Clinical Research Directory

Inclusion Criteria: * Age 22 years or older * Baseline sleep study (polysomnogram \[PSG\] or home sleep apnea test \[HSAT\]) within 2 years prior to implant indicating moderate to severe central sleep apnea. The sleep study needs to have hypopneas classified. * Signed Institutional Review Board (IRB)/Ethics Committee (EC) approved informed consent * In the opinion of the investigator, subject is willing and able to comply with the protocol. * Not currently enrolled or planning to enroll in any clinical trial/study or registry that may conflict with protocol requirements or confound subject results in this study, unless approved by the sponsor * In the opinion of the investigator, life expectancy exceeds one year * Not pregnant or planning to become pregnant * Has access to a smartphone