How does Layla help back pain go bye-bye? It’s all about using layers to keep your spine aligned and evenly supported. At the center is a firm, supportive core layer of thick foam: It’s the main support layer for your whole body as you sleep. Next to that is a layer of convoluted foam that provides more give, and a little air gap to help release body heat. The outer layer is where the big difference lies. Copper-infused memory foam has a plush give, but stiffens as it’s compressed, so the parts of your body that might sink lower are held up by more support. No sagging body, no aching back.