Can Energy Drinks Make You Pass Out? (Really?)

When you are tired, nothing feels better than getting into your bed and closing your eyes to get a good night’s sleep.

However, it’s not always a good time to get sleep or a nap and such disruptions can keep you from performing your important tasks.

This is where the role of energy drinks comes in, they can actually make the unnecessary fatigue go away with all the hidden science.

Consuming energy drinks can have several benefits, however, one cannot ignore the side effects associated with energy drinks.

Energy drinks can make you feel nauseous, lightheaded, and dizzy. However, as far as the question is concerned whether energy drinks can make you faint or not, then, as far as I know, energy drinks will not make you faint, but there can be exceptional cases when this happens.

Let’s read the article a little more to learn whether energy drinks can make you faint or not and if so, then in what case!

Caffeine in Energy Drinks

Caffeine, a popular and legal psychoactive drug, can have a serious influence on your brain. It can make your brain active by reducing all the fatigue and you can concentrate more and have an improved focus.

Moreover, caffeine can also help you with a better memory as it has an impact on norepinephrine.

But with all these amazing benefits, caffeine comes up with a bundle of side effects such as:

  • Restlessness and shakiness.
  • Insomnia.
  • Headaches.
  • Dizziness.
  • Fast heart rate.
  • Dehydration.
  • Anxiety.
  • Dependency.

Caffeine can make you lightheaded and you might feel like fainting. However, it’ll not cause you to faint.

Due to the high caffeine content, people who consumed caffeine would sometimes ‘faint’ when they first consumed caffeine. This is called a “caffeine-induced syncope” or a “caffeine-induced weakness”. However, this commonly does not happen.

caffeine in energy drinks
Caffeine can make you dizzy

Can Energy Drinks Make You Feel Faint?

Energy drinks contain certain stimulants which can have mild to moderate effects on your brain. They are categorized by their main component, the chemical found in them, and their method of administration. The most popular types of stimulants in the world today are legal and illicit.

Stimulants refer to both the active ingredient in a certain drug as well as the drug itself. Stimulants refer to any drug that is taken to enhance, alter, modify, or enhance the effects of a drug already being taken which influence a person’s mental or physical abilities.

For example, the use of caffeine can give you a boost of energy but also can have adverse health effects such as heart palpitations and sleeplessness.

Caffeine, being a stimulant can provide you unlimited mental health benefits such as making you more active mentally; mental activity can benefit you by improving your memory, sharpening your thinking skills, and making your concentration on a certain task better.

However, these benefits come with other side effects including:

  • Restlessness and shakiness.
  • Insomnia.
  • Headaches.
  • Dizziness.
  • Fast heart rate.
  • Dehydration.
  • Anxiety.
  • Dependency.

In order you want to avoid the above side effects, you must make sure to keep your caffeine content to the level of 400 mg.

For some people, even consuming more caffeine than 150 mg can be a lot, so if you are caffeine sensitive then make sure to consume 80 mg to 150 mg and do not exceed it.

Can Caffeine Make You Feel Like Fainting?

Caffeine is a great ingredient for mental activity. However, the benefits of caffeine are not without any side effects.

It can make you nauseous, insomniac, and even lightheaded. Since caffeine makes you lightheaded so it can make you feel fainting or dizzy.

However, actually fainting by consuming caffeine is not common or likely to happen, but it can happen in exceptional cases.

Caffeine and dizziness
Caffeine might make you feel like fainting

Sugar in Energy Drinks

Do not we love eating sweet foods? Some people like to consume sweet things to a greater extent. One thing or another, it’s hard to replace the sweetness from your life.

However, the sweetness of sugar can cost you your health sometimes. This sweet enemy is loaded with calories. Not only it can make you gain weight, but it also causes diabetes in the long term.

Most energy drinks are extremely high in their sugar content and they can actually do more harm than good.

Following is the sugar content of a few most popular energy drinks:

Energy DrinksSugar Content
Red Bull 16 fl oz51 grams
Monster Energy Drink54 grams
G Fuel0 grams
Rockstar Energy Drink63 mg
The sugar content of energy drinks

Sugar Crash

A sugar crash is a condition in which a person who eats too much sugar is met with an extremely low level of sugar or hypoglycemia.

When you eat sugary food or energy beverages, so your blood sugar elevates quite quickly and then the pancreas in your body acts immediately and produces insulin to bring a drastic change in your blood sugar level.

However, this drastic drop in sugar levels can make you feel dizzy and you can even faint. So, energy drinks with excessively high levels of sugar can make you faint.

What Happens if you Drink Too Many Energy Drinks?

Long-term consumption of too many energy drinks can lead to health issues and one should never over-consume such drinks.

There are many reasons behind it, firstly, these drinks contain stimulants that have direct effects on the brain. These stimulants can have the following side effects on you:

  • Restlessness.
  • Headaches.
  • Dizziness.
  • Fast heart rate.
  • Dehydration.
  • Anxiety.
  • Frequent urination.
  • Insomnia.

In order to avoid the above side effects make sure to keep your caffeinated energy drink intake in check.

What Happens if you Drink 5 Monsters in One Day?

A single can of monster energy drink contains 54 grams of sugar, which is two times more than your daily sugar limit.

Consuming 5 cans of Monster energy is out of the question as it can harm your seriously.

Following is the sugar and caffeine content of Monster energy:

Monster Energy DrinksNutrient per serving
Caffeine163 mg
Sugar54 grams
Monster energy caffeine and sugar

If one can of Monster energy contains 54 grams of sugar and 163 mg of caffeine, then 5 cans would contain 270 grams of sugar and 815 mg of caffeine.

Whereas the limit of caffeine intake is 400 mg per day and 24 to 36 grams of sugar.

Monster energy drinks
Monster energy drinks should not be consumed more than once a day

How Long Do Energy Drinks Last?

How long an energy drink lasts in your system depends on how long caffeine lasts in your system; caffeine lasts in your system for up to 10 hours, however, its effects after 5 to 6 hours start decreasing.

So, an energy drink would last in your system from anywhere between 8 to 10 hours, as long as the caffeine does.

Can Energy Drinks Cause Memory Loss?

Memory loss is a common and serious side effect of many prescription drugs. It can range from mild forgetfulness to serious dementia and even death.

Prescription drugs are intended to help with a specific symptom, such as pain or anxiety, but many people find that the side effects of the drug outweigh the benefit.

Moderate consumption of caffeine does not mess up your brain, however, regular consumption of high dosages of caffeine can actually mess up your brain.

The drinks contain caffeine, which is a stimulant, being a stimulant, it has a direct effect on your brain. Having such impacts on your brain, really high dosages of caffeine can actually impair memory and learning.

Instead of taking the high dosages of such stimulants, which may cause further side effects such as lightheadedness and memory loss, it may be worth exploring other options.

Can Energy Drinks Give you Headaches?

Energy drinks have been associated with several benefits, however, they have been associated with several side effects as well.

The presence of stimulants such as caffeine can cause headaches accompanied by other symptoms such as nausea, and dizziness.

Can Energy Drinks Cause Digestive Problems?

Digestive problems can range from minor irritation to severe illness. The most common type of digestive problem is diarrhea, gastritis, or constipation.

Digestive problems can be a result of a number of factors, including diet, lifestyle, diet, and genetics.

Energy drinks can cause digestive problems such as diarrhea and gastritis.

Know what might be causing dizziness

Final Verdict

  • Energy drinks can make you feel nauseous, lightheaded, and dizzy. However, they do not make you faint normally, but in a few exceptional cases, this can happen.
  • The drinks, which have high levels of sugar can lead to sugar crashes which might make you feel dizzy and sometimes make you faint.
  • You can avoid this by consuming a moderate amount of energy drinks with a moderate level of caffeine and sugar.

Related Articles:

Can Energy Drinks Make You Awake? (The Truth Revealed)

Do Energy Drinks Make You Skinny? (Only Facts)

Can Energy Drinks Make You Taller? (Fact or Rumor)


I like to write about energy drinks and play video games. I hope the information that I share on this website is useful for you.

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