Best kids' mattress 2021: We round up the best memory foam and pocket sprung options

Pick up one of the best kids' mattresses for a better night's sleep (for everyone)

best kids mattress
(Image credit: Ketut Subiyanto from Pexels)

Getting a good night’s sleep is so important in a child's early years that it's worth investing in one of the best kids' mattresses around. An old mattress could impact their bones and muscles during such an important time for growth, not to mention that poor sleep patterns could adversely impact their development in general. But when it comes to the best mattresses and the best memory foam mattresses, kids and adults have very different needs. 

When children are very young, especially when first moving from a cot mattress to a bed mattress, you'll probably want some type of waterproofing to guard against accidents. Some children find it difficult to settle during the night due to overheating or allergies, and some of the best kids' mattresses tackle these issues head on. Good quality construction and materials are also important to ensure that the mattress continues to provide a good level of support and comfort over time. 

Whatever you’re looking for, these are the best kids' mattresses for promoting healthy growth and a good night’s sleep during your children’s early years. 

Best kids' mattresses: Sealy Activ Latex 1400 Pocket Spring Mattress

1. Sealy Activ Latex 1400 Pocket Spring Mattress

Keep your child cool and supported

Best for: Cooling
Type: Latex and pocket spring
Depth: 29cm
Comfort grade: Medium
Reasons to buy
+Stays cool

Children can often get quite hot in the night, and it’s important to regulate their body temperature for them to get the best night’s sleep possible. This is a classic pocket sprung mattress, but with an added layer of latex which allows for better airflow throughout the mattress. Not only that but it’s hypoallergenic and eco-friendly, with a luxury pillow top finish that adds extra comfort and durability. You can expect this mattress to last throughout their childhood, and help kids develop a healthy sleeping pattern. 

Best kids' mattresses: Kinder Memory Mattress

2. Kinder Memory Mattress

A mattress that moulds to your kid's body shape

Best for: Fidgety kids
Type: Memory foam
Depth: 15cm
Comfort grade: Medium firm
Reasons to buy
+Contours to the body

Memory foam is great for those children who find it difficult to get comfortable in the night. One of the best kids' mattresses to use this material, the Kinder will support the body, but allow children to sink into it while it moulds to their body shape, to find a position they can sleep in all night. Unlike with a spring mattress, you can expect no movement, noise or feeling of springs when moving in the night. 

Best kids' mattresses: Little Big Dreams Dream Catcher

(Image credit: Dreams)

3. Little Big Dreams Dream Catcher

Comfy mattress for their 'first big bed'

Best for: Kids prone to allergies or overheating
Type: Pocket sprung
Depth: 20cm
Comfort grade: Medium soft
Reasons to buy
+Good waterproofing

As the name suggests, this mattress from Dreams is designed to lie on your child’s 'first big bed'. With 392 individually wrapped pocket springs, it aims to provide a comfortable experience for your little ones, even if they wander over to the edge of the mattress. It comes with luxurious cover with hypoallergenic and heat regulating treatments to aid sleep, so it’s a good choice if your child tends to get overheated at night. And there’s a top panel with a waterproof layer underneath, which can be removed and washed at 60 degrees, to protect against accidents.

Best kids' mattresses: Silentnight Healthy Growth Junior Mattress

4. Silentnight Healthy Growth Junior Mattress

Firm spring mattress offering pressure relief

Best for: Comfort
Type: Spring
Depth: 26cm
Comfort grade: Firm
Reasons to buy

Growing bones need support, and with this Silentnight mattress, you can rest assured they will sleep easy. One of the best kids' mattresses to employ springs in its construction, this model uses the Miracoil system which provides pressure relief and a firm surface for children to sleep on, whatever kind of sleeper they are. It’s also completely hypoallergenic, which is great for younger children who suffer with hayfever or other allergies. 

Best kids' mattresses: Silentnight Rolled Foam Junior Bunk Bed Mattress

5. Silentnight Rolled Foam Junior Bunk Bed Mattress

Foam mattress designed to reduce bunk bed movement

Best for: Bunk beds
Type: Memory foam
Depth: 14cm
Comfort grade: Medium
Reasons to buy
+Absorbs movement 

Bunk beds may seem like fun, but they can sometimes interfere with sleep. For instance, if the top bunk sleeper is fidgety, or if it’s particularly hot in the room then the bottom bunk sleeper may have difficulty nodding off. This Silentnight memory foam mattress has been designed with bunk beds in mind, with foam that absorbs movement so that both children can sleep undisturbed. It has a quilted top for a softer surface, too which can be great for soothing tired joints. 

Best kids' mattresses: Simba Hybrid Bunk Bed Mattress

(Image credit: Simba)

6. Simba Hybrid Bunk Bed Mattress

Hybrid bunk bed mattress that's grown-up friendly too

Best for: Bunking up with your kid
Type: Hybrid (foam + springs)
Depth: 16cm
Comfort grade: Medium-firm
Reasons to buy
+Comfy for adults & kids

Another one of the best kids' mattresses designed for bunk beds, this slimline model is suitable for children from three years up. Combining springs that move side-to-side and back-to-front, plus two layers of foam, it’s a medium-firm mattress comfortable for both kids and adults. So it’s a good choice if you expect to occasionally share a top or bottom bunk with your child to help them sleep through the night. Plus, there’s a very generous 200-day trial so you can be sure you like it.

Best kids' mattresses: Airsprung Elliott Anti Allergy Mattress

7. Airsprung Elliott Anti Allergy Mattress

Helps your child breathe easy at night

Best for: Allergies
Type: Open coil
Comfort grade: Medium
Reasons to buy
+No need to turn

Featuring 192 springs with a deep, quilted finish, this open coil mattress provides both support and comfort to children when they are growing. It's been designed with allergies in mind, so if your child suffers from hay fever or any kind of dust allergy, rest assured it will deter dust mites and other irritants that may inhibit their sleeping or breathing. 

Best kids' mattresses: Little Home at John Lewis Hampshire Wool Pocket Spring Mattress

(Image credit: Little Home/John Lewis)

8. Little Home at John Lewis Hampshire Wool Pocket Spring Mattress

Natural materials and a luxury feel

Best for: Luxury feel
Type: Pocket spring & wool
Comfort grade: Medium
Reasons to buy
+Comfort and quality

Made exclusively for John Lewis, this pocket spring mattress is filled with a Hampshire wool and cashmere blend that's soft, breathable, and helps dissipates heat to regulate your child's temperature through the night. There's no need to turn or rotate it, and the 100 per cent cotton cover has a luxurious feel. All in all, this is a high-quality kids' mattress at a surprisingly affordable price.