Q: Read the following article and answer the question. Article: With all the responsibilities we face in our daily lives, it's often hard to get a good night's rest. The problem really lies in the stress that many of us experience. Stress robs you of the rest that you need by putting you in a state of pressure and worry. There are, of course, some methods that can help you relax, but only a few of them give you a good night's sleep. One of them is soothing music for sleep. Sleep music is not just for encouraging relaxation, it also can be used for various situations. Want to have a relaxing evening by yourself? Practice yoga in a comfortable environment? Think over something important? Then put on your favorite sleep music. Sleep music is not only fit for adults, but has also been known to be good for children. Soothing music helps your children go to sleep more easily. Massage therapists can also benefit from using soothing music for sleep in their clinics . This allows clients to benefit more from the session. For example, massage therapists can provide the relaxation of the body through their techniques, and the music helps clients relax their minds, helping them to relax deeper and feel more refreshed after the session. You'll never run out as there are some artists and companies that make sleep music. Choosing the right music is important as well. Like most music that you can find and buy in stores, sleep music has different styles, sounds, and subjects. There are those that are specifically for relaxation, while some are intended to help you go to sleep. The great thing about sleep music is that it will be something you'll be using for months, even years to come. If you want a deeper relaxation and better sleep, give some soothing music for sleep a try. Question: According to the text, people often don't sleep well because _ . Answer:
The answer is:
they have too much stress