What's it called when you're tired after you eat?: Understanding Postprandial Somnolence
                                
                                
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                                    4 min read                                
                            
                                According to research, the body's digestive system requires a significant amount of energy, which can lead to a noticeable dip in alertness and overall energy levels after eating. The tired feeling after a meal, often colloquially called a 'food coma,' is medically known as postprandial somnolence, and it is a real phenomenon that affects many people.