Too thin baby mattresses are uncomfortable

A thickness of up to 12 cm is considered sufficient for baby mattresses. Due to the low weight of the babies, a thicker mattress would not increase the child’s sleeping comfort. However, it should be at least 8 cm wearable blanket for baby    we have shown the respective density and the thickness of the baby mattress in the corresponding categories in our product table per model for you.

For cots, baby mattresses of 70 x 140 cm and baby mattresses with 60 x 120 cm in size are common this means that the baby mattresses fit into commercially available baby cots. A baby mattress with a size of 60 x 120 cm is recommended for the right baby cot for newborns up to 2.5 years. Due to its size, it offers a lot of security for the baby. For a cot measuring 70 x 140, baby mattresses and other accessories are often easier to obtain. These measurements are recommended for children up to 4 years of age. The beds can often be converted into cots without bars. Because these beds are standard sizes, the corresponding baby mattresses are often particularly suitable. Online tests recommend no more than 3 cm of space between the bed frame and the mattress for kids for safety reasons. If you use the baby cot with 70 x 140 cm for small children, you can increase the security with a nursing pillow that you put on the mattress. To find out more about kid’s mattresses visit Eco Kids.

We compare baby mattresses in the two standard sizes for baby cots below:

60 x 120 cm

  • Suitable for baby cot 60 x 120 cm
  • Recommended up to 2.5 years
  • Offers a lot of security even for young babies

70 x 140 cm

  • Suitable for baby and cot 70 x 140 cm
  • Recommended up to 4 years
  • Also fits in a convertible cot

For example, a baby mattress with 50 x 100 cm fits into a cradle

If you do not want to use the baby mattress for the classic cot, but for example for a cradle or a bassinet or the baby mattress for an extra bed, then you will also find baby mattresses in other sizes. In addition to the baby mattress with 50 x 100 cm, you also get sizes with 50 x 90 cm, 40 x 90 cm or 55 x 90 cm. On the Internet, you will also find manufacturers who make baby mattresses to measure. Thus, the baby mattress for the extra bed or the bassinet can not only be made to fit exactly but also in an individual shape is possible. To do this, submit a template to the manufacturer, according to which the mattress is cut.

What additional features should you look for for the best baby mattress?

A baby mattress with a stepping edge increases safety

The stepping edge is intended to provide more safety for older children who can already stand in bed. This is a reinforced, circumferential edge. If your child gets up in bed, he does not sink to the edge of the mattress and does not slip between the bars of the cot.

A reversible baby mattress becomes a children’s mattress

Baby mattresses, which are equipped with different hardnesses per side of the mattress, can be turned over as your child gets bigger and heavier and used as a children’s mattress. The softer side is used for the lighter baby and the harder side for older children.

The baby mattress with moisture protection must still be air-permeable

If wet protection is important to you in a baby mattress, then you should choose a baby mattress type with integrated moisture protection. This prevents the mattress core from becoming damp but still ensures that the baby mattress remains breathable and air-permeable. Moisture protection as a requirement can be impermeable to air and thus pose a danger to your baby if he lies on his stomach.

Organic baby mattresses are made from organically grown raw materials

Raw materials such as cotton or coconut fibers, therefore, contain neither pesticides nor other pollutants. In order to ensure that other components of a baby mattress are also tested for harmful substances and harmless to health, you should also pay attention to certification according to Oeko-Tex 100.

Mattresses with sensors give a warning when breathing stops

Moving small parts such as a zipper can be swallowed by children and, according to Stiftung Warentest, may represent a serious safety deficiency.weight limit for a baby swing many parents also fear sudden infant death syndrome. A mat with sensors placed under the baby mattress is equipped with an alarm. This strikes when your child’s breath is no longer perceived by the sensors. However, online tests indicate that not every mattress with sensors is compatible with a baby mattress. Baby mattresses made of natural fabrics often do not work with a sensor mat. The sensor mat is usually in the cot sizes 60 x 120 cm and 70 x 140 cm and thus fits exactly under the baby mattress in your cot.

The advantages and disadvantages of mattresses with sensors are shown below:


  • Monitors the child’s breathing
  • Sounds the alarm when suspending breathing
  • Perfect fit for baby mattresses


  • Not compatible with all baby mattresses
  • It May be susceptible to failure


Less for safety, but al comfort factor, baby mattresses are equipped with a heartbeat. Especially newborns should remember the time in the womb thanks to a simulated heartbeat and feel particularly comfortable.

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