Cot mattresses provide the sleeping surface for your baby from the time they arrive in the world to around the age of 2-3 years old. This is a crucial time, not only for your child but for you. You’re going to be frantically getting used to the change in routine and ensuring your child has all the things they need. We can bet that sleep is going to be one of the areas of your life that will become immensely precious! It’s the same for your child though too which is why a suitable mattress is so important. You want to minimize the chances of an unsuitable mattress causing your child a restless nights sleep.