Insomnia after taking Omeprazole is usually due to an adverse reaction to the drug. Omeprazole may cause sensory abnormalities, insomnia, dizziness, malaise and other adverse reactions in the central and peripheral nervous system. Insomnia after taking Omeprazole is usually caused by an adverse reaction to taking Omeprazole. Insomnia after taking omeprazole is not particularly serious, usually after stopping the drug will gradually ease, do not need to worry too much. However, the symptoms are more serious, you need to go to the hospital in time to do the relevant examination, and under the guidance of the doctor to replace the rabeprazole sodium enteric capsule, ace omeprazole enteric capsule and other drugs for treatment, to avoid insomnia and other adverse reactions. The choice and use of omeprazole must be under the guidance of professional doctors. At the same time, during the use of medication need to pay attention to dietary adjustments, pay attention to the diet of light, do not eat some spicy stimulating food.