Please answer the following question: Read the article and select the best answer. Article: Here are some easy tips for getting to sleep. They can help you deal with tension, stress and anxiety, and enjoy a good night sleep. Not every one of these tips alone will get you to sleep, but a few of them at least should be useful. Get some physical exercise during the day. Even 15 minutes a day of exercise (at least half an hour before going to bed, so your body will have a chance to slow down) will give your body the activity and oxygen it needs to help you relax more and sleep better. Listen to the light music. Play some soft, smooth music that help you sleep. Of course you must have a recorder or CD player that will automatically turn off because if you get up and turn it off in the end, it'll lose its effect. Drink warm milk. A glass of warm milk 15 minutes before going to bed will keep you calm. Keep regular bedtime hours. Your body likes regular routines ,.It likes to know that it's going to get up at the same time each day, eat at the same time, and go to bed at the same time. Keep far away from caffeine, alcohol and tobacco. Before you go to sleep, you'd better not drink coffee or cola which has caffeine. Don't drink wine, beer or champagne which has alcohol and don't smoke. Don't watch TV or read before going to bed. Wait at least half an hour before going to bed after reading or watching TV. Question: Which of the following is NOT mentioned in this text? Options: A: Listening to music. B: Drinking warm milk. C: Keeping far away from caffeine. D: Using sleeping pills.
A:
D