Do mouthpieces for snoring really work? Let's dive into this popular sleep solution! Snoring mouthpieces, also known as anti-snoring devices or mandibular advancement devices (MADs), can be effective for many people. They work by slightly repositioning the lower jaw and tongue, which helps keep the airway open during sleep. The effectiveness varies from person to person, but studies have shown promising results: Some users experience significant reduction in snoring They can improve sleep qualit