This type of noise is made up of a consistent sound at every frequency the human ear can hear. (whitenoisemagic.com)
A sound meter in the upper left of the screen lets you know how much noise you're making, although actually judging distances can be damn hard. (wolfsgamingblog.com)
Knowing what noises he was making wasn't making him sleep longer, but it was keeping me awake even when he was asleep. (askmoxie.org)