A lullaby is a gentle melody that has been pacifying infants for epochs. These songs are often easy in arrangement, with repetitive melodies and lyrics that describe dreams.
A good lullaby can help a child fall asleep https://youtube.com/playlist?list=PL9MA18nixW__bOMUT9dxRavfZM82qEeYy&si=TUbK6WSPIpr-1n66