Resurge Reviews - What hormone is released after eating?

by sherly sylvia (14.07.2021)

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Feeling tired or sleepy after eating is something most of us have experienced. After finishing a big lunch or dinner, feelings of drowsiness and fatigue can make us want to go for a nap. Is feeling sleepy or tired after finishing a large meal something to worry about?

Many of the reasons you may want to sleep after eating have to do with the carbohydrates and sugar in your food. A big drop in sugar after eating can make you feel extremely tired and want to snuggle up and fall asleep for a while. Also, your body requires a lot of energy to digest large amounts of food, which can make you feel exhausted and fatigued.

Drowsiness and lethargy are also related to certain hormones and amino acids in your body. For example, turkey contains the amino acid tryptophan that has been linked to sleepiness and drowsiness. So many people claim that eating turkey makes them sleepy due to the compound tryptophan. We will talk later about whether this is more myth than reality.

The science behind feeling tired and sleepy after eating

Food is the main source of energy your body needs to function properly. As soon as you eat food, your digestive system goes to work breaking down the food and extracting the nutrients. Your digestive system converts much of the food you eat into fuel or glucose.

When food is eaten, there is a spike in insulin in the body. After this initial spike, insulin levels drop significantly, which some call a sugar drop.

However, this is not the only effect caused by food intake. Insulin also causes tryptophan to reach the brain where it stimulates serotonin and melatonin. Both neurotransmitters help regulate sleep.

Foods rich in carbohydrates increase the levels of tryptophan in the blood. This, in turn, affects the levels of serotonin in the brain. The result is a calming effect on the body that can cause drowsiness.

Reasons you feel sleepy or tired after eating

Let's take a closer look at the many reasons why having lunch or dinner can make you feel tired and sleepy.

Orexin suppression

Orexin is a chemical in the body that helps regulate wakefulness and appetite. Blood glucose levels are directly related to orexin production. Researchers have found that high insulin levels decrease the amount of orexin the body makes. This could make a person extremely tired and sleepy after a carbohydrate-rich meal. On the other hand, lower levels of insulin stimulate orexin secretion.

Therefore, one of the reasons for extreme fatigue after meals could be because insulin and glucose levels inhibit orexin.

Inflammation

Another reason to feel sleepy after lunch or dinner is if you have an inflammatory disease.

Inflammation in the body causes the body to divert energy to fight infection and the source of inflammation. Researchers have found that inflammatory responses in the body also excrete cytokines that inhibit orexin and can make you sleepy.

Inflammation caused by an acute illness can negatively affect orexin levels. This can have the effect of not only making you sleepy after a meal, but also making you drowsy while you're sick.

Insulin and tryptophan

Insulin spikes that occur after consuming too many sugary drinks or carbohydrates can cause an energy drop after eating.

The American Journal of Clinical Nutrition published a study showing that foods with a high glycemic index (GI) increase the amount of tryptophan in the brain. High levels of tryptophan increase serotonin secretions, leading to sleep.

Tryptophan supplements are used to increase serotonin naturally. This is sometimes used for people who have trouble falling asleep.

Intestinal hormones

Another reason food can make you sleepy is due to hormones in your gut that are part of your digestive system.

One of these hormones is cholecystokinin (CCK), which can induce a feeling of drowsiness after a high-fat meal. For example, clinical trials on the effect of CCK and the feeling of drowsiness after eating have shown a connection. A 2010 study reported that increased CCK levels after eating created an "eating-induced sleep response."

Although CCK increases orexin levels, other chemical interactions in the gut cause fatigue and lethargy after eating a large meal.

Disorders that cause drowsiness and sleep after eating

Let's look at some underlying health conditions that are also linked to feeling tired after eating.

Digestive disorders and drowsiness after eating

Some digestive disorders such as irritable bowel syndrome or celiac disease can cause drowsiness after eating.

A study from China found that many gastrointestinal problems can cause drowsiness and tiredness after eating. For example, peptic ulcers, irritable bowel syndrome, and heartburn have been linked to daytime sleepiness. People who have one or more digestive problems also showed more symptoms of daytime lethargy.

Obesity

People who are overweight tend to feel sleepier after eating carbohydrates or large meals than people who are at a healthy weight.

Weight gain is not only an outcome of overeating or lack of physical activity. Even small lifestyle habits can make a huge impact on your waistline. You will be surprised to know how important sleeping is for weight loss. We hardly worry about losing some sleep or cutting it short, but all these things over time can show on your waistline. Studies suggest that losing even 15 minutes of sleep can lead to a significant amount of weight gain.

 

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