The nurse is discussing sleep habits with the patient in the sleep assessment clinic.Of the following activities performed before sleeping,the nurse informs the patient that which one of the following can potentially interfere with the patient's sleep?

A) Listening to classical music.
B) Finishing office work.
C) Reading novels.
D) Drinking warm milk.

Noise should be kept to a minimum.Soft music may be used to mask noise if necessary.At home,a patient should not try to finish office work or resolve family problems before bedtime.Reading a light novel,watching an enjoyable TV program,or listening to music can help a person to relax.Relaxation exercises can be useful at bedtime.A dairy product snack,such as warm milk,contains L-tryptophan and may be helpful in promoting sleep.