Evidence-based
White Noise
Written by:
•Last Updated: August 28, 2025
White noise consists of a variety of sound frequencies to create one constant sound. It's commonly used to help with focus, sleep, and relaxation.
White noise consists of a variety of sound frequencies to create one constant sound. It's commonly used to help with focus, sleep, and relaxation.
White Noise is most often used for Sleep.
In this meta-analysis of 12 randomized controlled trials in 1,301 participants, white noise improved sleep quality in adults, but the results in preterm infants were less consistent.