This track contains pure smoothed brown noise without any additional brainwave entrainment tones/beats. Brown noise is a useful sound masking tool, that can block out external sounds and distractions and be used in many different ways. Compared to white and pink noise, brown noise uses mostly lower frequencies and is considered the most soothing to listen to of the three. Use it to: Help you relax or fall asleep Block out distracting noise while you're studying Can help to calm and settle nervous and distressed dogs Provide relief for tinnitus Recommend Headphones For Sleep