Side sleepers using a soft mattress may have different pillow requirements because the shoulder can sink deeper into the mattress. This reduces the distance between the head and sleeping surface, meaning an extremely high pillow may not always be necessary. The best pillow for side sleepers on a soft mattress should provide enough loft to support the head without feeling excessively e... https://www.ariesandrose.com/collections/the-rose-home/products/rose-devotion-pillow