By Wesley Vaughn   Adjustable Beds: Adjusting for Health and Comfort When adjustable beds became available for home use, they were commonly called “hospital beds.” This was only natural, since until that time adjustable beds were primarily used in hospitals. The first adjustable beds were beds with adjustable side rails, first used in English hospitals in the early 1800s. Then beds could be tilted with either the foot high (Trendelenburg position) or the head high...