The Nectar Premier Memory Foam is the better mattress for back sleepers and those who value longevity and support, with a verdict score of 8.5. The Casper Original Foam is a good option for side sleepers and those on a budget, with a verdict score of 7.5. According to Mattress Nerd, the Nectar Premier has a 9.5/10 rating for support and pressure relief, while the Casper Original Foam has a 7.5/...