White Noise Generator

Noise with different frequency characteristics for various uses

18%
minutes

Set to 0 or leave empty for unlimited playback

White Noise

Features

  • •Uniform across all frequencies (like "hissing")
  • •Strongest masking ability

Suitable For

  • •Noise-sensitive individuals
  • •Urban dwellers
  • •Light sleepers
  • •Newborns (commonly used in hospitals)

Research Support

  • •Journal of Caring Sciences
  • •Sleep Medicine Reviews

⚠ Drawbacks

  • •Some find it harsh
  • •Not recommended for long-term high volume

Pink Noise [More Adult-Friendly]

Features

  • •Stronger low frequencies, weaker high frequencies
  • •More similar to natural sounds

Scientific Findings (Key Points)

  • •Can increase slow-wave sleep (deep sleep)
  • •Enhances memory consolidation

Classic Research

  • •Nature Neuroscience, 2013: Pink noise can synchronize brain slow-wave activity

This is currently one of the 'scientifically best-reviewed' sleep sounds

Brown Noise

Features

  • •Lower frequencies
  • •Similar to distant thunder, deep waterfall

Suitable For

  • •Anxious individuals
  • •ADHD
  • •People sensitive to white noise

Natural Sounds (Most Acceptable)

  • •Rain, ocean waves, wind, forest sounds, stream sounds

Advantages

  • •Low information density
  • •Good emotional soothing effect
  • •Highest acceptance rate

Psychological Research Shows

Natural sounds can reduce cortisol levels (stress hormone)