Goodnight, sweetheart, goodnightthe mcguire sisterschorus: goodnight, sweetheart, well, it's time to go,goodnight, sweetheart, well, it's time to go,i hate to leave you, but i really must say,goodnight, sweetheart, goodnight.repeatwell, it's three o'clock in the morning,,baby, i just can't treat you right,well, i hate to leave you, baby,don't mean maybe, because i love you so.chorusnow, my mother and my father,might hear if i stay here too long,one kiss and we'll part,and you'd be going,although i hate to see you go.