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.

No matter your sleep style or budget, sleeping on one of the best mattresses of the year for all sleep styles ensures a ...