Evaluation of the Performances of the Sleep Disordered Breathing Monitoring Function in Pacemaker

Inclusion Criteria: Any patient enrolled in the study must fulfil all of the following criteria: * Patients eligible for implantation of a single or dual-chamber pacemaker according to current available guidelines * Patients who are scheduled for implant of a REPLY 200 SR; or REPLY 200 DR pacemaker * Patients who provide signed and dated informed consent Exclusion Criteria: * Inability to understand the purpose of the study or refusal to co-operate * Unavailability for scheduled follow-ups at the implanting centre * Already included in another clinical study that could affect the results of this study * Inability or refusal to provide informed consent * Patient is minor (less than 18-years old) * Patient is pregnant (women of childbearing potential should have a negative pregnancy test prior to enrolment) * Patient is forfeiture of freedom or under guardianship