Subject + 睡觉
睡觉 (shuìjiào) is a Chinese verb meaning "to sleep." It is the standard everyday word for sleeping and is a separable verb, meaning other elements like duration or frequency can be inserted between 睡 and 觉.
昨晚我十一点才睡觉,今天好困。
zuówǎn wǒ shíyī diǎn cái shuìjiào, jīntiān hǎo kùn.
Last night I didn't go to sleep until eleven, so I'm really sleepy today.
宝宝每天要睡觉十个小时左右。
bǎobao měitiān yào shuìjiào shí ge xiǎoshí zuǒyòu.
Babies need to sleep about ten hours a day.
你先去睡觉吧,不用等我了。
nǐ xiān qù shuìjiào ba, bùyòng děng wǒ le.
Go ahead and go to sleep first; you don't need to wait for me.