Earplugs are small devices designed to fit into the ear canal, helping to block out noise. They are commonly made from materials like foam, silicone, or wax, and are used in various situations, such as sleeping, studying, or attending concerts. By reducing sound levels, earplugs can improve focus and provide a more peaceful environment. Many people use earplugs for sleeping to avoid disturbances from traffic, loud neighbors, or snoring. They are also popular among musicians and concert-goers to protect hearing while still enjoying music. Overall, earplugs are a simple and effective tool for managing noise in daily life.