Your watch says 104 beats per minute, but you’re sitting on the couch. You had a couple of drinks with dinner, and the number is higher than usual. Does alcohol change your heart rate? Yes, it can, even before you start to feel inebriated.
It’s easy to think a glass of wine helps you wind down. You might feel relaxed even as your pulse rises. Some people notice pounding beats. Others feel nothing at all.
At Unconscious Moderation, we help people look at their drinking habits and decide what works for them. In this article, we’ll explain why alcohol can speed up your pulse, how it can affect your heart’s rhythm, and when you should speak to a doctor about your heart rate. We’ll also look at ways to make more informed choices about drinking.
Does Alcohol Change Your Heart Rate?
Yes. Alcohol can raise your heart rate at rest. The effect can begin soon after you drink. Here’s what to know:
- Faster pulse: Alcohol can change how your heart and blood vessels respond.
- Different reactions: The amount you drink and your health can affect the response.
- Irregular beats: Alcohol can sometimes trigger a heart rhythm problem, such as atrial fibrillation (AFib).
- What helps: Drinking less may reduce alcohol-related heart risks. A new or unusual heartbeat needs medical advice.
A faster pulse after drinking doesn’t always mean there’s a serious problem, but it shouldn’t be ignored if it keeps happening.
What Is a Normal Heart Rate?
Your heart rate is the number of times your heart beats in one minute. It’s also called your pulse. Your resting rate is measured when you’re awake and calm.
For most adults, a resting rate of 60 to 100 beats per minute is normal. Some active people have a lower rate. Your pulse can rise with exercise, stress, or illness. The NIH’s MedlinePlus guide to checking your pulse explains these ranges.
Your usual resting heart rate is a useful point of comparison. For example, if it’s normally 65 beats per minute but rises to 95 after drinking, that’s an increase of 30 beats per minute. Both numbers are still within the normal range, but your heart is beating faster than usual.
Heart rate and heart rhythm are different, too. Your rate tells you how fast your heart beats. Your rhythm tells you if those beats follow a steady pattern. Alcohol can affect both.
What Happens to Your Heart After Drinking Alcohol?
Alcohol enters your blood and begins affecting your body’s control systems. That includes the signals that help manage your heartbeat. You may not notice the effects.
Your Heart May Beat Faster
In a small study of 72 young adults, researchers found that people given alcohol had a higher average heart rate than those given a drink without alcohol. The study also found changes in how the heart responded to the body’s signals.
People may respond differently outside the study.
Blood Vessels Can React, Too
Alcohol can make some blood vessels widen. Your body may then adjust how fast your heart beats to keep blood moving as needed. Alcohol also affects the nerves that control your heart and blood vessels.
You can feel relaxed even as your pulse rises.
How Much Alcohol You Drink Can Affect Your Heart Rate
A glass of wine, a beer, and a cocktail can contain very different amounts of alcohol. A strong cocktail or large glass of wine may contain more alcohol than you think.
The more alcohol you drink, the greater the chance it will affect your heart rate. Your health and any medicines you take can affect how your body responds, too.
Does Alcohol Change Your Heart Rate While You Sleep?
Your heart rate often slows during sleep. After drinking, it may stay higher than it would on an alcohol-free night. You might notice this on a fitness watch the next morning, even if you slept through the night.
Alcohol can also change your heart rate variability, or HRV. That’s the small change in time between one heartbeat and the next. Your watch may show a lower HRV after drinking. One HRV number doesn’t tell you how healthy you are.
A watch can show changes, but can’t explain them. Stress or illness may affect the numbers, too.
If your watch keeps showing an unusual pulse, or you feel your heart racing, speak with a healthcare professional. Don’t use the watch alone to rule out a heart problem.
Can Alcohol Cause an Irregular Heartbeat?
Yes. A fast, steady heartbeat differs from one that flutters or skips. These feelings are called palpitations. New or repeated symptoms need checking.
One condition linked to drinking is atrial fibrillation, usually called AFib. It happens when the upper parts of the heart beat out of step with the lower parts. Your pulse may feel fast or uneven. Some people feel nothing.
The National Heart, Lung, and Blood Institute says heavy drinking raises the risk of AFib. It also notes that even smaller amounts can trigger it in some people.
You may hear the term holiday heart. Doctors use it to describe heart rhythm problems that can follow heavy drinking, such as during celebrations or weekends. You don’t need to be a daily drinker to have an episode.
AFib can raise the risk of stroke, so an irregular heartbeat deserves proper medical care. Feeling a flutter doesn’t prove you have AFib. A doctor may use an ECG to check your heart’s rhythm.
Can One Drink Make Your Heart Beat Faster?
It can, but there is no fixed amount that causes a faster pulse in everyone. Some people notice a change after one drink. Others may notice little difference until they’ve had more.
The amount you drink and your health can change the effect.
If a drink seems to trigger palpitations each time, don’t keep testing that reaction. Speak to a doctor, especially if the feeling is new. People with known heart rhythm conditions may need to avoid alcohol or follow advice from their heart specialist.
Why Might Your Heart Still Be Racing the Next Morning?
Sometimes the effects last beyond the evening. Your heart may still be beating faster when you wake, especially after heavy drinking. A poor night’s sleep can make you more aware of every beat.
Worry can raise your pulse further. Try not to check your watch every minute. Give yourself a chance to rest, then see if the rate settles.
Illness or medication may play a part, too. If the rate remains high while you rest, or you feel unwell, get medical advice rather than writing it off as a normal after-effect.
What Should You Do if Your Heart Races After Drinking?
Pay attention to how you feel, not a single number.
Stop Drinking and Rest
Don’t have another alcoholic drink to settle your nerves. Stop what you’re doing and sit somewhere safe. Avoid more caffeine or energy drinks, which may add to a racing pulse. If you feel faint, don’t drive.
Slow breathing may ease worry, but it can’t treat a heart rhythm problem.
Notice What the Heartbeat Feels Like
Is it fast but steady, or does it feel uneven? Did it start suddenly? Does it settle after a short rest? These are useful details to share with a clinician.
Note your pulse if you can. One reading isn’t a diagnosis. If episodes keep coming back, arrange a medical check even if they go away on their own.
Know When to Get Urgent Help
Call 911 if your racing heartbeat comes with chest pain, trouble breathing, fainting, or severe dizziness. Don’t wait for the symptoms to pass or try to treat them with water or sleep.
If you have new palpitations, a pulse that stays fast at rest, or repeated irregular beats, contact a healthcare professional promptly. The NIH’s guidance on heart palpitations explains when symptoms need medical care.
How Can You Make More Informed Choices About Drinking?
If drinking affects your pulse, it may be time to look at your habits. You don’t need to make a lifelong decision.
Look at the Setting as Well as the Drink
Perhaps you drink most often after a long workday. Perhaps it’s easy to have more than you planned when everyone at dinner orders another round. Recognizing these settings can help you decide what you’d like to do differently.
Our articles on drinking after work and drinking in social situations look at these common habits.
Choose a Change You Can Try
You might set a drink limit before going out or choose an alcohol-free night. One choice needn’t become a lifelong promise.
Our article on how to drink less without counting days gives you ideas for trying a different approach. If social plans make that tricky, our sober-curious guide to parties and events may help.
Notice Patterns Without Expecting a Set Result
The UM app includes drink tracking and reflection tools. You can use them to note what you drank and what was happening around you. Your experience is personal. The app can’t diagnose or treat heart problems.
Thinking about alcohol and heart health may lead you to question your drinking habits. Our science page explains how journaling and tracking can help you examine them.
Make More Informed Drinking Choices With Unconscious Moderation
Now you know how alcohol can raise your heart rate and sometimes cause an irregular heartbeat. We’ve also covered what your fitness watch can tell you and the signs that need medical attention. If your heart often races or beats unevenly, see a doctor to find out what’s causing it.
The next time you plan to drink, you’ll have a better idea of how alcohol could affect your heart. You can pay attention to changes in your usual heart rate and decide if you’d like to cut back or take a break.
Want some help understanding your drinking habits? Download the Unconscious Moderation app to track your drinks, spot patterns, and make choices that suit your goals.
FAQs
Is a heart rate of 100 after drinking alcohol normal?
A resting pulse of 100 beats per minute is at the top of the usual adult range. Your normal rate may be lower. If your pulse stays fast while you rest, or you feel unwell, speak to a healthcare professional.
Can wine raise your heart rate more than beer?
Both can raise your pulse because both contain alcohol. What counts is how much alcohol you drink, not the name of the drink. A large glass of wine may contain more alcohol than a small beer.
How long can alcohol affect your heart rate?
The effect may last into the next morning. There is no set time. If a fast pulse continues at rest, get medical advice.
Can alcohol cause heart palpitations without heart disease?
Yes. Alcohol can trigger a pounding or fluttering feeling in people without known heart disease. Still, new or repeated palpitations need a medical check. You can’t confirm the cause by how they feel alone.
Will my resting heart rate go down if I drink less?
It may, especially if drinking has been raising your pulse. But there is no promised result or timeline. Your resting rate can change for many reasons, so speak to a clinician if you’re concerned about your numbers.