Workplace Anxiety Spike? Expert Explains What Your 3 PM Coffee May Be Doing to Your Brain

Many office-goers have an afternoon ritual: drinking coffee after lunch to keep drowsiness away.  While this may seem like a harmless habit, many people experience a spike in anxiety levels at the workplace due to caffeine intake. But does this hold true for everyone? Moreover, can a single cup of coffee be blamed for the anxiety spike? Today, we will answer all these questions for you in this article. 

Let us take a look at what Dr Sharadhi C, Consultant, Psychiatry, Aster CMI Hospital, Bangalore, has to say about this. 

Is Your 3 PM Caffeine Fix Causing Workplace Anxiety?

Dr Sharadhi says that 3 PM caffeine fix could contribute to sudden workplace anxiety in some people. Explaining this, she adds, “This is because caffeine stimulates the nervous system and can increase alertness, heart rate and the release of stress hormones. This may feel like anxiety, especially if you are sensitive to caffeine, have had several caffeinated drinks already, or consume it on an empty stomach.”

The expert continues, “Caffeine can also stay in the body for several hours, so an afternoon coffee, tea, energy drink or cola may affect your sleep later that night. Poor sleep can increase stress, irritability and anxiety the next day. This can create a cycle, where you use caffeine to fight tiredness but then experience more nervousness or sleep problems; workplace pressure, lack of food, dehydration and long periods without breaks can add to these symptoms.”

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What is The Link Between Caffeine and Anxiety?

A 2024 study, published in the Frontiers in Psychology journal, noted that coffee is one of the most popular beverages globally, but its active ingredient, caffeine, has powerful effects on the brain. Caffeine functions as a central nervous system stimulant by blocking specific brain receptors that usually help calm us down. While this blocking action makes us feel more awake and energetic, it also changes brain chemicals related to mood and stress. Since anxiety disorders are increasing worldwide, researchers wanted to examine if our daily coffee habits are adding to the problem. 

Previous research on caffeine has been highly confusing. Some studies claim that coffee helps boost mood, while others mentioned that it triggers panic. The researchers of this study attempted to settle this debate. To do so, they conducted a comprehensive review, combining data from many different studies into one large analysis. They focused on healthy individuals who did not have any pre-existing mental health conditions such as diagnosed anxiety disorders.

The researchers found out drinking small amounts of caffeine only caused a very mild and moderate increase in everyday anxiety levels. On the other other hand, consuming large amounts of caffeine caused a massive and highly significant spike in anxiety symptoms. The study noted that a dramatic jump in anxiety risk was especially noticeable when people consumed more than 400 milligrams of caffeine in a day. 

Therefore, the study concluded that a single morning cup of coffee is fine, but drinking multiple energy drinks or large coffees can seriously impact your nerves. The findings also warn that healthy adults should carefully monitor their daily caffeine intake to help maintain better mental and emotional well-being. 

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Tips To Prevent Caffeine-induced Anxiety Spike 

Dr Sharadhi says that if you notice that your anxiety, racing heart, shakiness, restlessness or sweating regularly appears after your afternoon caffeine, you can: 

• Try reducing the amount gradually.
• Switch to a lower-caffeine drink.
• Keep a simple record of when you consume caffeine and when symptoms occur. 

“Do not assume every anxiety episode is caused by caffeine, particularly if symptoms are new, severe, frequent or accompanied by chest pain, fainting, significant breathing difficulty or an irregular heartbeat, in which case medical evaluation is important,” warns the expert.

ALSO READ- Starting Your Day With Caffeine? Dietitian Reveals What Happens to Your Body

Conclusion

Your afternoon cup of coffee in the office may seem like the perfect cure for a mid-day slump, but it can be the hidden culprit behind your sudden workplace anxiety spike. This is because caffeine acts as a powerful stimulant on the nervous system. Therefore, consuming large amounts can easily trigger physical stress responses and harm your crucial sleep cycle. To break this toxic cycle, consider swapping your 3 PM brew for a lower-caffeine alternative and track how your body responds to the change. However, if intense feelings of nervousness or a racing heartbeat continues even after cutting down on caffeine, consult a healthcare professional to rule out other underlying issues.