We received our queen-sized bed a little over a month ago. At first I was skeptical especially since I have suffered from lower back pain for the last 20 years. I noticed the difference after about 3 nights. I have to wake up to feed my infant and nightly I would get out of bed to feed her and feel stiff and sore. After sleeping on the Swiss Dream bed after a few nights I noticed I no longer felt any stiffness in my back or knees when I woke up in the night and felt a lot more rested (even with interrupted sleep) in the morning. It is definitely a product that delivers what it promises to deliver!