why am i so tired after i eat?

Is feeling sleepy after eating a sign of diabetes?
Diabetes. If someone with prediabetes or Type 1 or Type 2 diabetes feels tired after eating, it could be a symptom of hyperglycemia or hypoglycemia. Hyperglycemia (high blood sugar) may occur when too many sugars are consumed.
Full answer in: www.healthline.com
Why do I feel tired after sleeping 8 hours?
One of the simplest explanations is that it could be due to your body requiring more rest than the average person. However, it is also likely that your tiredness is due to the lack of quality sleep at night, rather than the quantity of it.
Full answer in: www.activehealth.sg
Why do I get extremely tired after I eat?
Blood flow to the small intestine “dramatically increases” after a person eats, says Dr. Tomonori Kishino, a professor of health science at Japan's Kyorin University. And as blood is pumped into the gut to fuel digestion, a corresponding drop in blood flow to the brain could trigger feelings of sleepiness, he says. Jan 30, 2019
Full answer in: time.com
Why should you not sleep after eating?
Weight Gain
Your body gains weight when you take in more calories than you are burning off. This is the case no matter when you eat. Going to sleep directly after you eat means your body doesn't get a chance to burn off those calories. And, eating a big meal and then hitting the couch can be just as harmful. Nov 25, 2015
Full answer in: share.upmc.com