A lullaby is a peaceful melody that has been calming infants for generations. These songs are often simple in form, with familiar melodies and verses that describe dreams.
A good lullaby can induce slumber quickly, https://youtube.com/playlist?list=PL9MA18nixW__bOMUT9dxRavfZM82qEeYy&si=TUbK6WSPIpr-1n66