My son loves this app! He has always needed white noise to fall asleep. This app doubles as a "night light" too, but I think the stars falling are just another way for him to be lulled to sleep. He prefers the nature sounds of the crickets. However, I personally don't like the knocking and whispering sounds I hear in that particular loop. What is that!?!? It's the only reason I don't give this 5☆.