As the bed moves so does the mattress.
Mattress that moves up and down.
Move the bed off to the side and place the rug on the floor.
To move a mattress by yourself try to fold it half width wise and secure it in place with 2 or 3 ratchet tie down straps.
This allows you to place the mattress in the ideal position that.
Lift the bed frame up at each corner and slide the pieces of rubber liner underneath.
Model one and monaco control wands also provide a built in memory function that memorizes your two favorite bed positions and assumes either position by a single press upon the memory function button.
Once your mattress is in a more compact shape stand it on one of its ends and lift it up onto a dolly.
You mention your need for an adjustable bed is related to a physical health issue.
There many types of adjustable beds there are ups which are often wired remote bases that only move your upper torso and head up and down starting at usually 500 for a queen.
All control wands adjust the head and foot of the bed up and down at the touch of easy to use buttons.
Using a remote control the motor of the bed moves both the upper and lower portions of the bed up and down via a remote control.
With an adjustable bed you have the ability to elevate your legs the upper portion of your body or both.