阅读短文，根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。

     Did you sleep well last night? Maybe many people will answer: No.____ If you say you do not have good

sleep, it means: waking early and not getting back to sleep. You may get tired, worried and anxious. Your

memory and ability to remember things will get worse.

     Then what should you do when you have the trouble? Do not worry about it too much. Let's see if you can

help yourself._____. 

     First, make sure that your bedroom isn't too cold or too hot. Keep it dark and quiet.

     Second, check your lifestyle.

     Do not drink tea, coffee, cola or chocolate before bed. Drink less water and avoid night-time toilet visits. 

     Set your body clock well by getting up and going to bed at the same time every day. Develop a relaxing

bedtime habit. Read or listen to music, then take a warm bath. If you really can not sleep, try some bread, rice

or milk._____.

     Go for a daily walk. Natural light helps you regulate (调整) your body clock, so exercise outdoors if you can.

     Forget the worries of the day. Write down any worries, thoughts or questions before you go to bed.          .

A. The techniques are as follows:

B. They will help you fall asleep.

C. With these written down, you will have less to think about and your sleep will become easier.

D. In fact, in the world about one third of the people do not have good sleep.

E. For some people, it is hard to fall asleep.