Irregular Sleep, Drinking Caffeine After 3PM Could Raise Your Risk Of Heart Attack And Stroke
I’ve always struggled with inconsistent sleep, staying up late and waking up at different times each day. My love for coffee was also on an all-time high with trying all the season specials. But it is only recently, I learned how this irregular sleep pattern and caffeine could increase my risk of heart attack and stroke. Now, I’m prioritizing a consistent sleep schedule and cutting out caffeine after 3 PM to protect my heart.
A new, shocking study shows that irregular sleep patterns can greatly increase the risk of heart attack and stroke. But that's not all: the timing of your caffeine intake could also play a critical role in your cardiovascular health. If you are struggling with inconsistent sleep patterns and regularly sipping on caffeinated beverages late in the day, you may be unknowingly putting yourself at risk for serious heart-related issues.
For most people, sleep is something of a given and we often only consider ourselves as long as we get our required seven to nine hours. However, according to a recent study conducted by researchers at the Children's Hospital of Eastern Ontario, it may not be that long after all. The study, which included more than 72,000 participants, found that people with irregular sleep patterns—those who fall asleep and wake up at vastly different times each day—face a 26% higher risk of experiencing a heart attack or stroke. This increased risk persisted even for those who managed to get enough sleep. The study followed up participants for eight years to track heart events such as heart attacks, strokes, and heart failure. The conclusions were clear: irregular sleep, even if it's sufficient in duration, is a major cardiovascular risk factor.
The researchers found that those whose sleep patterns were highly irregular had a significantly greater chance of life-threatening heart issues. The more erratic your sleep schedule, the greater the risk, regardless of how many hours you sleep. In fact, people with irregular sleep schedules showed worse cardiovascular health outcomes, including higher rates of high blood pressure, elevated stress hormones, and poor blood sugar and cholesterol management.
Senior scientist Dr. Jean-Philippe Chaput said "sleep regularity may be more relevant than sufficient sleep duration in modulating MACE [major adverse cardiovascular event] risk." In the study, it shows that our bodies are comfortable with consistency, and a varied sleep schedule may interfere with other processes that keep us healthy, especially the heart.
Another daily habit that may be putting your heart at risk is caffeine consumption after 3 PM. According to Dr. Chaput, the experts emphasize the need for a healthy sleep schedule and avoiding caffeine late in the day. Caffeine can stay in your blood for up to eight hours, and its consumption later in the afternoon can disrupt your sleep cycle.
Consistent, good-quality sleep is necessary for maintaining healthy cardiovascular function, and the disruption of this by late-day caffeine intake exacerbates the risks posed by irregular sleep. When you drink coffee, tea, or other caffeinated beverages too late, the stimulant effect on your nervous system makes it harder to fall asleep at a regular time. This can lead to inconsistent sleep patterns, which, as we have seen, can be harmful to heart health.
Dr Chaput insists that humans need to adopt practices that contribute to regularized sleep habits. This can be attained by establishing a proper sleeping and waking schedule, eliminating afternoon intake of stimulants such as caffeine, and making your body clock coincide with the lifestyle one leads.
According to the experts, the disturbance due to irregular sleep patterns impacts more than one physiological process involved in the maintenance of the healthy heart. For example, poor sleep can be associated with increased inflammation of the body, weakened immunity, and altered regulation of blood sugar and cholesterol, all of which contribute to increased blood pressure and weakening endothelial function, both associated with an increased risk for cardiovascular diseases. Sleep also plays a very important role in regulating stress hormones. Poor or disturbed sleep results in increased levels of cortisol, the stress hormone, which increases blood pressure and can have negative impacts on cardiovascular health over time.
Scientists hypothesize that these disturbances trigger a series of negative effects that enhance the risk of developing chronic heart conditions, including hypertension, atherosclerosis, or even heart failure.
In order to protect your heart, experts recommend several proactive measures to improve your sleep patterns and lifestyle. First, maintain a regular sleep schedule whereby you go to bed and wake up at the same time every day, including weekends. Consistency will keep your body's internal clock in check.
Along with regulating your sleep, paying attention to your caffeine habits is just as important. To reduce your risk of heart disease and stroke, experts suggest avoiding caffeine after 3 PM. If you’re sensitive to caffeine, this rule becomes even more critical.
In addition, the introduction of stress-reducing activities like yoga or mindfulness can also be beneficial to lower cortisol levels, and therefore both sleep and heart health can improve. A diet rich in antioxidants, healthy fats, and low on processed sugars also helps maintain cholesterol levels and reduce inflammation.
Apart from the timing of caffeine and your sleep schedule, another very overlooked factor is the quality of your sleep environment. Scientists have long known that the environment in which you sleep has a huge impact on the quality of your rest. Poor quality of sleep, even if your sleep schedule is regular, can cause health risks that are very much the same as those that arise from irregular sleep patterns.
Here’s an additional tip: make sure your bedroom is conducive to restful sleep. This means keeping your room dark, quiet, and cool. A temperature of around 65°F (18°C) is ideal for most people. Consider investing in a comfortable mattress and pillows, and avoid screen time at least 30 minutes before bed to allow your brain to unwind.
Irregular sleep, in association with taking caffeine in late parts of the day, can risk heart attack and stroke, but a simple maintenance of a sleep schedule, the reduction of consumption of afternoon caffeine, and sleep environmental awareness can definitely safeguard one's heart along with total health.
Your sleep is more than just a time for rest; it's a vital component of your long-term health, and maintaining consistency in your sleep habits is one of the best things you can do for your heart.
Credits: Canva
On No Smoking Day, we drive our focus to science-backed methods that can help one leave smoking. Smoking is one of the leading causes of preventable deaths worldwide. It also contributed to severe health problems, including cancer, cardiovascular diseases, and respiratory diseases. Even though many people are aware of this harmful consequences, many struggle to quit smoking. Mostly because it is a habit often associated to enjoying a break. Even when someone does not need it, their brain tricks them into believing that smoke is important for the break they are meant to enjoy.
However, there are several studies that have explored science-backed methods that could help one to quit smoke.
A study published in the journal Addiction, emphasizes three primary methods proven effective for quitting smoking: behavioral support, prescription medications, and nicotine replacement therapy (NRT). These strategies have shown varying levels of success in aiding smokers to quit permanently. In addition, alternative methods like e-cigarettes and mindfulness-based techniques have gained traction in helping reduce smoking addiction.
Quitting smoking is more than just a decision; it’s a commitment to significantly improving your health and well-being. Smoking has been directly linked to various cancers, lung diseases, and heart conditions. In the long term, stopping smoking can lower your risk of these life-threatening conditions.
According to the study, individuals looking to quit smoking should consider using Varenicline (sold as Chantix/Champix), Cytisine (a plant-based supplement available in Europe and Canada), or nicotine e-cigarettes.
“Quitting smoking is difficult, and some people find it harder to quit than others, but tobacco is uniquely deadly among legal consumer products, so it’s important to seek help quitting,” said lead investigator Jonathan Livingstone-Banks, a lecturer and researcher in evidence-based health care with the University of Oxford in the U.K.
Read: Does Smoking Affect Women Differently Than Men?
Quitting smoking isn’t just about resisting cravings. Often, behavioral support through counseling or therapy is crucial for tackling the psychological aspects of addiction. Behavioral therapy involves working with a trained professional to identify triggers, develop coping strategies, and create a tailored quit plan. Research shows that combining counseling with other quit methods can significantly increase success rates.
Some medications, such as varenicline (Chantix) and bupropion (Zyban), have been shown to help people quit smoking by reducing cravings and withdrawal symptoms. Experts suggest that varenicline works by blocking the effects of nicotine in the brain, while bupropion is an antidepressant that helps manage withdrawal symptoms. Both medications are generally more effective when combined with behavioral therapy.
Nicotine replacement products, such as nicotine patches, gums, lozenges, and nasal sprays, deliver controlled amounts of nicotine to ease withdrawal symptoms. According to experts at Harvard Health, NRT can double the chances of quitting by alleviating physical cravings while the person works on overcoming the psychological addiction.
Metabolic dysfunction-associated steatotic liver disease (MASLD), previously called fatty liver disease, is becoming extremely common in people with type 2 diabetes in India.
Studies suggest that 50–70 percent of Indians with type 2 diabetes may have fatty liver, and a significant proportion can progress to inflammation, liver fibrosis, cirrhosis, or even liver cancer if the condition is not detected early. Because India already has one of the world’s largest populations with diabetes, MASLD is emerging as a major but under-recognized public health problem.
The recently published consensus guidelines developed by Indian experts aim to provide practical, India-specific recommendations for diagnosing and managing MASLD in people with type 2 diabetes.
In fact, these are the first global guidelines for MASLD and type 2 diabetes, albeit restricted to India. This matters because most existing international guidance—including from organizations such as the American Diabetes Association—is largely based on evidence and healthcare systems in high-income Western countries. These recommendations often assume easy access to expensive diagnostic tests and medications, which may not always be feasible in India.
In India, healthcare costs are frequently paid out-of-pocket by patients. Advanced imaging tests or newer medications can therefore be unaffordable for many people.
The Indian consensus addresses this reality by recommending step-wise and cost-effective screening strategies, beginning with simple clinical risk assessment and basic laboratory tests, followed by non-invasive fibrosis scoring tools and ultrasound when appropriate. This approach helps identify high-risk individuals without overburdening patients or the healthcare system.
Another important reason these guidelines matter is that Asian Indians have a unique metabolic profile. Compared with Western populations, Indians often develop diabetes and fatty liver at younger ages and lower body weight, partly because of higher abdominal fat and insulin resistance. Therefore, early screening for liver disease in people with diabetes becomes particularly important in India.
Dietary recommendations are also adapted to local eating patterns. Instead of focusing on Western dietary models, the guidelines emphasize reducing refined carbohydrates, excess sugars, and unhealthy fats common in Indian diets while promoting traditional, healthier foods, whole grains, legumes, and increased physical activity.
In simple terms, these India-specific guidelines aim to ensure that more patients with diabetes are screened early, treated appropriately, and protected from severe liver complications, using strategies that are practical, affordable, and suited to the realities of the Indian healthcare system.
Guidelines for MASLD developed in Western countries provide important scientific guidance, but they are often designed for healthcare systems with greater resources and different patient characteristics. The Indian consensus recommendations differ in several key ways to make them more suitable for local populations and healthcare settings.
First, screening strategies are more pragmatic and cost-conscious. Western guidelines often recommend advanced imaging tests or specialized biomarkers to assess liver fat and fibrosis. However, these tests can be expensive and not widely available in many parts of India.
The Indian recommendations emphasize simple, widely available tools—such as routine blood tests and non-invasive fibrosis scoring systems—before considering more advanced imaging. This stepwise approach ensures that patients who are most at risk are identified while keeping costs manageable.
Second, the guidelines recognize the unique metabolic risk profile of Asian Indians. Compared with Western populations, Indians tend to develop metabolic diseases such as type 2 diabetes and fatty liver at younger ages and lower body mass index (BMI). Abdominal obesity and insulin resistance are particularly common.
Therefore, the Indian recommendations stress earlier and more vigilant screening for MASLD in people with diabetes, even if they are not severely obese.
Third, treatment priorities differ because of affordability and access to medications. Western guidelines may emphasize newer and often expensive drugs that show benefits for fatty liver disease. While these therapies can be effective, they may not be accessible to many patients in low- and middle-income countries.
The Indian consensus places stronger emphasis on lifestyle interventions, weight reduction, improved diet, and physical activity as the foundation of treatment, while suggesting pharmacotherapy selectively based on evidence, availability, and cost.
Fourth, perhaps the most important difference, dietary advice is culturally tailored. Western guidelines typically discuss Mediterranean-style diets.
In contrast, the Indian recommendations translate healthy eating principles into Indian dietary patterns, focusing on reducing refined carbohydrates, sugar-sweetened foods, and excess saturated fats while promoting whole grains, pulses, vegetables, and traditional balanced meals.
Finally, the Indian document highlights the need for public health awareness and primary care involvement, since a large proportion of patients with diabetes are managed outside specialized centers.
Overall, the key difference is that while Western guidelines provide strong scientific foundations, the Indian recommendations adapt those principles to local realities.
Credits: Wikimedia Commons and Instagram
Bristol Palin, an American real estate agent, who was a former public speaker and reality television personality started experiencing facial paralysis over a tear ago. On March 9, her 35-year-old daughter Sarah Palin posted a video on her Instagram Stories that shared an update on her ongoing health struggles. The story revealed that she is now considering plastic surgery to fix her paralysis.
"I am going to have a consultation today with a plastic surgeon in Austin," she said. "I have read that she specializes in facial paralysis type stuff so we will see what she says."
She also said, "Prayers because maybe she can help mostly with this eye," while pointing to her left eye. "When I smile or when I am expressive, it closes. I don't really care about my crooked mouth but my eye...so embarrassing to me. I feel like I should wear an eyepatch or something."
She went on to say, "It looks crazy and I just feel like I cannot even smile because it just closes. So maybe she can do some Botox or maybe there is some options with surgery. So we will see. Maybe she ca help with this eye or just the overall symmetry."
She also said that she had just returned from Alaska, where she visited another specialist who does her facial nerve blocks to help her paralysis. She also posted another update on her Instagram Stories and said that her consultation went well and that she will be sharing the information with her followers soon.
It was in January 2025, when she revealed her facial paralysis on Instagram. "I woke up nine days ago with a little weird sensation in my face. My mouth was pulling this way and it just felt a little off. So I went, looked in the mirror. I'm like 'Wow. This is looking a little weird. I feel like everything is pulling to the left."
She said that hours later her condition got worse and the left side of her face was having a "delayed" reaction.
Read: Why Does Your BBL Smell? Doctor Explains 4 Reasons That Could Cause It
As per a 2020 study published in the Indian Journal of Plastic Surgery, botulinum toxin (Botox) injections are helpful and are minimally invasive technique to restore facial symmetry. However, the study noted that a "surprisingly small minority of aesthetic injectors treat this condition."

The study also gives a case study of a patient with longstanding facial nerve paralysis after resection of an osteogenic sarcoma, before and after two weeks after first treatment with botulinum toxin. The improvements could be seen in mentalis synkinesis, more symmetrical smile, and improved eye apertures on animation.
It is an FDA-approved, injectable neurotoxin derived from Clostridium botulinum bacteria. It temporarily relaxes muscles by blocking nerve signals, commonly used to smooth dynamic wrinkles and treat medical conditions like chronic migraines, excessive sweating, and muscle spasms. Its effects last from three to four months.
Botox prevents the release of a neurotransmitter that signals muscles to contract, causing them to relax and soften wrinkles. Results typically appear in 3 to 14 days.
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