Casper is serving up some seriously Cyber Monday sales on mattress bestsellers, such as the premium foam mattress and the cooling hybrid mattress (ideal for hot sleepers). Everything is up to 40% off—and take 35% off for everything else sitewide, like bedding, mattress protectors, and furniture.

If you’ve been holding out on replacing that sunken-in mattress (you know, the one you've had since college), let Black Friday be your wake-up call. This is one of the biggest shopping events of the year,

We found the best mattress deals at Amazon, Wayfair, Mattress Firm, and more on Black Friday. Save up to 66 percent on memory foam, hybrid, and gel foam mattresses from top brands, including Sleep Number,