Which mattress is best for side sleeping? You'll be sleeping comfortably no matter which mattress model you choose! Compare our mattress models HERE. Or take our Mattress Finder quiz to help you find the mattress that best suits you, HERE. Related articles Can you use a heated mattress pad on the Purple® Mattress? Do you need to flip the Purple® Mattress? Is there a weight limit for the Purple Mattresses? How can I clean the zip cover that protects the Purple® Mattress? Does the Purple® Mattress off-gas?