I have had the mattress for just under 4 months and been complaining for the last 2. The mattress is described as having "5cm of iGel™ Advance beaded gel for pressure relief, helping relieve aches and pains", this is false advertisement! I have sufferred with my joints for years and this mattress declares to relieve pressure, well how come I sufferred my first pressure sore ever since sleeping on this mattress? This mattress has caused me a physical injury and Benson for Beds should be ashamed as they will not address the problem! The mattress also claims to "iGel™ Graphene technology provides 7 times better heat transfer" another lie, I am either freezing or too hot, I have never had my covers on and off so much in all my life, I am just not sleeping. The mattress also claims "Surrounding this is the AdvantEdge™ foam which works with the 2500 pocket springs to offer edge to edge support stopping you and your partner rolling together and disturbing one another." This one is a total joke, I have to sleep with a body pillow as I have spinal condition, this was a feature I needed to help support my spine when sleeping next to my husband. My husband now has to sleep right on the edge of the bed to help me stop us rolling together. When we complained about this, Bensons sent out Homeserve to test the mattress, this is laughable, really...the gentleman who came to test the anti roll etc., lay on his own on one side for a set amount of time and then changed sides and did the same again and reported that the bed was supportive?????? How do you check on your own for partner roll together??? This company falsley advertises what their mattresses do and then won't listen to your complaints but says they replied to you, but all they do is send an automated survey reply! and then tell you when you get back to them that you are outside of your comfort guarantee, they prey on the vulnerable. I have a life threatening limiting illness, they have no morals, money drives them. I would advise everyone to use your local independant stores where the customer counts.