having recently been mattress shopping, note that boxspring/whatever else you have under the mattress can have a huge impact on the isolation from left/right of

having recently been mattress shopping, note that boxspring/whatever else you have under the mattress can have a huge impact on the isolation from left/right of the mattress. I also recommend Consumer Reports' mattress reviews. Our mattress had excellent isolation in the store, but at home, on our adjustable platform, isolation is much lower! The adjustable platform sways left and right quite a bit.