Weed Hangover

Weed Hangover: The Symptoms And How To Prevent It

A weed hangover is a unique phenomenon that many cannabis smokers from around the world report as being a reality. One is usually said to involve symptoms that range from a “cotton mouth” sensation to ailments that typically appear when someone has an alcohol hangover.

If you want to fully understand what a weed hangover is, then you will also have to know why these symptoms are regularly reported by marijuana users. If you have already looked around the internet, then you might have seen that there are plenty of common misconceptions when it comes to what a weed hangover is and what it is not.

We have created this article to steer you away from them.

What is a Weed Hangover?

If you have ever experienced an alcohol hangover after a long night of drinking, then you will probably already know just how horrible hangover symptoms of any kind can make your very existence. A marijuana hangover is no different, but we would like to start by saying that they are usually relatively easy to treat when compared to their alcohol-induced counterparts.

Individuals from different countries around the world experience this phenomenon and it can occur at any time. You might get a marijuana hangover during the night if you have been smoking since the first thing, or one could hit you as soon as you wake up in the morning. Your symptoms could range from nausea to general lethargy.

Are There Any Cannabis Hangover Studies?

It is only natural to want to see evidence of different physical ailments, but weed hangover studies are few and far between when you compare them to alcohol-related studies. This is quite worrying when you think about the number of people who are turning to the internet to find hangover cures after a long night of smoking.

One of the most famous studies on the cognitive symptoms that are regularly associated with smoking marijuana was undertaken in 1985. Chait LD, Fischman MW, and Schuster CR wanted to see what the effects of smoking marijuana were.

Sadly, this study made the same mistake that a lot of modern studies have also made. It involved a tiny sample size of just thirteen men. They were all given either a placebo cigarette or a marijuana cigarette to see what the actual after effects of smoking cannabis were.

This study suggested that residual effects are felt the next day. We believe that a study with a larger sample size would be required to find out more information about this topic and how cannabis use affects people.

Other studies have since been performed, including a 1998 study by Fant RV, Heishman SJ, Bunker EB, and Pickworth WB. You should note that this study still involved a small sample size of just ten men.

This study found that physical symptoms, including a heart rate increase and a decrease in the pupillary light reflex, were present. But, these were present on the same day. One could say that this occurred because each of the subjects was only smoking a single marijuana cigarette.

What Causes a Weed Hangover?

When we are talking about what causes a weed hangover, we are actually talking about a few different things. A lot of people struggle to spot the difference between still being high and a weed hangover, so this guide is going to cover a few of the different symptoms that you should expect if you have been smoking a lot of marijuana.

Does Cannabis Cause Dehydration?

Yes, yes and yes. Smoking cannabis is something that can and will dehydrate you. The active cannabinoid in marijuana is THC or tetrahydrocannabinol. The presence of THC is responsible for most of the weed hangover symptoms that people report. It binds itself directly to our submandibular glands and prevents them from producing the amount of saliva that we need.

If you don’t drink enough water, then you are going to feel the effects of this. Do you get a dry mouth when you smoke? This is a feeling that most people who enjoy smoking weed report. Try to remember that dehydration is usually preventable, as long as you drink water before, after and during your smoke.

Weed Hangover Symptoms

A weed hangover is something that affects different people in different ways. Some people are sick when they have had too much alcohol to drink, whereas other people can function quite normally. A weed hangover is no different.

This makes it difficult for us to be able to tell you exactly how one will affect you. Here are some of the main symptoms that people report experiencing:

Brain Fog

If you are a cannabis smoker, then you might have noticed that your perception of time slows down while you are smoking. This is because long-term marijuana usage can mess with both your cognitive function and your short-term memory. If you add this to dehydration, then you have what most people refer to as “brain fog”.

Brain fog is something that affects different people in different ways. If you get brain fog, then how severe it is can depend on many different factors. Did you stay up late smoking? Did you get enough sleep after you finished smoking? Your brain might also feel sluggish if you aren’t well rested.

Dry Eyes

As we have already mentioned, smoking a lot of weed is something that will probably leave you feeling a little bit dehydrated. If we were to look for a single common symptom that sums up a marijuana hangover, then dry eyes would definitely be somewhere near the top of the list.

Dehydration is bad and it will hit every part of you if you don’t drink enough. If you stay up smoking late at night and don’t get enough sleep after, then you are creating a recipe for disaster. Try to make sure that you do not leave drinking water until the morning. You will feel horrible if you do.


Weed Hangover

We think that getting a headache when you smoke is one of the worst things that can happen. Who wants to have a headache? No one. Cannabis can cause dehydration and dehydration can leave you feeling like someone is digging a pickaxe into your skull.

If you do get headaches regularly when you are smoking, then we would advise that you try out a few edibles and see if they help the situation. Try to avoid salty foods as they will make you feel more dehydrated. You should note that headaches like these usually appear in the morning after you have been smoking all night. They are not unlike alcohol-induced headaches.


Most of us don’t need cannabis to feel fatigued, but quite a lot of people who report having weed hangovers note fatigue as one of their primary symptoms. A lot of people enjoy smoking marijuana or medical marijuana late at night to help them sleep. It can help when your body is running on overtime and doesn’t want to shut down.

In 2014, an article was published by WebMD about a medical study that took place at the University of Pennsylvania. The study aimed to link marijuana usage and poor sleep. It concluded that marijuana users are less likely to enjoy feeling rested after they have slept and they are generally more tired during the day.

This shows not just the effects of cannabis usage, but the effects that a lack of proper sleep can have on your body.

How Long Does a Weed Hangover Last?

How long a weed hangover will last is something that depends on a number of different factors. Did you get any sleep after smoking weed? How much weed did you smoke? Did you drink water regularly while you were smoking? Did you eat any salty food? Naturally, it is impossible for us to tell you how long a weed hangover will last, but we can give you some advice on how to cure a weed hangover.

Does a Weed Hangover Cure Exist?

We have found that taking on all of the cannabis hangover symptoms separately is the best way of getting rid of them. This means that a single weed hangover cure does not exist, but you can use several different techniques to achieve the desired effect.

If you are suffering from brain fog, then we would recommend that you go outside to get some fresh air and do a little bit of exercise if you can. You should also drink lots of water to hydrate your body.

Dry eyes can be handled in the same way because they are also caused by dehydration. Try to drink water before and after you have a smoke. If you are smoking late at night, then you should always have a drink before you go to bed.

If you feel fatigued when you smoke cannabis, then you will have to take a slightly different approach. Try to make sure that you feel relatively fit and get as much sleep as possible. If you need to avoid cannabis for a little while, then avoid cannabis.

Don’t drink alcohol. If you know that smoking leaves you feeling tired at night and in the morning, then you might want to think about limiting your cannabis use to a particular time.

Unfortunately, THC is a bit of a nightmare when it comes to dehydration. This makes it difficult to label a single weed hangover cure that can take on dehydration if you have not drunk enough water.

Dehydration is something that will affect your brain and your body so you might want to limit your cannabis use if you feel like your weed hangovers are too volatile. You could also try edibles to see whether or not you experience the same issues.

Keeping Weed Hangovers Away

If you are currently experiencing weed hangovers regularly, then there is very little that you can do to stop them from occurring if you do not drink a lot. We would advise that you make sure that you stay hydrated while you are smoking cannabis, try to get some fresh air and eat as healthily as you can.

Avoid salty foods because they will only make the dehydration worse. Try not to overdo it, but don’t let the symptoms of a weed hangover stop you from doing something that you enjoy.

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2 thoughts on “Weed Hangover: The Symptoms And How To Prevent It”

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