What are the best mattresses for co-sleeping with kids?

Here’s a list of the best mattresses for co-sleeping with kids, highlighting firmness, safety certifications, materials, motion isolation, and edge support.

Koala Mattress

Why Koala Mattress is a good choice

• Adjustable firmness layer lets you choose the best comfort for your family.
• Certified safe foam and breathable cover make it ideal for kids.
• Excellent motion isolation keeps the whole family undisturbed at night.

The Koala Mattress is designed with a flippable comfort layer, allowing users to choose between medium-firm and firm settings for appropriate support, which is important for both adults’ and children’s spinal alignment. It is made with CertiPUR-US® certified foam, ensuring it is free from harmful chemicals, and the TENCEL™ Lyocell cover adds breathability and moisture control, contributing to a safer, more comfortable sleep environment. The mattress is effective at limiting motion transfer, which helps prevent sleep disruptions when co-sleeping with children. Edge support is moderate, offering reasonable safety and usable sleeping surface for families.

SEALY Posturepedic Elevate

Why SEALY Posturepedic Elevate is a good choice

• Multiple firmness options support different sleeping styles and body types.
• SmarTex® fabric keeps the mattress cool and comfortable for everyone.
• Sturdy edge support maximises sleeping space for co-sleeping families.

The Sealy Posturepedic Elevate range is available in various firmness levels, such as Medium Firm and Ultra Firm, providing tailored support suitable for both adults and children. Medium Firm is generally recommended to promote proper spinal alignment and prevent discomfort. The mattress features SmarTex® fabric treatment for moisture control and ComfortCore® SenseMaterial, which adapts to body contours for enhanced comfort. Although specific safety certifications like CertiPUR-US or Greenguard Gold are not stated, the materials used aim to support a safe sleep environment. Edge support is reinforced, while motion isolation performance may vary according to user reviews.

EMMA Comfort Mattress

Why EMMA Comfort Mattress is a good choice

• Medium-firm feel supports healthy spine alignment for children and adults.
• OEKO-TEX® certified and hypoallergenic, making it extra safe for little ones.
• Good motion isolation means fewer night-time disturbances from movement.

The Emma Comfort Mattress is rated medium-firm, offering balanced support suitable for adults and children and helping to maintain proper spinal alignment. This firmness level is recommended to reduce suffocation risks for co-sleepers. It holds the OEKO-TEX® Standard 100 – Class 1 certification, confirming the absence of harmful substances and suitability for babies and toddlers. The mattress is constructed with non-toxic, hypoallergenic materials, including a breathable, washable polyester cover and Airgocell® foam comfort layer. It provides good motion isolation to minimise partner disturbance during sleep, though its edge support is average, with some sinkage noted at the perimeter.

Ecosa Adjustable Mattress

Why Ecosa Adjustable Mattress is a good choice

• Customisable firmness lets you tailor support for your family's needs.
• Non-toxic, hypoallergenic materials ensure a safer sleeping environment.
• Superior motion absorption helps everyone sleep more soundly together.

The Ecosa Adjustable Mattress allows users to customise firmness levels by rearranging its three foam layers, offering medium, medium-firm, and firm options. This adjustability supports proper spinal alignment and minimises suffocation risks for both adults and children, which is recommended for co-sleeping. Made from non-toxic, hypoallergenic materials, the mattress holds CertiPUR-US® and OEKO-TEX® Standard 100 certifications, helping create a safer sleeping environment. It provides effective motion isolation, helping to reduce sleep disturbances caused by movement from others in the bed. Edge support is average, with some compression at the sides, although sleeping comfort remains stable across the surface.