The song "How many sleepless nights" is the song of "The First Love on Earth". The first love on earth was written by Yi Ming, composed by Qing Liu and sung by Zhang Ye. It is a song sung by Zhang Ye in 1997, which is included in the album "Entering a New Era". The song is beautiful and memorable, and has touched countless people. This song expresses the love for life, which is full of sounds and feelings, and it is very memorable. This song expresses the communication problem between young people and their parents. The so-called "first love in the world" is similar to the meaning of poor inherit the wind. Its intention is to hope that the younger generation, while just entering the society with full wings, can also realize the pains of parents who are eager to love their children and establish a more tolerant and harmonious parent-child relationship. The First Love on Earth was created by Qing Liu when he was still studying in the Conservatory of Music, and it is a lyric theme of the second movement of the instrumental music Missing. Before writing this work, Qing Liu talked with Yi Ming all night. Qing Liu said that he was a soldier when he was very young and left his hometown at the age of 12. The bitter days have passed, but my parents are old, and there are more and more good days, but my parents are gone. Time is running out, and my son wants to be filial and my relatives are not there. So filial piety can't wait. In the song, he pinned his thoughts on his relatives, his hometown and his childhood classmates. After Yi Ming wrote lyrics, the song "The First Love on Earth" was born. As one of the singers, Yan Weiwen said that the reason why Qing Liu's works can impress so many people is that he creates with his true feelings, which is the highest realm of a literary and art worker.