Microcoils promise to add comfort and support to mattress toppers, but what are these mini springs and why are they so popular?

Shop Casper’s 4th of July mattress sale to save up to 30% on mattresses and 35% on bedding bundles. Upgrade your bedroom with top-rated comfort now.

Craving a better night's rest? Save up to 70% on top mattresses from Tempur-Pedic, Serta and more at Mattress Firm's 4th of July sale.

To celebrate the Fourth of July, save thousands of dollars on a new mattress from brands like Saatva, Casper, Purple, and many more. Here, find the best deals.

We tested eight popular firm mattresses to compare how well they relieve back pain and support stomach and back sleepers. We found two we’d recommend to anyone.

Casper's $1,000 The One mattress replaces the fan-favorite Original. It's firmer than its predecessor, with excellent cooling and motion isolation.

We tested eight popular firm mattresses to compare how well they relieve back pain and support stomach and back sleepers. We found two we’d recommend to anyone.

Tempur-Pedic frequently updates its mattress line-up and when a model is no longer manufactured, it's often placed in a closeout sale to clear old stock. The biggest advantage of a closeout sale ...

The NapQueen Elite Series Machka 12 from Walmart is another medium-firm mattress on sale. The king-sized mattress is now on discounted, with over $300 in savings.