"Spring sleeps until dawn, and you can hear birds chirping everywhere" means that you sleep until dawn at night in spring, and when you wake up, you hear birds chirping outside the window.
Source
Original text
"Spring Dawn" (1) (Tang Dynasty) Meng Haoran
Spring Sleep (2) Dawn,
I hear birds singing everywhere (3).
When night comes (4) the sound of wind and rain,
how many flowers fall, is unknown.
Translation
I slept sweetly until dawn in the spring night.
When I woke up, I only heard the chirping of birds outside the window.
Recalling that it seemed to have rained and blown windy last night,
The stone steps in the courtyard must have been covered with colorful fallen flowers.
Notes
(1) Chunxiao: spring morning. Xiao refers to when it is just dawn.
(2) Unaware: Unaware, not aware.
(3) Smell the singing bird: hear the chirping of the bird; smell, hear; cry, tweet.
(4) Ye Lai: at night.
Creative background
This poem was written by Meng Haoran when he was living in seclusion in Lumen Mountain. The artistic conception is very beautiful. The poet seizes the moment when he just wakes up in the spring morning to describe and associate, vividly expressing the poet's pity for spring.
Related expansion
1. Meng Haoran (689~740), a native of the Tang Dynasty. His real name is unknown (one theory is that his name is Hao), and he was born in Xiangyang, Xiangzhou (now Xiangyang, Hubei). The courtesy name is Haoran, known as "Meng Xiangyang" in the world. Together with another landscape and pastoral poet Wang Wei, he is collectively known as "Wang Meng". He is a famous landscape and pastoral poet in the Tang Dynasty. He once lived in seclusion in Lumen Mountain. There are three volumes of "Meng Haoran Collection" handed down to the world.
2. "Spring Dawn" is often used as a riddle poem. The answer is benzoin/guess things like dreams and wake up/guess idioms