My partner and I tested Sleep Number's ClimateCool smart bed for 90 nights -- and our sleep has never been so similar. Here's what to know about this high-tech bedroom setup. Aly Lopez was a writer on ...

I'm a certified sleep science coach who has tested over 50 mattresses. Every industry has its top-of-the-line players, and Sleep Number is one of the bigwigs among mattresses. The Sleep Number ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WHO IT'S BEST FOR: Couples, especially ones who don't agree on firmness level. It's also great for those ...