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Related Reading How Sleep Works. There's no better time to start the journey to improving your sleep. So what is it about food that can make us so sleepy? As the food enters the small intestine, the cells in the gut secrete even more hormones enterogastrone that signal other bodily functions, including blood flow regulation. But what does this have to do with sleepiness? This leaves less blood for the rest of the body and can cause some people to feel a bit 'light-headed' or tired. What you eat is just as important as the size of your meal.
For many years now, researchers have been investigating the link between food and sleepiness, but from another perspective. But this is not the case when nutrients are balanced or the meal is rich in protein. Researchers have different theories about the cause of tiredness after eating, but they generally agree that it is a natural response and not usually a cause for concern.
Feeling tired, or having difficulty concentrating, after a meal is relatively common. A person may feel particularly tired, depending on what, when, and how much they ate. Below, we discuss some reasons why a person might feel tired after a meal, and how to prevent it. Foods rich in protein and carbohydrates can make people feel sleepier than other foods.
Some researchers believe that a person feels tired after eating because their body is producing more serotonin. An amino acid called tryptophan, which occurs in many protein-rich foods, helps the body produce serotonin. Carbohydrates help the body absorb tryptophan. For these reasons, eating a meal rich in both protein and carbohydrates may make a person feel sleepy.
People often eat a combination of protein and carbohydrates before bed, such as cereal with milk. People who eat larger lunches may experience more of an afternoon slump than those who eat less at midday. Eating causes blood sugar to rise, and a dip in energy may follow. By Markham Heid.
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