Cot mattresses advice guides

Ensure your baby has a safe and comfortable sleep in their cot or cot bed. Find out how cot mattresses from popular brands, such as Ikea, John Lewis and Mamas and Papas, scored in our tests.

2 articles

Best cot mattresses

We've tested cot mattresses from Argos, John Lewis, Mamas & Papas and more, to find out which are firm and supportive, easy to clean and resistant to leaks

28 May 2025

Which? Don't Buy cot mattresses

A Don't Buy cot mattress won't give your child the vital body support they need and it could pose a safety risk to your baby

28 March 2025