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To evaluate the prevalence of insomnia in patients with laryngopharyngeal reflux (LPR) and to analyze the relationship between the severity of insomnia and LPR-related symptoms. We analyzed 69 patients with LPR and 61 healthy controls. The LPR was confirmed via the 24-h hypopharyngeal-esophageal multichannel intraluminal impedance pH monitoring. Reflux symptoms and sleep disturbances were assessed using the Reflux Symptom Index and Insomnia Severity Index. We compared the prevalence of insomnia between the two groups. We analyzed the re