We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Coronavirus Read our latest advice

Baby & child.

Cot mattresses advice guides

6 articles
Find the best cot mattress to give your baby a safe and comfortable sleep in their cot or cot bed. And how popular brands, such as Ikea, John Lewis and Mamas and Papas, get on in our reviews.

Which cot mattress should you buy?

By Which?
What is a good cot mattress? How thick should it be? What cot mattress is best for baby? How should it fit? Get the answers to these questions and more.
13 October 2020

Cot mattress safety

By Which?
Give your baby and toddler the best and safest sleeping space with our top cot mattress tips.
1 October 2020

Baby safe sleeping tips

By Which?
Get advice on the correct temperature, clothing, bedding and sleeping position to keep your baby safe at bedtime.
1 October 2020

Which cot mattress brand to buy

By Which?
Unique Which? customer satisfaction data helps you choose which cot mattress brand to invest in. Find out whether John Lewis, Mamas & Papas, Mothercare or Ikea cot mattresses are rated top by parents.
13 October 2020

Baby bedding safety

By Which?
Find out what baby bedding (from everything out there) you actually need to keep your baby snug and safe in his or her cot bed.
1 October 2020

How we test cot mattresses

By Which?
Our cot mattress reviews tell you how firm and supportive a mattress will be as your child grows, how easy it is to clean, and how resistant it is to leaks. 
1 October 2020