Nervous hyperactivity insomnia, if consumed before bedtime with a large amount of excitement drinks, such as coffee strong tea or smoking, resulting in mental hyperactivity, may cause insomnia due to long lasting excitement before sleep. Or because there is more serious mental stress in the work routine, it is very difficult to clear the things of daily life before sleep, so it can lead to excitement before sleep. If the medication consumed before sleep is related to the excitement of the nerves, you should consult a doctor to determine whether to continue using the medication. The human biological clock is somewhat regular, and if there is not a good arrangement of rest and relaxation normally, it can lead to irregular rest and relaxation. If there is too much rest during the day, it can also lead to difficulty sleeping at night. If the sleep environment is poor, such as too much noise, too much light interference, and the presence of micro-light for a long time can also lead to mental arousal and difficulty in sleeping. You can try scientific methods to fall asleep and learn to exercise before bedtime activities, for example, you can do appropriate exercises before bedtime to increase physical fatigue, which in turn promotes sleep. Try to arrange a comfortable sleep environment, before sleep can be appropriate supplemental food to help the role of sleep, such as bananas, milk, etc.