> Postprandial somnolence, commonly known as “food coma”, is a normal state of drowsiness or lethargy following a meal. It occurs when you consume foods with a high glycaemic index (GI) - https://www.healthhub.sg/live-healthy/your-medical-questions...
"Food coma" is from carbs/sugar. :)
Edit: to satisfy my friendly HN editors. :)