When you are full, you will be sleepy, which is called drunken food in medicine  After eating food, on the one hand, people have to secrete a large amount of digestive juice, on the other hand, they have to peristalsis of the digestive tract to digest food  These two functions are considered by traditional Chinese medicine to be part of the temper  This process requires blood, oxygen, water and other help to work, resulting in a reduction in the blood supply of other organs, and temporary ischemia in the brain, resulting in drowsiness and feeling sleepy, especially after meals  If he is already short of temper, the cerebral ischemia after meal will be more serious
This condition, if not intervened, can seriously lead to low perfusion stroke or angina pectoris
People with bad temper have more intense drunken food.