Exclusion criteria:
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1. Subjects with insomnia: Sleep disturbance caused by external environment interference; Sleep disorders caused by drugs or life factors such as alcohol, coffee or strong tea; Sleep disturbances caused by severe primary diseases (cardiovascular, pulmonary, liver, etc.), severe deeline (malignant tumors, etc.), and systemic diseases (pain, fever, surgery, etc.);Pregnancy or lactation; Persons diagnosed with mental illness or bipolar disorder; Psychiatric conditions requiring treatment, including GAD-7 score> 10 points, PHQ-9 score> 10 points; Severe depression recurs>2 times; Risk of suicide and self-injury; Diagnosis of other sleep disorders, including obstructive sleep apnea or circadian sleep disorders; Used hypnotic or sedative drugs to treat insomnia in the last 4 weeks; Alcohol and drug dependence in the previous 1 year; Night shift or irregular sleep pattern; Received acupuncture or Traditional Chinese medicine treatment in recent 2 months; Existing progressive diseases (such as dementia, Parkinson's disease, tumor, etc.) directly related to the onset and course of insomnia; Contraindications for MRI(pacemaker, cochlear implant, claustrophobia, etc.); History of neurological diseases (brain tumors, epilepsy, cerebrovascular accidents, etc.); History of severe head trauma (loss of consciousness >10 min);With acupoint infect or afraid of acupuncture.
2. Normal subject: Pregnancy or lactation; Previously diagnosed as depression, anxiety disorder, bipolar disorder or other mental disorders, or GAD-7 score > 5 points, or PHQ-9 score > 5 points in this study; Risk of suicide and self-injury; Used hypnotic or sedative drugs to treat insomnia in the last 4 weeks; Alcohol and drug dependence in the previous 1 year; Night shift or irregular sleep pattern; Received acupuncture or Traditional Chinese medicine treatment in recent 2 months; With severe primary diseases (cardiovascular, lung, liver, etc.), severe wasting diseases (malignant tumors, etc.), and systemic diseases (pain, fever, surgery, etc.); Contraindications for MR (pacemaker, cochlear implant, claustrophobia, etc.); History of neurological diseases (brain tumors, epilepsy, cerebrovascular accidents, etc.); History of severe head trauma (loss of consciousness >10 min.
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