A "Sound Machine" is a device designed to produce various sounds, often used to create a calming environment. These machines typically generate white noise, nature sounds, or soothing melodies to help individuals relax, focus, or sleep better. They are popular among people who struggle with insomnia or distractions in their surroundings. Many sound machines come with adjustable volume settings and multiple sound options, allowing users to customize their experience. Some models even include features like timers or Bluetooth connectivity, enabling users to play their favorite sounds or music from other devices. Sound machines are commonly used in homes, offices, and even during travel.