To find the best king-size mattresses, we tested over a 100 beds. But there are more top-notch picks to consider, from memory foam and organic options to hybrids that offer softness and support.

A niche product popular with pro athletes and the super-tall, mega mattresses are now finding a wider audience.

a California king mattress offers more legroom than a standard king bed, and to some people’s surprise, a slightly smaller width. In addition to added space for your furry friends or big-and ...