The average resting heart rate for adults falls between 60 and 100 beats per minute (bpm). That’s the range recognized by both the American Heart Association and the Mayo Clinic as normal when you’re sitting or lying down, calm, and feeling well. Where you land within that range depends on your age, fitness level, sex, and what’s happening in your body at the moment.
What Counts as Normal by Age
Heart rate changes dramatically from birth through adulthood. A newborn’s heart beats remarkably fast, somewhere between 85 and 205 bpm when awake, because a tiny heart needs to pump more frequently to circulate blood through a growing body. As the heart grows larger and stronger, it doesn’t need to beat as often to move the same volume of blood.
Here’s how resting heart rate shifts across age groups:
- Newborn to 3 months: 85 to 205 bpm awake, 80 to 160 bpm asleep
- 3 months to 2 years: 100 to 190 bpm awake, 75 to 160 bpm asleep
- 2 to 10 years: 60 to 140 bpm awake, 60 to 90 bpm asleep
- Over 10 years and adults: 60 to 100 bpm awake, 50 to 90 bpm asleep
By around age 10, children settle into roughly the same range as adults. Sleep consistently lowers heart rate across every age group because the body’s demand for oxygen drops.
How Fitness Changes Your Resting Rate
A well-trained athlete can have a resting heart rate as low as 40 bpm. That’s not a sign of something wrong. It means the heart muscle has become so efficient that each beat pushes out more blood, so fewer beats are needed per minute to meet the body’s demands. This is why, when it comes to resting heart rate, lower generally signals better cardiovascular fitness.
You don’t need to be an elite athlete to see this effect. Regular aerobic exercise, even moderate amounts like brisk walking or cycling, strengthens the heart over time and gradually pulls your resting rate down. Someone who starts exercising consistently might see their resting heart rate drop by 5 to 10 bpm over several months.
Differences Between Men and Women
Women tend to have slightly higher resting heart rates than men. The reason is structural: the female heart is physically smaller on average, so it pumps a smaller volume of blood per beat. To compensate and deliver the same amount of oxygen to the body, it beats a bit more frequently. Research published in Frontiers in Physiology confirmed that female hearts beat faster but produce less total blood flow per minute. Interestingly, when you account for differences in lean body mass, men and women have nearly identical metabolic rates, meaning their bodies need roughly the same oxygen supply. The difference is just in how their hearts deliver it.
Why a Higher Resting Rate Matters
A resting heart rate consistently above 100 bpm is classified as tachycardia, and one below 60 bpm (in someone who isn’t physically fit) is called bradycardia. Both can be harmless or can signal an underlying issue worth investigating.
But the health implications aren’t just about crossing those thresholds. A long-term study of men in Copenhagen tracked participants for 16 years and found a clear, graded relationship between resting heart rate and mortality risk. Compared to men whose resting heart rate was 50 bpm or below, those with rates between 51 and 80 bpm had a 40 to 50% higher risk of death from any cause. A resting rate of 81 to 90 bpm doubled the risk, and rates above 90 bpm tripled it. For every additional 10 bpm, the risk of dying during the study period climbed by about 16%.
That doesn’t mean a heart rate of 75 is dangerous. It means that over large populations and long periods, a lower resting heart rate correlates with better cardiovascular health. Smoking amplified the effect: each 10 bpm increase raised mortality risk by 20% in smokers compared to 14% in nonsmokers.
What Temporarily Raises Your Heart Rate
Your resting heart rate isn’t fixed from hour to hour. A number of everyday factors push it higher temporarily. Caffeine speeds up heart activity by blocking a chemical that normally helps keep your heart rate steady. Nicotine triggers a similar stimulant response. Cannabis increases sympathetic nervous system activity and can cause a reflex increase in heart rate as blood vessels widen. Stress, anxiety, dehydration, illness, and fever all raise the rate too. Even digestion bumps it up slightly, which is why measurements are most accurate when you haven’t eaten recently.
Certain medications, including some cold medicines and asthma inhalers, can also elevate your heart rate. If you’re tracking your resting rate over time, try to measure under consistent conditions to get a meaningful comparison.
How to Measure Your Resting Heart Rate
The best time to check is first thing in the morning, before caffeine and before getting out of bed. If that’s not possible, sit quietly for a few minutes before measuring. You can check your pulse in two places: the inside of your wrist (on the thumb side, between the bone and the tendon) or your neck (in the groove next to your windpipe).
Place the tips of your index and middle fingers on the spot. Press lightly, just enough to feel each beat, and count for a full 60 seconds. Pressing too hard, especially at the neck, can actually slow the pulse and give you an inaccurate reading. Never press on both sides of your neck at the same time.
Wrist-based fitness trackers and smartwatches offer continuous monitoring, which can be useful for spotting trends. They’re reasonably accurate for resting measurements, though they can be less reliable during exercise or if the band is loose. For a quick spot check, the manual method works just as well.