Here’s how it works. At 76x80", king-size mattresses can be practical for couples who value personal space, co-sleeping parents, and those with large pets who seem to sneak under the covers.

This medium-firm mattress with pressure relief is the best king-size mattress for an array of sleeping positions. It features ...

Upgrading to a king-size mattress can be a good move for a number of reasons. Maybe you sleep with a partner and need some extra space, or maybe you just want more room to sprawl out at night.

Shopping for a king size mattress but struggling to find a bed that suits you, your partner, and your budget? I've rounded up the very best king size mattress deals, all for less than $1,000 and ...

The best king-size pillows offer you support and comfort along with plenty of space to sprawl out. See our top picks from ...

Back Science mattresses are very expensive. For example, a queen-size Series 3 Hybrid costs $3,500. King-size mattresses can cost $4,000 or more. The more basic models are more affordable ...

Who tested it: Kiki Aranita, Strategist contributor and a side sleeper, who shares a king-size bed with her side-sleeping husband and her Chihuahua, Coconut. Middle-ground firmness: I live in two ...

Serta offers several mattress types, including memory foam, innerspring and hybrid, and sizes from twin to California king. Serta also sells pillows, sheets, crib mattresses and pet beds.