目覚める (mezameru) means “wake up” | MotiTan Japanese Dictionary

More examples

窓から入る朝の光で目覚めました。mado ka ra hai ru asa no hikari de me za me ma shi ta

I woke up to the morning light coming through the window.

Describes the return of awareness as sleep gives way to a conscious state.

起きるokiru: To wake from sleep, with the action of getting out of bed often included.
覚めるsameru: To become conscious again after being asleep.

眠っていた状態から意識が戻り、起きる。nemu tte i ta jō tai ka ra i shiki ga modo ri o ki ru

目覚める (mezameru) is a native compound of 目 (me, "eye") and 覚める (sameru, "to awaken"), linking waking with the eyes becoming awake.

In everyday Japanese, 目覚める (mezameru) focuses on returning to awareness, while 起きる (okiru) more often focuses on getting out of bed.