A lullaby is a gentle melody that has been calming infants for epochs. These tunes are often basic in structure, with constant melodies and copyright that describe dreams.
A good lullaby can help a child fall asleep https://youtube.com/playlist?list=PL9MA18nixW__bOMUT9dxRavfZM82qEeYy&si=TUbK6WSPIpr-1n66