目覚める
めざめる · mezameru · JLPT N1 · verb-ichidan
to wake up
⏰ 目 (eye) + 覚める (to come to, to wake) = the eyes come back to awareness
覚める is the intransitive verb for waking from sleep or becoming conscious again. Put with 目, the word says the eyes wake up, like an alarm clock going off.