If you don't have a good night's sleep the night before the exam, it won't have much effect on the next day's exam.

There is no need to worry too much about a short period of insomnia. A day or two of insomnia will not affect your energy, and this time you can relieve it through some physical means. The most common way to relieve fatigue is massage.

Also, if the insomnia is caused by tension, you can relax your mind in many ways. You can take a walk after a meal or talk with your parents, and make sure the talk doesn't involve exams.

Expanded:

1, in the preparation for the examination or also before the college entrance examination, must prepare a quiet environment for themselves, do not carry out recreational activities before going to bed, so as not to be too excited to cause can not fall asleep. Secondly, before the college entrance examination, you should also develop a good habit of rest and relaxation, according to their own actual situation, set the length of the lunch break and the time to sleep at night.

2, most of the insomnia before the examination is because of the high mental tension, so relaxation, keep the mind of the smooth vital. Candidates can soak their feet before going to bed, drink warm milk, listen to some soft music, not recommended to lie in bed and keep counting sheep, because some people will be more and more awake, more and more nervous.