Nudge and Waking up

Nudge verb - To pass lightly across or touch gently especially in passing.

Waking up and nudge are semantically related In some cases you can replace term "Waking up" with "Nudge", this verbs are similar.

Waking up noun - The act of waking.

Nudge and waking up are semantically related in wake topic. Sometimes you can use "Nudge" instead a verb "Waking up", if it concerns topics such as stop sleeping.