Wake up at noon heartbeat quickly consider is arrhythmia, the cause of physiological conditions, pathologic conditions. 1. Physiological: If you have been under a lot of stress lately, often stay up late, irregular work and rest, there will be a nerve dysfunction and panic. Coffee, strong tea drinking can also be excessive. Usually after rest, it will be better. You should ensure a good routine and avoid overwork. 2. Pathological conditions: heart disease, endocrine disease will have a rapid heartbeat. You should go to a cardiologist for examination, such as electrocardiogram, 24-hour dynamic electrocardiogram, cardiac ultrasound, hormone examination, etc. If there is no relief for a long time, you should consult a doctor in time. If there is no relief for a long time, you should consult a doctor in time, and medicines should be used under the guidance of a physician.