There are many causes of insomnia, which can be described in the following aspects: 1, organic lesions: such as cancer pain caused by cancer; bronchitis or bronchial asthma; sleep apnea syndrome, which is prone to obese male patients, can cause sleep problems; 2, personality factors: some people are particularly perfectionist, responsible and overthinking, which may cause insomnia; 3, congenital factors: such as physical Weakness, deficiency of qi and blood; 4, life factors: such as prolonged lying, sedentary, lack of exercise, overwork, as well as work, life, marriage, school and other aspects of stress, etc., can lead to insomnia. In short, there are many causes of insomnia, so when you encounter insomnia, you do not need to seek medical advice if you can solve it in the short term, but if you have insomnia for a long time, you need to go to the hospital for formal consultation.