就寝

xū yào àn shí jiù qǐn

需要按时就寝

need to go to bed on time

wǒ děi huí jiā le xiàn zài zǎo guò le wǒ de jiù qǐn shí jiān le

我得回家了，现在早过了我的就寝时间了。

I must be going home. It's way past my bedtime.

tā de jiù qǐn shí jiān

他的就寝时间

his bedtime