For people who have done fasting prep and may feel ill, they should not be required to sit in the waiting room for a long time. I waited for 30 minutes before I got a bed and I felt very nauseous. I also was doing a colonoscopy prep and to have to use a single stall bathroom with no fan or noise cancellation where I could be heard by the people sitting outside was also very unappealing. Once in the back, the staff was wonderful and made me feel very comfortable and took care of my needs, making me feel more comfortable. 
EMSMOR