Drowsiness after dinner may be a normal physiological phenomenon, or it may be caused by low blood pressure, anemia, etc.
1. Normal physiological phenomenon: after eating dinner, the gastrointestinal tract will digest the food, which requires a large amount of blood to participate in, which will cause a relative lack of blood supply to the brain. As a result, uncomfortable symptoms, such as sleepiness, drowsiness and so on.
2. Low blood pressure: low blood pressure generally causes insufficient arterial oxygen saturation, there will be oxygen partial pressure is too low, carbon dioxide partial pressure is too high, resulting in a decrease in oxygenation capacity, there will be sleepiness.
3. Anemia: when the body of patients with anemia, due to the reduction of red blood cells, resulting in insufficient oxygen-carrying capacity, hypoxia, prone to sleepiness after dinner, accompanied by dizziness, panic, listlessness and other symptoms.
When the patient is sleepy after dinner, he should go to the regular hospital in time, after clarifying the cause of the disease for treatment.