Having an MP3 file is superior to streaming apps if you want to avoid battery drain, data usage, or unexpected ads and notifications interrupting your rest. Important Considerations
Recent studies from Penn Medicine suggest that constant overnight exposure might actually reduce REM sleep, which is critical for emotional regulation and brain development, particularly in children. User Perspectives Pink Noise MP3 Download
While many people leave it on all night, experts at Love to Dream suggest using a timer to turn the noise off 1-2 hours after you fall asleep to prevent over-stimulation. Having an MP3 file is superior to streaming