The registry is to measure longitudinal outcomes and adherence of the Inspire System. The goal of the registry is to capture the life cycle of the patient's use of the Inspire System through routine clinical care visits. There are no required interventions or testing.

Inclusion Criteria:

Any patient implanted with or receiving an Inspire implant, who meets the following criteria, is eligible to participate in the registry:

1. Capable of giving informed consent, as required per institution
2. Willing to return for routine clinic visits as required for Inspire therapy management

Exclusion Criteria:

Any patient who meets any of the following criteria will not be eligible to participate in the registry:

1. Has a life expectancy of less than one year
2. Any reason the clinician deems patient is unfit for participation in the study

Patients previously implanted or scheduled to be implanted with an Inspire System will be informed of the registry and given the option to participate by qualified Euro-Stim Registry staff. Up to 1,000 patients at up to 55 centers in multiple countries in the European Union and the United Kingdom will be included in the registry.