And while Kodi offers a list of add-ons for streaming Internet music and video, none of its built-in options come from pirated sources. Perhaps the sticking point for Amazon involved the more illicit add-ons that you can acquire from outside the main Kodi app.
Testing and treatment. Sleep apnea is diagnosed using an overnight polysomnogram (PSG), or sleep study. (1,2,3) A PSG is conducted overnight at a sleep laboratory. Several monitoring devices continuously measure breathing, blood oxygen levels, heart rate, limb movements and more.
The severity of sleep apnea is determined using the AHI or Apnea/Hypopnea Index, also referred to as the RDI or Respiratory Distress Index. This is the total number of apneas plus the total number of hypopneas, divided by the length of the sleep period.