Firmness
Type
Pocket Spring
Depth (cm)
10
Number of Layers
3
Trial Period (nights)
60
Warranty (years)
5
Price Range
£179
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.
For anxious new parents, the reassurance here is the point. This mattress is foam and chemical treatment free, made with hypoallergenic materials, and tested to the highest UK safety standards in a SATRA approved lab, according to Silentnight's own product page. The pocket spring support system is a step up from basic foam cot mattresses: each spring adjusts to your baby's weight, which means proper support that keeps pace as they grow from baby to toddler. The firm feel is exactly right for safe infant sleep. Yes, £179 is more than budget cot mattresses cost, but you get a 60-night trial and a 5-year guarantee, which is a decent safety net for the spend.
Key Features & what's inside
- Cover. A soft touch quilted fabric with a cloud print. It's the surface your baby lies closest to, so the gentle quilting matters more than the pattern.
- Core. A breathable polyester core, which means air can move through the mattress rather than trapping heat around your baby. Helpful, since little ones can't regulate temperature the way adults do.
- Support System. Individual pocket springs adjust to your baby's body weight, providing ease of movement and an undisturbed night's sleep. In practice, that means the mattress responds to a growing child rather than pushing back with one uniform feel.
Layer details from silentnight.co.uk product page, September 2026.
Who's it NOT for?
This is a cot bed mattress only, so it won't suit anyone shopping for a single bed or beyond. If you're after the cheapest option for a spare cot at grandma's, £179 may feel like more than you need. And if you specifically want a foam mattress, this is springs throughout.
Silentnight Safe Nights Twinkle Pocket Cotbed Mattress
View all mattresses
Is the Silentnight Safe Nights Twinkle firm enough for a baby?
Yes. Silentnight describes it as firm, which is the recommended feel for infants. The individual pocket springs adjust to your baby's body weight, so it stays supportive as they grow rather than softening unevenly.
Is the Safe Nights Twinkle mattress safe for newborns?
Silentnight states it is free from foam and chemical treatments, uses hypoallergenic materials, and has been tested to the highest UK safety standards in a SATRA approved lab. It also has a firm feel, which is what safe sleep guidance favours for babies.
How deep is the Silentnight Twinkle cotbed mattress?
It's 10cm deep. That sounds slim compared with adult mattresses, but it's a sensible depth for a cot bed, keeping your baby well below the top of the cot sides.
Does the Silentnight Safe Nights Twinkle have a trial or guarantee?
Yes. Silentnight's product page lists a 60-night trial and a 5-year guarantee, so you have time to see how your baby settles on it, plus longer-term cover if anything goes wrong.
How long does delivery take for the Safe Nights Twinkle?
Silentnight lists delivery within 14 days. If your due date is close, it's worth ordering with a little breathing room.
Couldn't find an answer to your question? Send us a message