WAKIX® (Pitolisant) Pregnancy Registry

Inclusion Criteria: * Pregnant woman of any age * Consent to participate * Authorization for her HCP(s) to provide data to the registry * For participants with a diagnosis of narcolepsy: exposure to at least one dose of pitolisant or one dose of a comparator product, or, unexposed to pitolisant or comparator products at any time during pregnancy (i.e., any pregnant woman with a diagnosis of narcolepsy) * For participants without a diagnosis of narcolepsy: exposure to at least one dose of pitolisant or one dose of a comparator product at any time during pregnancy Exclusion Criterion: • Occurrence of pregnancy outcome prior to first contact with the Registry Coordination Center (RCC) (i.e., retrospectively enrolled)