I can't sleep in the dead of night. What are the poetic metaphors?

Sitting awake at night, the south window is cold. Shushu

I can't sleep at night and think hard, and sing it as a postal ride. -Lin Biao people

Listening to the sad voice, I can't sleep at night, where to go to the water town. -Yang is blameless.

After a sleepless dawn, people are thinner, a little thinner than plum blossoms. -Cheng Gai

I can't sleep at night. If I know, I won't turn my worries into happiness. -Xin Qiji

Sleepless all night, lonely ears, sad ears listening to the rustling of rain. -Chao Bu Zhi