From: Fan Zhongyan's The Fisherman's Pride Qiu Si in Song Dynasty.
Interpretation: the sound of Qiang flute in the distance, cold weather, frost and snow everywhere. It's late at night, and it's hard for people fighting outside to fall asleep. Both generals and soldiers have white hair and tears on their skirts.
2. Poetry: So I lay in bed and meditated, and the window in the moonlight was empty.
From: Meng Haoran's Return to Zhongnanshan/Hometown/Zhong Nanshan at the end of the year.
Interpretation: I can't sleep, because I am full of sadness, and the window of the moonlight pine forest is empty.
3. Poetry: I miss you often and I can't sleep at night.
Said by: Zhen Fu, A Trip to Shang Tang in Han Dynasty.
Interpretation: I miss you often make me cry and I can't sleep at night.