I purchased the Perfect Sleeper Hanaway Plush model and I couldn't be happier. My previous mattress was years old and was just a regular spring mattress I had gotten from a friend. Before I purchased my Serta I usually woke up multiple times per night. I also have sleep apnea which doesn't make sleeping any easier, so when I got this new mattress and box spring it was like a dream come true. The first night of sleeping on it I slept great(I also got a Serta memory foam mattress topper which makes it even more amazing)! It's really comfortable and it feels like your body just melts into it. I would recommend Serta to anyone especially people with back problems or just have trouble sleeping.