White noise black screen 1 hour

White Noise Black Screen 1 Hours | Sleep, Baby, Study and Concentration
White Noise Black Screen 1 Hour was created to help you study, sleep and to sooth a baby. Sometimes in a noisy environment, silence can seem quite loud if your brain is used to the noise scape of a city or busy area.
This white noise black screen baby soother is also very good at calming an infant to sleep.