AdvertisementA lullaby really can work magic. Science tells us why and howPlay03:46Download AudioJune 02, 2023Selena Simmons-DuffinfacebookEmailThe reporter's kids, Sasha and Noa, both love falling asleep to lullabies. This is a sleeping self-portrait by Sasha, age 4. With great attention to detail, she has drawn the unicorns on her comforter. (Sasha Ladly)