Sleepy and can not sleep is called insomnia, insomnia is a sleep disorder, the causes are more, as follows: 1, drinking too much milk tea, coffee, etc. during the day, resulting in difficulty falling asleep at night; 2, less exercise during the day, more time to sleep, resulting in difficulty falling asleep at night; 3, not enough exercise during the day, resulting in difficulty falling asleep; 4, the existence of psychological stress, such as work, study pressure, resulting in difficulty falling asleep at night. . If it is difficult to fall asleep for a short period of time, it can be gradually corrected through lifestyle adjustments. Long-term sleep disorders should be taken seriously, may be related to mental disorders, such as depression, anxiety, excessive psychological pressure will lead to long-term insomnia, affecting the patient’s physical and mental health, triggering chronic diseases. For insomnia disorder must pay attention to, if through the lifestyle can not be adjusted, should be consulted in psychiatry or psychiatry, relevant psychological scores, if necessary, the use of drugs to assist in the treatment. Do not panic too much about insomnia, through lifestyle intervention and medication, usually can be improved.