Definitions
There is 1 meaning of the phrase
Wake-Up Signal.
Wake-Up Signal - as a noun
Example Sentences
"The alarm clock is designed to serve as a wake-up signal."
"I set my phone to vibrate as a wake-up signal."
"The sound of the birds chirping outside acted as a natural wake-up signal."
"She programmed her coffee maker to start brewing as a wake-up signal."
"The loud doorbell served as a wake-up signal for everyone in the house."
