White Noise -- "Natural White Noise"
Even as white noise machines were very popular in the 1990's, the new
trend is the use of nature sounds, or "natural white noise." Perhaps the trend can be attributed to the notion that waterfalls, rain fall, and ocean waves sound much more pleasing to the ear than manufactured static. Recent
research has shown that nature sounds may work as good or better than those older sound conditioner machines and are a much more affordable way to help you get to sleep