Effect of Suanzaoren Decoction and Huanglian Wendan Decoction on Biorhythm of Insomnia Patients

This was a single-centre, non-randomised, interventional study with a planned enrolment of 20 subjects, including 10 Chinese insomnia patients and 10 healthy subjects. All subjects giving written informed consent. Healthy subjects were admitted to the study ward at baseline (D-3), completed the Pittsburgh Sleep Quality Index (PSQI), Morning and Evening Questionnaire (MEQ), and began saliva collection at 16:00, stayed overnight in the study ward that night and were discharged the following day (D-2). Insomnia patients were admitted to the study ward at baseline (D-3), completed the PSQI and MEQ questionnaires and started saliva collection at 16:00, stayed overnight in the study ward and left the following day (D-2) after completing the relevant examinations. After 4 weeks of treatment with Suanzaoren Decoction and Huanglian Wendan Decoction, the subject was re-admitted to the study ward on D30, completed the PSQI and MEQ questionnaires and started saliva collection at 16:00, stayed overnight in the study ward and left on the following day (D31) after completing the relevant examinations. The intervention for patients with insomnia in this study was the administration of Suanzaoren Decoction and Huanglian Wendan Decoction twice a day for 4 weeks. Add or subtract Chinese herbal medicine according to the different clinical manifestations of each patient.