Your resting heart rate (RHR) is how many times your heart beats per minute when you're sitting still and relaxed. It's one of the easiest health numbers to check, and one of the most useful. A lower resting heart rate generally means a stronger, more efficient heart. Research links a lower RHR to a longer life and fewer heart problems. The best part? Unlike some health markers, you can improve yours with simple lifestyle changes.
How do you measure your resting heart rate?
The best time to check is first thing in the morning, before you get out of bed or have any coffee. Sit or lie still for a few minutes, then place two fingers on the inside of your wrist or the side of your neck. Count the beats for 60 seconds. That number is your resting heart rate.
Many smartwatches and fitness trackers also measure RHR automatically. They tend to be fairly accurate, especially when averaged over several days. If you use one, check your morning readings rather than a single midday number.
What's a normal resting heart rate?
The standard medical range for adults is 60 to 100 beats per minute (bpm). But "normal" and "optimal" are not the same thing. Most cardiologists consider a resting heart rate in the 60s to be a sign of good cardiovascular fitness. Here's how the ranges break down:
Resting heart rate ranges for adults
| Range (bpm) | Category | What it means |
|---|---|---|
| Below 60 | Athletic / very fit | Common in trained athletes; heart pumps efficiently |
| 60 - 70 | Good | Sign of solid cardiovascular health |
| 70 - 80 | Average | Within normal range; room for improvement |
| 80 - 100 | Elevated | May indicate deconditioning, stress, or other factors |
| Above 100 | Tachycardia | Abnormally fast; talk to your doctor |
These ranges are for resting adults. Children naturally have higher heart rates. A resting heart rate in the 50s is normal for active people but may need evaluation if you have symptoms like dizziness or fatigue.
Women tend to have slightly higher resting heart rates than men, typically by about 3 to 5 bpm. This is normal and doesn't change the general targets above.
Why does a lower resting heart rate matter?
A lower RHR usually means your heart is strong enough to pump more blood with each beat. It doesn't need to work as hard. Think of it this way: a car engine running at low RPM on the highway is under less strain than one that's revving high. Your heart works the same way.
Per 10 bpm
+9% mortality
A meta-analysis of over 1.2 million people found that every 10-bpm increase in resting heart rate was linked to a 9% higher risk of dying from any cause.
The research is clear: people with lower resting heart rates tend to live longer. A large study tracking men for over 20 years found that those whose RHR rose over time had higher mortality rates, while those whose RHR dropped or stayed low fared better. Your resting heart rate isn't just a snapshot. It's a window into your overall fitness.
Resting heart rate and mortality risk
| Resting heart rate | Relative risk of death (all-cause) |
|---|---|
| Below 60 bpm | Baseline (lowest risk) |
| 60 - 80 bpm | 12% higher |
| Above 80 bpm | 45% higher |
Based on a 2016 meta-analysis of 46 prospective studies (CMAJ). Risk is relative to the lowest heart rate group and adjusted for age, sex, and other factors.
What affects your resting heart rate?
Many things can push your RHR up or down. Some you can control, some you can't:
Factors that influence resting heart rate
| Factor | Effect on RHR | Can you change it? |
|---|---|---|
| Aerobic fitness | Regular exercise lowers RHR significantly | Yes |
| Stress and anxiety | Activate fight-or-flight, raising RHR | Yes |
| Sleep quality | Poor sleep raises RHR; good sleep lowers it | Yes |
| Caffeine and nicotine | Stimulants temporarily raise RHR | Yes |
| Dehydration | Heart works harder to circulate less blood volume | Yes |
| Medications | Beta-blockers lower RHR; some stimulants raise it | Talk to your doctor |
| Illness or fever | Body speeds up heart rate to fight infection | Temporary |
| Age | RHR tends to increase slightly with age | No, but fitness offsets it |
If your RHR jumps suddenly and stays elevated for days, it can signal overtraining, illness, or increased stress. Tracking it over time helps you spot these patterns early.
How can you lower your resting heart rate?
Aerobic exercise is the single most effective way to lower your RHR. When you train your heart regularly, it grows stronger and pumps more blood per beat. Over time, it simply doesn't need to beat as often at rest.
- Get regular cardio exercise. Aim for at least 150 minutes per week of moderate activity like brisk walking, cycling, or swimming. Consistent aerobic training can lower RHR by 10 to 20 bpm over several months. Interval training, where you alternate bursts of effort with recovery, may be especially effective.
- Improve your sleep. Aim for 7 to 9 hours of quality sleep. Poor or short sleep raises stress hormones that keep your heart rate elevated. A consistent sleep schedule helps your body recover overnight.
- Manage stress. Chronic stress keeps your nervous system in fight-or-flight mode, which raises RHR. Deep breathing, meditation, regular walks, and time in nature can all help activate your body's rest-and-recover response.
- Stay hydrated. When you're dehydrated, your blood volume drops and your heart has to beat faster to circulate the same amount of blood. Drinking enough water throughout the day is a simple way to keep your heart rate in check.
- Cut back on stimulants. Caffeine and nicotine both raise heart rate. If your RHR is elevated, reducing your intake can make a noticeable difference.
If you're already active and your RHR is in the 60s, you're in a good place. Focus on maintaining your routine and tracking trends rather than chasing a specific number. Pairing your RHR data with your heart rate variability (HRV) gives you an even better picture of your cardiovascular fitness and recovery.
When should you see a doctor?
A resting heart rate that's consistently above 100 bpm (tachycardia) deserves medical attention, especially if you feel palpitations, shortness of breath, or lightheadedness. On the other end, a resting heart rate below 50 bpm with symptoms like dizziness, fainting, or unusual fatigue should also be evaluated.
A low RHR without symptoms is usually fine and is common among fit people. But if you notice a sudden, unexplained change in either direction, bring it up with your doctor. Changes in heart rate can sometimes point to thyroid problems, anemia, heart rhythm disorders, or medication side effects.
How does RHR fit into the bigger picture?
Resting heart rate is a valuable marker, but it's one piece of a larger puzzle. It tells you how hard your heart is working at rest, but not whether your arteries are clear or how much plaque has built up. For that, you need imaging. A coronary CT angiogram shows the actual condition of your arteries, while a calcium score screens for calcified plaque.
Combining your resting heart rate with other markers like blood pressure, LDL cholesterol, and HbA1c gives you and your doctor a more complete picture of your cardiovascular risk. No single number tells the whole story.
The bottom line
Your resting heart rate is a free, daily window into your heart health. A rate in the 60s is a sign of a strong, efficient heart. If yours is higher, regular cardio exercise is the most proven way to bring it down. Track it over time, pair it with other key health markers, and you'll have a clear picture of where you stand.
Confidence in your heart health
A CT angiogram heart scan gives you the full picture of your arteries, giving you clarity and the power to act early. Reserve your spot today.