We purchased the Zen 6 weeks ago, and we are so pleased we chose Zen. It was very difficult as a lot of choice for similar beds. We narrowed it down to just two, the Zen and the Emma, but when we tried the Emma we found it too firm. Now we are sleeping like babies. The mattress contours to our body shape which sort of cocoons you. If there i Read more abouts one thing that could be improved I would say to put handles on the sides of mattress to enable ease of movement when turning regularly.