On January 1, 2018 the American Academy of Sleep Medicine made several updates and changes to the A-STEP Modules. Effective June 1, all CPSGT & RPSGT exam candidates using the Eligibility Pathway 1 or 4 (RPSGT) or Pathway 1 or 3 (CPSGT) must complete the new series of 26 modules in their entirety in order to meet eligibility requirements to apply for these exams.