Why Does Eating Make You Tired? Causes, Timing, and Fixes
Feeling tired after eating is usually postprandial somnolence, a temporary decline in alertness caused by meal size, digestion-related signals, blood-glucose regulation, and the natural afternoon circadian dip. A large or rapidly absorbed meal can intensify sleepiness, but severe, prolonged, or symptom-filled fatigue may indicate a medication effect, sleep disorder, anemia, diabetes, or another medical condition. […]