Finding a comfortable pillow can be surprisingly personal. A pillow that feels perfect for one person may feel too firm, too soft, or too high for someone else. This is especially true for people who spend most of the night sleeping on their side. Side sleeping changes the way the head, shoulder, and mattress interact. Instead of choosing a pillow based only on its appearance or softness, it can be helpful to compare features such as loft, support, materials, and adjustabilit