What really makes Helix's mattresses a good choice for us side sleepers plagued with back pain is the ErgoAlign layer you can add to any of them. It costs an extra $200, but it changes the top of the mattress to use dense body-contouring foam to add additional relief. It's designed to help relieve lower back pain, which is where my spondylosis pain comes from, and I found that my back did feel great in the morning and didn't have any twinges or hints of pain. The pressure relief was good, too, keeping my side-sleeper pressure points pain-free. My husband has zero back pain, and he also loved sleeping on this mattress. It is on the tall side, but not so tall that I couldn't use any of my favorite sheets on it.
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