The soothing sounds of pink noise, designed to obscure outside clamor and lull listeners into sleep, may not be so innocuous, a new study suggests. Researchers at the University of Pennsylvania, with ...

PHILADELPHIA -- Marketed as a ticket to deeper sleep, the soft hum of pink noise has become part of millions’ nightly routines. However, its use may come at the cost of sleep quality, a University of ...

Millions of people rely on a sleep aid to get their nightly Zs, but research shows that commonly used noise machines do more harm than good. While many people use the steady hum of pink noise to drown ...