Clinical efficacy evaluation and RS-fMRI related mechanism of acupuncture at Xingan Yuyuan point in the treatment of insomnia of heart type caused by liver fire

INTERVENTION: Control group:Sham acupuncture treatment;Experimental group:Acupuncture treatment; CONDITION: insomnia PRIMARY OUTCOME: Fatigue Scale‐14;Beck Anxiety Inventory;BOLD signal of multifunctional magnetic resonance imaging;Epworth Sleepiness Scale;Insomnia Severity Index;Blinding assessment;Pittsburgh sleep quality index;Beck Depression Inventory; INCLUSION CRITERIA: 1.Aged between 18 and 65 years (no gender limitation). 2.Comply with the diagnostic criteria for chronic insomnia in ICSD‐3. 3.Comply with the diagnostic criteria for chronic insomnia in traditional Chinese Medicine and syndrome differentiation belongs to liver fire disturbing heart. 4.Patients has been taking sedative and hypnotic drugs regularly for more than 3 months or has not taken sedation before entering the study. 5.Pittsburgh Sleep Therapy Inde X(PSQI)>5 points. 6.Voluntarily participate in this study and sign the informed consent. 7.Patients has not received acupuncture treatment yet.