A nurse is reinforcing teaching with a client who is dependent on nicotine and wishes to discontinue smoking. The nurse should inform the client that which of the following is a manifestation of nicotine withdrawal?

A. Correct. Insomnia, or difficulty falling asleep or staying asleep, is a common manifestation of nicotine withdrawal. B. Diarrhea is not a typical manifestation of nicotine withdrawal. C. Weight gain, not weight loss, is more commonly associated with nicotine withdrawal. D. Diaphoresis (excessive sweating. can be associated with nicotine withdrawal, but insomnia is a more direct withdrawal symptom.