lay one 's head on one 's pillow and just drop off to sleep
Sleep in peace, a Chinese idiom, Pinyin is g ā ozhen ě n ā NQ ǐ n, which means to put up the pillow and sleep in peace; it describes carefree and safe; it is the same as "sleep in peace". It comes from the book of the Han Dynasty.
The origin of Idioms
In the book of the Han Dynasty, biography of the Xiongnu: "therefore, the northern Di did not accept, and China did not sleep peacefully."
Analysis of Idioms
Lie on one's back
Idiom usage
It means carefree.
Examples
It's just the same shape of being seen by the Chinese and sleeping in peace with their wives. Tao Qian's "SouShen Houji" (Volume 3)
lay one 's head on one 's pillow and just drop off to sleep
make friends with congenial persons - hū péng huàn yǒu
in one 's humble position , one 's word does not carry much weight - rén wēi wàng qīng
To seek survival and harm benevolence - qiú shēng hài rén
put the interest of others above one 's own - xiān rén hòu jǐ