Can I expect any softening over time? Simba - Odyssey January 23, 2018 13:46 Follow Not at all, the memory foam will continue to respond to and support your head for many, many sleeps. Related articles How big is the box that it'll come in? Do I need to wait after opening it? Can I buy the protector in John Lewis? Being memory foam, won't it make me too hot? How firm is the pillow? Can I return my Simba bedding, furniture or accessories?