Although St. Luke's has yet to implement the Sonicu Solution, they are actively promoting their sound and lighting controlled NICU. I've not spoken with them yet but plan to do so shortly. Here is some text from their's website discussing their Baby Monitoring Device for infants staying in the NICU during their Neontal period. Clearly, they believe sound monitoring and lighting control are important to the health of the smallest amound us.
...."After decreasing noise and reducing inappropriate light, babies spend less time on intravenous nutrition. Babies not only grow faster, but their compromised immune systems are less susceptible to infections. "
