目覚ましがなりました。

alarm clock; opening one's eyes; keeping one's eyes open; type of candy given to a child after it wakes up from a nap

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to become; to get; to grow; to be; to reach; to attain; to result in; to prove to be; to consist of; to be composed of; to succeed; to be complete; to change into; to be exchanged for; to play a role; to be promoted; to do ...