoallergenic and free from foam and FR chemical treatments, which suits sensitive skin. The medium feel works for most children without being too hard.
How firm is the Silentnight Healthy Growth Dreamer Eco Pocket mattress?
Silentnight rates it as medium. That middle-ground feel suits most children and most sleeping positions, offering support from the pocket springs with a softer fibre layer on top.
Does the Silentnight Healthy Growth Dreamer Eco Pocket come with a trial?
Yes, Silentnight offers a 60-night trial, so you can return it if it doesn't suit your child. It also carries a 5-year guarantee covering manufacturing faults.
How deep is the Silentnight Healthy Growth Dreamer Eco Pocket mattress?
It's 21.5cm deep. That's slimmer than a typical adult mattress, but a practical depth for children's bed frames, cabin beds and bunks, where a lower profile keeps safety rails effective.
What sizes does the Silentnight Healthy Growth Dreamer Eco Pocket come in?
It's available in a UK Single only, priced from £259. If you need a larger size for an older child or a double bed, you'll need to look at a different model.
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