Allow us to state the obvious ... King A California king may be slightly longer, but king mattresses are the widest standard size, and your room should be at least 116 inches (9 ½ feet) by ...

A king-sized mattress in the US won't be the same size as a king ... however illogical that might sound. The standard sizes for duvets basically follow the size of the mattress.

Based on five years of professional mattress testing, I've outlined the six standard sizes in our mattress size chart below and recommend the best use cases. I've also covered 10 less common ...

We Spent Weeks in our Lab with 10 Mattress Testers: Here Are the 14 Best Mattresses of 2025 Our rankings, ratings, and product reviews are unbiased. We do not rank or rate products or services ...

King size mattresses are associated with luxury — just think of a room from nearly any 5-star hotel — but they can be quite practical, too. They offer plenty of space for couples, co-sleeping ...

Aly Lopez is a writer on the sleep team at CNET. She tests, researches and reviews everything sleep-related, from mattresses and bedding to sleep trends and hacks to sleep technology and supplements.

The versatile queen size mattress measures 60 inches by 80 inches, offering plenty of room for bed sharers or solo sleepers who like to stretch out. The best queen size mattresses fit into the ...