> The best results came when they used waves of so-called Gaussian noise, which includes a wide range of frequencies and amplitudes. Yesterday I was listening

> The best results came when they used waves of so-called Gaussian noise, which includes a wide range of frequencies and amplitudes. Yesterday I was listening again to some videos of rain, to help me relax. I know very little about what happens when we sleep or why we dream. But if it is sort of like exposing our brains to soft noise, then that helps me understand why rain relaxes me.