wake up (someone)
— phrasal verb with wake us/weɪk/verb [ I/T ] past tense woke /woʊk/waked /weɪkt/, past participle woken /ˈwoʊ·kən/waked
(STOP SLEEPING)
to cause someone to stop sleeping:
I get up, shower, go to school, go home, sleep, wake up, and do it all over again.
If you cry you'll wake your brother up.