Ocean wave recordings have long been a staple of relaxation and ambient sound collections, used in sleep aids, meditation apps, and nature documentaries long before short clips became easy to share online. As creators began adding natural ambience to videos, podcasts, and streams, a short, loopable wave sound became a practical tool for setting a seaside mood without music or narration. It remains popular because the sound is instantly recognisable, culturally neutral, and easy to reuse across travel content, wellness videos, and calming background mixes.