睡 + 在 + Location / 睡 + Time Expression
睡 (shuì) is the basic verb meaning "to sleep." It can be combined with location phrases using 在 to indicate where someone sleeps, or with time expressions to indicate when someone sleeps.
昨晚我睡了不到五个小时,今天特别困。
Zuówǎn wǒ shuì le bù dào wǔ gè xiǎoshí, jīntiān tèbié kùn.
I slept less than five hours last night, so I'm especially sleepy today.
宝宝每天都睡在妈妈旁边。
Bǎobao měitiān dōu shuì zài māma pángbiān.
The baby sleeps next to mom every day.
你平时几点睡?我一般十一点就睡了。
Nǐ píngshí jǐ diǎn shuì? Wǒ yībān shíyī diǎn jiù shuì le.
What time do you usually go to sleep? I usually go to sleep at eleven.