The 8 Best Innerspring Mattresses That Relieve Back Pain: "The Brooklyn Bedding Signature has the right blend of support and comfort for side sleepers to get a restorative night’s sleep. With firmness options that range from soft to firm, the mattress is constructed out of dense polyfoam and features a layer of pocket coils to keep your spine in neutral alignment. The gel memory foam layer and quilted mattress topper provide cushioning to tender pressure points."