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.
Â· just now. Report Abuse. like turkey, oatmeal is a food that actually makes you sleepy. the reason for that is the ingredients. i forgot what it's called, but google in oatmeal ingredients and it should give you something.it might also be te kind ur having too.hope this helps!!eport Abuse. you are probably suffering from low blood sugar or hypoglycemia because you do not eat regularly. so when you do consume something that is high in carbohydrates, even a healthy one like oats this causes your insulin levels to spike which clears blood sugar. the end result is feeling tired and lethargic.