A time-proven and natural way to experience a good night's rest Sleeping better at night allows you to be more energetic and productive during your waking hours, and enhances your well-being and overall quality of life. This non-verbal composition can help you enjoy deep and restful sleep the natural way. Hemi-Sync® frequencies embedded in pink noise for optimum delivery produce the slower Delta brainwave patterns associated with deep sleep. Play once to fall asleep, or repeat throughout the night to help you stay asleep. Length: 45 minutes.