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Why are so many cot mattresses failing safety tests?

More than 60% of cot mattresses we've tested in the past two years are Don't Buys due to safety issues uncovered in our cot mattress testing. Find out what they are, and what you can do to ensure a safe and happy night's sleep for your baby.

Watch out for these potentially unsafe baby products in 2020

We tested a range of baby and child products over the last year, some of which did so poorly in our tests that we made them a 0% Don’t Buy.

Which cot mattress brands do parents rate?

Find out which cot mattress brands are most popular with parents and how highly they rate them. We spoke to 1,598 parents who own and use a cot mattress to find out if they would recommend their cot mattress to a friend and whether they think their mattress was good value for money.

How often should you clean your baby’s cot mattress?

Find out how often other parents clean their cot mattress, plus advice on how to choose a cot mattress that's easy to clean and how best to clean it to ensure your baby has a safe and germ-free sleeping environment.

Smothering-risk cot mattress is a Which? Don’t Buy

Our most recent cot mattress tests uncovered potential safety issues with the Baby Dunlopillo Safe Sleep Cot Bed Mattress. Find out more about this Don't Buy cot mattress.

Are cheap cot mattresses better than pricier ones?

Cot bed mattresses can cost anywhere from £45 up to £250. Find out if our tests have found any correlation between cot mattress price and performance and if you'd be better with a cheap cot mattress or an expensive one.

Rates of SIDS rise for first time in three years

Cases of sudden infant death syndrome (SIDS) are increasing for the first time in 3 years. We look at what you can to reduce the risk in terms of putting your baby to sleep, as well as how to choose the best cot mattress and cot bed for their nursery.

Latest cot mattress reviews reveal Best Buys and Don’t Buys

Our recent test of six cot mattresses found three disappointing Don’t Buys and two Best Buys. Find out those cot mattresses we'd suggest you avoid and those you might want to consider adding to your nursery shopping list.

Silver Cross launches new cot mattress range – is it worth investing in?

Premium British baby brand Silver Cross has a new range of cot mattresses costing between £99 and £199. Should you buy one for your baby’s cot bed? Read on for everything you need to know about this new cot mattress range.

Which? repeats warning to parents over smothering risk cot mattress

We're repeating our call for the Stokke Home Bed cot mattress to be removed from sale following a failure in one of our recent tests which we believe makes this mattress a smothering risk, especially for babies younger than six months.

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