White noise is interrelated with white light in that is is made of all of the frequencies and sound wavelengths in the sound range. To better understand white noise, it actually joins with other sounds but does not change when a human ear hears it. That is why white noise helps folks with sleeping issues since they can drown out other noises and the one thing the person will hear is a calming hum. Some say that it sounds like a gushing waterfall or a sound of a fan. This could help folks sleep deeper particularly people who are distracted by noises outside their houses like barking dogs or perhaps loud neighbors. When a person is sleeping or attempting to sleep, the barking sound of dogs isn't recognized any more. Tinnitus formula. If you need to get your ear to stop ringing, then you must eliminate as much as practicable your exposure to these loud noises which may cause tinnitus, partial hearing loss and other ear canal damage. This also help the oldsters sleep since it doesn't recognize the crying sound the baby makes. If you're an anxious parent or merely a person needing to get a good nights sleep, try purchasing sound machines to help you. Though many are still not mindful of these sound machines, you can now do something and help yourself and your folks.