
Alcohol consumption can often lead to heightened anxiety the next day. This phenomenon, known as hangxiety, is a combination of a hangover and anxiety. It can cause symptoms such as a blinding headache, nausea, fatigue, and feelings of embarrassment, regret, and shame. Alcohol interferes with the body's 'fight or flight' response, affecting serotonin and other chemical levels in the brain, including gamma-aminobutyric acid (GABA) receptors, which can lead to increased anxiety. Additionally, alcohol is a diuretic, causing dehydration, which can further contribute to feelings of anxiety. While drinking alcohol may provide temporary relief from anxiety, it can lead to a harmful cycle, with increased alcohol consumption resulting in more severe hangover and anxiety symptoms.
| Characteristics | Values |
|---|---|
| Alcohol consumption affects the levels of | Serotonin |
| Gamma-aminobutyric acid (GABA) | |
| Glutamate | |
| Cortisol | |
| Alcohol interferes with the body's | 'Fight or flight' response |
| Alcohol is a | Diuretic |
| Natural disinhibitor | |
| Mild anaesthetic | |
| Alcohol disrupts | REM sleep |
| Paralytic sleep | |
| Alcohol boosts | Glutamate receptors |
| Alcohol withdrawal symptoms | Anxiety |
| Alcohol increases | Tolerance |
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What You'll Learn
- Alcohol boosts glutamate receptors, which may cause anxiety the next day
- Alcohol affects serotonin and other brain chemicals, causing anxiety
- Alcohol causes mild detox, which can induce anxiety and jitteriness
- Alcohol disrupts sleep, which can lead to nervousness and irritability
- Alcohol can cause dehydration, which can result in feelings of anxiety

Alcohol boosts glutamate receptors, which may cause anxiety the next day
Drinking alcohol can have a significant impact on anxiety levels, and this effect may persist well into the next day. This phenomenon, known as "hangxiety", involves experiencing anxiety alongside classic hangover symptoms like headaches, nausea, and fatigue. Individuals with pre-existing anxiety or depression are more likely to suffer from hangxiety.
Several mechanisms underlie the link between alcohol consumption and heightened anxiety. Firstly, alcohol interferes with the body's 'fight or flight' response, making individuals more vulnerable to anxiety disorders and exacerbating existing symptoms. When alcohol leaves the system, the sudden drop in alcohol levels can trigger the 'fight or flight' response, resulting in anxiety.
Additionally, alcohol consumption is associated with increased levels of cortisol, a stress hormone. Elevated cortisol levels can impair emotional regulation, making it challenging to manage anxiety effectively. Furthermore, alcohol interacts with gamma-aminobutyric acid (GABA) receptors in the brain, producing a calming effect after the first drink or two. However, as the evening progresses, alcohol boosts glutamate receptors, which are excitatory. This stimulation of glutamate receptors may contribute to anxiety the following day, potentially keeping individuals wide awake in the middle of the night.
Research has focused on therapies targeting glutamatergic receptors to address alcohol dependence and its associated anxiety. Glutamate, a major excitatory neurotransmitter, acts on ionotropic and metabotropic receptors. Ethanol exposure alters central glutamatergic activity, and chronic ethanol exposure can elevate glutamatergic activity in the central nervous system. By understanding these mechanisms, treatments can be developed to normalise glutamatergic activity and reduce alcohol intake.
To mitigate post-drinking anxiety, it is recommended to stay hydrated, eat, rest, and avoid stimulant drugs. Practising mindfulness, meditation, yoga, and deep breathing can also help ease anxiety. It is important to limit alcohol consumption, particularly if it triggers or exacerbates anxiety. Seeking professional help is advised if anxiety or alcohol consumption becomes problematic.
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Alcohol affects serotonin and other brain chemicals, causing anxiety
Alcohol consumption is linked to heightened anxiety levels the next day, a phenomenon colloquially termed "hangxiety". This effect is observed even in individuals without a diagnosed anxiety disorder.
Additionally, alcohol boosts glutamate receptors, which are excitatory. This boost may contribute to anxiety the day after drinking. Furthermore, alcohol use increases cortisol levels, a stress hormone. Elevated cortisol can impair emotional regulation, leaving individuals more susceptible to anxiety.
The link between alcohol and anxiety is bidirectional. Individuals with existing anxiety may turn to alcohol as a coping mechanism, seeking its initial calming effect. However, as the effects of alcohol wear off, anxiety symptoms can worsen. This creates a vicious cycle where individuals attempt to alleviate anxiety with alcohol, only to experience intensified anxiety later, perpetuating a cycle of dependence and worsening symptoms.
The severity of anxiety after drinking is often proportional to the quantity of alcohol consumed. Heavy drinking can significantly disrupt sleep patterns and natural brain chemistry, exacerbating anxiety symptoms. Dehydration caused by alcohol's diuretic properties can also contribute to feelings of nervousness and anxiety.
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Alcohol causes mild detox, which can induce anxiety and jitteriness
Alcohol consumption is linked to heightened anxiety and jitteriness the next day. This phenomenon, known as "hangxiety", is characterised by feelings of embarrassment, regret, shame, and nervous energy. It is important to recognise that alcohol consumption can lead to a mild detox or withdrawal effect, which may be a key contributor to these unpleasant symptoms.
When individuals consume alcohol, even in standard amounts, their body undergoes a detoxification process. The liver requires approximately eight hours to eliminate the toxic by-products of alcohol metabolism. During this detoxification period, the central nervous system can be affected, resulting in feelings of jitteriness and anxiety. This can occur even with a single drink, as alcohol has the ability to disrupt natural sleep cycles, leading to nervousness and irritability the following morning.
Additionally, alcohol interacts with the body's natural chemicals, including serotonin and gamma-aminobutyric acid (GABA) receptors in the brain. This interference with the brain's chemistry can further contribute to the anxiety experienced during the mild detox phase. Furthermore, alcohol boosts glutamate receptors, which are excitatory, potentially explaining why individuals may find themselves wide awake in the middle of the night after a night of drinking. The increased glutamate levels may also contribute to prolonged feelings of anxiety well into the following day.
The consumption of alcohol is also associated with the release of cortisol, a stress hormone. Elevated levels of cortisol can impair emotional regulation, leaving individuals more susceptible to negative thoughts and emotions, further exacerbating anxiety. It is important to note that the more one drinks, the greater the potential intensity of these hangover symptoms, including anxiety.
To mitigate the likelihood and severity of post-drinking anxiety, it is recommended to follow guidelines for low-risk drinking, such as limiting consumption to one to two drinks per day and staying hydrated by drinking water between alcoholic beverages. Additionally, individuals experiencing anxiety or taking antidepressant medication should consider limiting or avoiding alcohol, as the interaction between alcohol and their medication may worsen anxiety symptoms.
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Alcohol disrupts sleep, which can lead to nervousness and irritability
Alcohol can cause or worsen anxiety in several ways, and one of the key mechanisms is by disrupting sleep. Even one drink can interrupt the natural sleep cycle, causing nervousness or irritability the next morning. This is because alcohol is a mild anaesthetic that initially makes you feel sleepy, but later in the sleep cycle, it disrupts REM sleep and paralytic sleep, which are essential for the body to rejuvenate.
Alcohol boosts glutamate receptors, which are excitatory, and this can cause you to wake up in the middle of the night if you have had a lot to drink. The boost in glutamate may also contribute to anxiety the next day. In addition, alcohol consumption releases cortisol, a stress hormone, which can reduce your ability to regulate emotions the following day.
The more you drink, the more intense hangover symptoms, including anxiety, can be. If you are experiencing anxiety, drinking alcohol can make things worse, and a vicious cycle can begin. Over time, the central nervous system gets used to the suppressing effect of alcohol, and when the alcohol level suddenly drops, you can go straight into 'fight or flight' mode as your body experiences a mild detox or withdrawal.
If you are prone to anxiety after drinking, it is important to be mindful of your alcohol consumption and practice self-compassion. Strategies such as pacing yourself by drinking water between alcoholic drinks, tracking your drinking to spot patterns and avoid triggers, and practising relaxation techniques like deep breathing, meditation, and yoga can help manage post-drinking anxiety.
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Alcohol can cause dehydration, which can result in feelings of anxiety
Alcohol consumption can cause dehydration, which can result in feelings of anxiety. Alcohol is a diuretic, which means it increases urine production and fluid loss. This can lead to dehydration if adequate fluids are not consumed alongside alcohol. Dehydration can cause a range of physical symptoms, including a dry mouth, headache, and fatigue, which are also common symptoms of anxiety.
In addition to dehydration, alcohol can disrupt sleep patterns and affect the natural cycles of sleep, including REM and paralytic sleep, which can result in fatigue and increased anxiety. The disruption to sleep caused by alcohol consumption can further contribute to feelings of anxiety and irritability the next day.
Furthermore, alcohol can affect the levels of serotonin and other chemicals in the brain, such as gamma-aminobutyric acid (GABA) receptors. These changes in brain chemistry can impact mood and emotional regulation, increasing the likelihood of experiencing anxiety. The consumption of alcohol can also boost glutamate receptors, which may contribute to feelings of anxiety well into the following day.
The link between alcohol and anxiety is particularly relevant for individuals with existing anxiety disorders or those who regularly experience anxiety. For people with anxiety, drinking alcohol may provide temporary relief from symptoms, creating a cycle of dependence. However, as the effects of alcohol wear off, individuals may experience heightened anxiety due to the sudden drop in alcohol levels in their system.
To reduce the likelihood of experiencing anxiety after drinking, it is important to stay hydrated by drinking water or electrolytes and limiting alcohol intake. Eating, resting, and engaging in relaxing activities, such as mindfulness or meditation, can also help manage post-drinking anxiety.
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Frequently asked questions
Alcohol consumption can cause a mild detox or withdrawal, which affects your central nervous system and can make you feel jittery or anxious. It also interferes with your 'fight or flight' response, making you more vulnerable to anxiety disorders.
To reduce the chances of feeling anxious after drinking, it is recommended that you stick to guidelines such as having no more than 4 drinks in one day and no more than 10 in a week. It is also important to drink water between alcoholic drinks, as dehydration can cause anxiety.
If you are feeling anxious after drinking, try to get hydrated, eat something, and rest. Distract yourself by doing something relaxing, such as watching a movie, listening to a podcast, or trying mindfulness. Reach out to a friend or make use of anonymous support services.











































