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.
Eating and Nausea. The number of potential reasons for nausea after eating can make it difficult to determine the cause. Nothing can spoil a good meal like a bout of nausea after eating it. The nausea can be caused by many things, from illness to your bodyâs natural reaction to changing hormones. Although many times the nausea will pass, you should visit your doctor if you consistently suffer from nausea after eating, or if it is accompanied by severe pain, fever or other symptoms.