
Waken
Physical Awakening
'Waken' often refers to the transition from sleep to being alert.
I wakened to the smell of coffee.
External Cause
Use 'waken' when something outside prompts you to awake, like noise.
She was wakened by the sunrise.
Unexpectedness
'Waken' can imply awakening unexpectedly or abruptly.
A sudden thunderclap wakened him from his nap.