 In addition to slowing heart and respiration rates, lullabies have been associated with increased oxygen saturation levels and the possible prevention of potentially life-threatening episodes of apnea and bradycardia.Gentle music can also provide stimulation for premature infants to behave in ways that boost their development and keep them alive.Lullabies can serve as a low-risk source of stimulation and reinforcement for increasing nipple sucking (feeding) rates, providing infants with the nutrition they require for growth and development.