Find the best mattress deals from Nectar, Amerisleep, Casper, Nectar, Purple and Saatva in the Fourth of July sales

July 4th is one of the best times to get a deal on a mattress, bedding, pillows and more — and you don't even have to wait until Amazon Prime Day to shop these sales.

Helix has been one of our favorite mattress brands for years. It's the recipient of a GQ Sleep Award, and our testers have consistently praised the brand for its ability to offer quality sleep, night after night. For the Fourth, the whole website is 25% off, while each purchases includes a bundle of sleep goodies worth hundreds.