Inclusion Criteria:  Signed informed consent, male or female ≥18 and ≤75 years old; (ICSD-3) proposed the diagnostic criteria for chronic insomnia;  2. Did not take hypnotic drugs before the visit; 3. Those who took hypnotic drugs before the visit; 4. Can understand and comply with the study protocol;  Exclusion Criteria:  Severe organic disease; Any suicidal behavior in the past 10 years; Those who cannot communicate normally cannot cooperate to complete the scale test; Women who are breastfeeding or pregnant; Medical history that the investigator believes could affect the safety of the subject or interfere with the study evaluation; Currently diagnosed with sleep apnea, narcolepsy and other sleep disorders; Sleep disorders caused by central nervous system diseases, or neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, lewy bodies dementia.