Ocean wave recordings are among the most widely shared natural sounds online, used for relaxation, sleep and focus long before short video editing made them a staple background layer. Because waves follow a slow, repeating pattern, listeners tend to find them soothing rather than distracting, which is why the sound appears in meditation playlists, study streams, travel edits and sleep compilations. The Portuguese title, ondas do mar, reflects the same simple idea in another language, and the clip remains popular because a short, clean surf recording can fit almost any calm scene.