Why Eating Makes You Feel Sleepy: Uncovering the Science Behind Food Related Fatigue Eating a meal can often be followed by feelings of lethargy and sleepiness.
While it's common to associate this phenomenon with the food itself, research suggests that other factors may be at play.
The Role of Insulin in Energy Crashes Insulin regulation plays a critical role in how our bodies respond to food intake. When we eat, our pancreas releases insulin to regulate blood sugar levels.