The man felt abominably ill and rushed to the hospital when his symptoms worsened.
When the economy entered recession, the workhouse conditions had to be worsened more.
Administration of oxygen may be necessary especially if the condition has worsened to a point where the body is not receiving enough oxygen.
In situations where the sleep apnea condition has worsened to a severe level or when there are complications that make sleep apnea life threatening, dentists and doctors will work together to determine if a surgical procedure is necessary.
You may want to contact your physician before starting any such exercise program to ensure your body is up for it and no health complications would be worsened.