A nurse is caring for a client who needs to be awakened for the administration of an oral medication. Which of the following findings should indicate to the nurse that the client was in stage 3 of the sleep cycle when awakened?

The client was easily awakened.

The client states that they were having a pleasant dream.

The client experiences mental cloudiness for 30 to 60 min.

Prior to being awakened, the client's breathing was irregular and their heart rate was elevated.