The symptom of being sleepy but unable to sleep can be called difficulty in falling asleep, and the performance of not being able to fall asleep for more than 30 minutes clinically belongs to insomnia. If this phenomenon occurs, consider whether it is caused by the following reasons: 1, family genetic factors: the incidence of insomnia in people with a family history of insomnia is three times higher than those without a family history, and at the same time in adult women, the incidence gradually increases with age; 2, stress and life events: there is a change in the sleep environment or life, work, study pressure leading to emotional depression, impatience, anxiety, etc. 3, lifestyle problems: pillow discomfort, incorrect sleeping position, drinking coffee, tea and other stimulating drinks during the day, too full or too hungry before bedtime, too long bedtime or for some reasons lead to irregular work and rest in recent days, etc.; 4, self-trait personality: perfectionists, introverted personality or people with anxiety characteristics, etc.; 5, somatic factors: certain physical and mental diseases, such as depression, somatoform disorders 5, somatic factors: certain physical and mental diseases, such as depression, somatoform disorder, restless legs syndrome, etc., certain long-term use of hormones, stimulant-containing drugs. In summary, insomnia is the final outcome of a variety of complex factors, and long-term insomnia will affect human health and should be adjusted early.