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.
Nutritionist Lisa Guy reviews the latest health news and tells why eating can make you tired and why apple cider vinegar aids digestion. Feeling a little tired after eating a heavy meal is perfectly normal. However, if you feel like having a nap after most meals there could be some underlying health problem that needs addressing. When we feel overly tired after eating, it can be related to eating processed foods that contain high levels of sugar and refined carbohydrates.