If you're considering adjusting your own CPAP air pressure settings, the safer method is to upgrade from a constant-pressure CPAP machine to an auto-CPAP machine. Auto-CPAPs (sometimes referred to as APAP) adjust pressure automatically according to your ongoing needs. You can read more about auto-adjusting CPAPs here.
After attaining his freedom, Nelson Mandela led the ANC in its negotiations with the governing National Party and various other South African political organizations for an end to apartheid and the establishment of a multiracial government.
In June 1999, Nelson Mandela retired from the Presidency of South Africa. But although he retired as President of South Africa, he worked tirelessly, campaigning globally for peace, children and the fight against HIV/Aids in particular.