According to the American Heart Association, you can get an accurate blood pressure reading by doing the following: Don't smoke, exercise, drink caffeinated beverages or alcohol within 30 minutes of the reading.
1 In the same television series Joel Nestler played the teenage aged version of Clark Kent.  Superman (1948) and Atom Man vs. Superman (1950) were the first television series made starring the comic book character Superman. Kirk Alyn played the super hero in both these productions.
Clark Kent is the person, Superman the identity: With John Byrne's more assertive revamp of Clark Kent as well as Superman's greater grounding in Earth culture and humanity (as opposed to the everpresent Kryptonian heritage of the Pre-Crisis version), Superman is considered the mask and Clark the person.