Abstract: Objective To study the clinical effect of gastric sedative therapy on insomnia. Methods Total sleep time, deep sleep time, and total waking time of insomnia patients were detected using the micromovement sensitive mattress sleep monitoring system （MSMSMS）. Results The total sleep time and deep sleep time of insomnia patients were prolonged and their total waking time was decreased after gastric sedative therapy and its effect was better in treatment group than in control group（P＜0.05）. Conclusion Gastric sedative therapy is safe and effective for insomnia.