Our bed/mattress is in a slide and is a short queen, we cannot use a regular queen size either as it has to snug up against the closet doors to put the slide all the way in. We have a regular mattress with a foam topper on top of it. Are you sure you don't have a bed that is too.... soft with all the layers you have. That won't keep your spine aligned correctly and areas will be sunk in too deep. Our topper is a 5" topper with gel layer. Even so, after 9 yrs the base mattress is getting worn out and in need of replacement as it is starting to get too soft to offer the needed support under the memory foam. If that base mattress is not good, the memory foam on top may not help.
