Alpharetta, GARPSGT/Nighttime Clinical Supervisor at Sleep Disor... For the past 9 years I have worked as a sleep tech. In December of 2002, I passed the required testing to become a Registered Polysomonographic Technologist... For the past 9 years I have worked as a sleep tech. In December of 2002, I passed the required testing to become a Registered Polysomonographic Technologist (RPSGT). My career in sleep began with a small lab in Macon and moved quickly to the Atlanta/North Georgia area where I worked in small labs...