My edit: Extra "S8" to all my references to ResMed devices Within this old post, Because the definition of hypopnea was improved by ResMed from the later S9 sequence devices.???? ??? ??????? ?????? ????????? ????? ????? ??? ??? ?? ??? ?? ???? ?? ???? ???? ?? ???? ????? ????? ?? ???? ??? ????? ?????? ????? ?? ??????? ?????? ?? ???? ???? ????.Lemon b