The Simba Baby Cot Bed Mattress won Silver in the Mother&Baby Awards 2025 for Best Sleep Product.
Sleep is even more important for children than it is for adults, so Simba have packed all their award-winning tech into this double-sided, 8–layered Simba Baby Cot Bed Mattress.
It’s designed to last through babyhood and beyond, and ensures your newborn is safe from bacteria, allergens and chemicals, whilst sleeping on the firm, flat sleep surface they need. Then at 12 months+, flip it over for the cushioned, edge-to-edge support that toddlers need. It includes a water-resistant inner and washable cover and is suitable from birth to 3 years old and above.
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Pros
- Free delivery
- 2 year guarantee
- Designed to last
- Soft
- Eight layers
Cons
- Expensive
- The Hybrid® Cot Bed Mattress has a double-sided design. We've added helpful Firmer/Softer labels to each side of the mattress so you'll always know which side is which
- Soft, breathable, knitted outer. Breathable cover. Removable for machine washing.
- Water-resistant inner lining. Breathable, fixed inner lining wraps round internal layers for durability and shape retention. 100% breathable.
- Thick layer of firm Simba Renew. Breathable, firm comfort layer ensures the recommended flat, firm sleep surface for babies up to 12 months.
- Responsive Aerocoil® spring layer. Innovative central spring layer provides responsive support for toddlers aged 1-3yrs; firmer springs provide edge-to-edge stability and roll-free security.
- Medium layer of Simba Renem. Medium to firm comfort layer provides optimum core support for toddlers.
- Cushioning layer of Simba Renew. A more cushioned, comfort layer provides soft, cloud-like surface support.
- Water-resistant inner lining Breathable, fixed inner lining wraps round internal layers for durability and shape retention. 100% breathable.
- Soft, breathable knitted outer. Breathable, anti-allergenic cover. Removable for machine washing.
- UK Single Mattress 90W x 190L (cm)
- UK Small Double Mattress 120W x 190L (cm)
- UK Double Mattress 135W x 190L (cm)
- UK King Mattress 150W x 200L (cm)
- UK Super King Mattress 180W x 200L (cm)
- Euro Single Mattress 90W x 200 (cm)
- Euro Double Mattress 140W x 200L (cm)
- Euro Queen Mattress 160W x 200L (cm)
Awards
The Simba Baby Cot Bed Mattress is a brilliant way to help your baby get to sleep, and that's why it won Silver in the Mother&Baby Awards 2025 for Best Sleep Product. It also won Bronze in the same category back in 2024, so you can tell it has long-lasting quality. Our testers thought it was stellar - read on to find out more!
Testing the Simba Baby Cot Bed Mattress
Our testers loved the Simba mattress, especially compared to previous baby mattresses they'd used. One parent told us that "with our previous mattress, we had to let it air to get rid of plastic fumes. We did not have to do this with this one, which I felt was much better, as my baby wasn’t breathing in any fumes." Another reported that their son has always been a good sleeper, but he would "often stir during the night before resettling himself," before going on to say that "since using the Simba Hybrid Cot Bed Mattress, we have noticed that this has stopped and on a normal night he has slept through from being put down until he wakes up the next morning."
"I like that the cover can be removed and washed in the washing machine in case of accidents," said one pleased parent, with another commenting on how easy this process was, claiming that "it is really easy to wash and hoover the cover and dress the mattress with sheets." It's important to have an easily cleaned mattress during this stage of your baby's life, especially if they're known to have accidents during the night, so we're glad Simba delivered!
Parents were also delighted with the longevity of the design, with one stating that "I loved the fact it was designed to be used beyond the first year of life, with one side of the mattress for a baby below one and the other softer side for babies older than one years," and another tester telling us that "the price is fully justified because of the quality of the mattress. I know it will last for years and it is easily cleaned."
Still, there are qualities that could be improved. One mum told us that "the mattress is easy to install in a standard-sized cotbed, but it can be fiddly to then get back out of the cotbed for cleaning as there is no fabric to grip onto." Another let us know that they had issues when trying to lift it, telling us "this mattress is quite heavy. I was pregnant at the time of delivery and I struggled to get it inside the house." It might be worth keeping a family member or friend on stand-by if you're already deep into pregnancy when you order.
Overall, the testers were very pleased with the Simba mattress. "Since transferring my baby over, her sleep has greatly improved as she no longer has issues rolling over. She sleeps soundly all night long," said a satisfied parent. It seems this product gave them plenty of peace of mind, and they were confident it could keep their kids safe as they slept.
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Final thoughts
The Simba Baby Cot Bed mattress has eight engineered comfort layers to ensure your little one gets their beauty sleep. This mattress may be expensive, but it serves children from babies to toddlers with its double-sided feature. These mattresses are designed to last from 0-12 months old to 1-3 years which means you get your money's worth.
Stephanie Spencer is the Deputy Digital Editor at Mother&Baby and auntie to four aged 8 to 6 months old. With a particular interest in health, she loves discovering products that make parent’s lives easier.