The sleep Foundation article "What Is White Noise?" examines how white noise, which contains equal power across all audible frequencies, can mask environmental sounds to promote better sleep. Studies indicate that white noise may help individuals fall asleep faster and enhance sleep quality by reducing the impact of disruptive noises. However, the article notes that evidence is mixed, with some research suggesting potential disturbances to sleep and hearing. It emphasizes the need for further studies to confirm white noise's efficacy as a sleep aid. Improved sleep quality is crucial for brain health and cognitive performance, as it supports memory consolidation and overall mental function. Incorporating white noise into one's sleep environment could be beneficial, especially in noisy settings. However, due to the inconclusive evidence and potential risks, it's advisable to consult with a healthcare professional before making significant changes to sleep routines.