Scientifically proven: Developed with a leading sleep laboratory to simulate ideal sleep conditions, rather than stimulating baby Ambient red light: Promotes deep sleep by encouraging the onset of the sleep hormone melatonin Pulsing glow: A rhythmic pulsing light calms baby by mimicking their relaxed breathing rate Pink noise: Prolongs restful sleep by replicating the natural sounds of the womb SCrySensor: Integrated technology hears their cries and automatically turns on your choice of light and sound to soothe them back to sleep