Duly is defined as at the right time or as expected. An example of duly is a person showing up when they were supposed to arrive. in a due manner; specif., 1  as due; rightfully.  when due; at the right time.
If you eat a high-fat meal, you will feel tired after eating because fat is harder for the body to digest than carbohydrates and protein. When you eat a lot of fat, your digestive system becomes sluggish, and your body sends more blood to your digestive organs so that the job of digesting your food can be done.ood Allergies. A classic symptom of food allergies is feeling tired after eating a food you are allergic too. Common food allergies include gluten (the protein in wheat), dairy products and tree nuts, but sensitivity to any food can cause fatigue.
Indigestion. A range of indigestion problems can cause you to feel sick after eating and this can be caused by the stomach acids that are supposed to break up your food being brought up in your throat. If you feel as though you have heart burn coupled with nausea, then indigestion is a likely culprit.ppendicitis. Another good reason to see a doctor if you feel nauseous after eating is that it could be appendicitis. If you notice the pain is coming from the lower right of the stomach then you should see a doctor immediately appendicitis can cause your appendix to rupture within 24 hours if you don't get seen to.