How to Lower Resting Heart Rate: What Each Method Is Worth in bpm

Q: How can I lower my resting heart rate fast?

The fastest changes come from removing what pushes it up: alcohol in the evening, short sleep, dehydration and heat all raise the next morning's number, and the effect reverses within a day or two. A lasting drop takes training. In a meta-analysis of 191 studies, endurance training lowered resting heart rate by about 3 to 6 bpm, and the typical program ran 12 weeks at three sessions a week.

Q: How much does exercise lower resting heart rate?

Across 191 controlled studies, exercise lowered resting heart rate by an average of 3.3 bpm compared with non-exercising controls. Endurance training was worth 2.7 to 5.8 bpm depending on the group studied, yoga about 5 bpm, and strength training had no significant effect overall. People who start with a high resting heart rate drop the most.

Q: Does HIIT lower resting heart rate?

Yes, with enough time. A meta-analysis of 65 HIIT studies found a significant drop in resting heart rate after programs of 12 weeks or more in overweight adults, but not in programs shorter than that. In cardiac patients, continuous moderate training lowered resting heart rate by 1.8 bpm more than intervals, while intervals raised VO2 max more. The two methods do different jobs, so most plans use both.

Q: Does yoga lower resting heart rate?

Yes. In the largest meta-analysis of exercise and resting heart rate, yoga lowered it by about 5.2 to 5.5 bpm, roughly the same as endurance training and more than strength training. A separate meta-analysis of slow breathing exercises alone found a smaller drop of 1.7 bpm over 2 weeks to 6 months.

Q: How long does it take to lower resting heart rate?

Plan on about three months. The exercise programs in the 191-study meta-analysis lasted a median of 12 weeks, most at three sessions a week, and the authors describe the effect as appearing after a few months. Studies longer than 30 weeks found bigger drops in older adults. Day-to-day changes from sleep or alcohol show up overnight but do not last.

Q: Why is my resting heart rate high even though I exercise?

Something is pushing it up temporarily. Alcohol raises overnight heart rate even at low doses, sleeping 6 hours or less is linked to a resting heart rate about 3 bpm higher, hot weather adds a little, and an infection can raise it days before you feel ill. A resting heart rate that stays high for several mornings during hard training is an early overtraining signal.

Q: Can resting heart rate be too low?

A low resting heart rate in a fit person who feels well is a normal training adaptation, and endurance athletes are often in the 40s. It needs a doctor when it comes with dizziness, fainting, breathlessness or unusual fatigue, when it is below 50 in someone who does not train for endurance, or when it changes sharply without a change in training, illness or medication.

By Cristian Serb · Updated October 16, 2026

Apple Watch on a man's wrist showing a paused workout with a heart rate of 68 bpm

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The most reliable way to lower your resting heart rate is endurance training: across 191 controlled studies it was worth about 3 to 6 bpm, with the typical program running 12 weeks at three sessions a week. Yoga lowered it by about 5 bpm, strength training by almost nothing, and the biggest drops went to people who started highest. Sleep, alcohol and heat move the number within a day, but only in the short term.

Most advice on this topic lists ten things to do and gives no idea which one matters. This guide ranks each lever by its studied effect size, says how long it takes, and explains why the number is worth lowering at all. If you want to know where your number stands first, start with our guide to a normal resting heart rate.

Contents: What each lever is worth · Which exercise works best · How fast it drops · Why it matters · Why it is suddenly high · When low is too low · How to measure it · FAQ

How Much Can You Lower Your Resting Heart Rate?

Here is every lever with a measured effect, from the studies that measured it. The exercise rows come from a meta-analysis of 191 controlled trials with 215 samples (Reimers et al., 2018), which is the largest analysis of exercise and resting heart rate so far.

Lever	Typical effect	Time to effect	Source
Endurance training	2.7 to 5.8 bpm lower than controls (4.5 to 9 percent), more if you start high	Median 12 weeks, 3 sessions a week	Reimers 2018
Yoga	5.2 to 5.5 bpm lower	Weeks to months	Reimers 2018
Interval training (HIIT)	Significant drop after 12 or more weeks in overweight adults, none in shorter programs	12 weeks or more	Batacan 2017
Strength training	No significant effect overall; 2.2 bpm in women only	Weeks to months	Reimers 2018
Slow breathing practice	1.7 bpm lower (patients with heart disease)	2 weeks to 6 months	Zou 2017
Weight loss	9 bpm lower after a median 43 kg loss in obesity	About 10 months	Reddy 2019
Quitting smoking	Smokers at 20 cigarettes a day sit about 7 bpm higher; 0.21 bpm per cigarette per day	Not measured directly	Linneberg 2015
Sleeping more than 6 hours	Short sleepers averaged 3.3 bpm higher	Nightly	Darzi 2026
Cutting evening alcohol	Raises overnight heart rate with the dose, even at low intake	The same night	Pietilä 2018, Sagawa 2011
Caffeine	Small or no effect on resting rate in healthy adults	Hours	Zimmermann-Viehoff 2016, Baur 2024
Hydration	24 hours without fluids raised heart rate	The same day	Pross 2013
Staying cool in heat	0.11 bpm higher per 1 °C of daily mean temperature (older adults)	The same day	Chen 2025

Two things stand out. The first is that training and weight loss are the only levers worth more than a few beats, and they are the slow ones. The second is that the daily levers, sleep, alcohol, heat and hydration, are mostly about removing a penalty: they can hide your real number, but fixing them does not lower it below your trained baseline.

Which Exercise Lowers Resting Heart Rate the Most?

Endurance training. In the Reimers meta-analysis, exercise of all kinds lowered resting heart rate by 3.3 bpm (4.7 percent) more than control groups, but endurance training and yoga were the only two types that worked significantly in both men and women. For endurance training the drop ranged from 2.7 to 5.8 bpm, or 4.5 to 9 percent, depending on the group studied. The same paper summarizes an earlier meta-analysis in older adults where endurance training lowered resting heart rate by 6.2 bpm, with bigger effects in programs longer than 30 weeks.

The mechanism is stroke volume. Aerobic training enlarges the heart's filling capacity and the amount of blood it moves per beat, so it needs fewer beats to cover the same demand at rest. Most of that adaptation comes from easy, steady volume, which is why zone 2 training does most of the work here.

Yoga came out surprisingly well: 5.2 to 5.5 bpm, in the same range as endurance training. The authors attribute part of this to stronger parasympathetic output, the branch of the nervous system that slows the heart. A meta-analysis of slow breathing alone, without the postures, found a smaller but real drop of 1.72 bpm over 2 weeks to 6 months, though in patients with heart disease rather than healthy adults (Zou et al., 2017). Our guide to breathing exercises covers the practical side.

Strength training did not significantly lower resting heart rate in the meta-analysis overall. Split by sex, it was worth 2.2 bpm in women and nothing measurable in men. That is no reason to skip it, but if resting heart rate is your target, lifting is the wrong tool.

Interval vs continuous training

Intervals do lower resting heart rate, but they need time. A meta-analysis of 65 HIIT studies found a significant drop in resting heart rate only in programs of 12 weeks or longer, and only in overweight or obese adults; shorter programs raised VO2 max without moving the resting rate (Batacan et al., 2017). In patients with coronary artery disease, the direct comparison went to continuous training: it lowered resting heart rate by 1.8 bpm more than intervals, while intervals raised VO2 peak by 1.78 mL/kg/min more (Liou et al., 2016).

Read that as a division of labor, not a contest. Steady aerobic work drives the resting number down; hard intervals such as the Norwegian 4x4 drive VO2 max up, and both adaptations come from the same stronger heart. A week with three or four easy sessions and one or two interval sessions covers both. PEAKVO2 runs those sessions on iPhone and Apple Watch with a target heart rate for each phase, so the easy days stay easy and the hard days stay hard.

How Fast Does Resting Heart Rate Drop?

About three months for a change you can trust. The programs in the Reimers meta-analysis lasted a median of 12 weeks, with half of them between 8 and 17 weeks, and the participants completed a median of 36 sessions. The authors describe the effect as appearing after only a few months, on average three months at three sessions a week.

Two factors predicted a bigger drop: a higher starting rate and a younger age. If your resting rate is 80 and you have never trained, expect more than the average; if it is already 55, expect less. Longer helps too, as the older-adult data above show for programs past 30 weeks.

A good result over a training block is a drop of 5 to 10 bpm, which is the same range given in our resting heart rate guide. Morning-to-morning swings of 3 to 5 bpm are normal noise, which is why the measuring method below uses a weekly average.

Why Does a Lower Resting Heart Rate Matter?

Because the number tracks risk in a graded way, independently of the usual factors. Three large analyses agree:

A meta-analysis of 46 prospective studies covering 1,246,203 people found that each 10 bpm increase in resting heart rate was associated with 9 percent higher all-cause mortality, and people above 80 bpm had 45 percent higher risk than the lowest group (Zhang et al., 2016).
A dose-response meta-analysis of 87 studies found per 10 bpm a 15 percent higher risk of cardiovascular disease, 18 percent for heart failure and 7 percent for coronary heart disease (Aune et al., 2017).
The Copenhagen Male Study followed 2,798 healthy men for 16 years, with 1,082 deaths. After adjusting for measured fitness (VO2 max from a bike test), physical activity and the conventional risk factors, mortality still rose 16 percent per 10 bpm, and men above 90 bpm had three times the risk of men at 50 or below (Jensen et al., 2013).

The Copenhagen result is the important one: resting heart rate carried risk information even after fitness was accounted for, so it is more than a proxy for being fit. One caveat belongs here. These are observational associations, and no trial has shown that lowering resting heart rate through training lowers mortality by itself. Reimers and colleagues put it carefully: the drop may contribute to the lower mortality seen in people who exercise.

Why Is My Resting Heart Rate Suddenly High?

A rise of several beats over one or two mornings almost always has a short-term cause. The common ones, with what the research shows:

Alcohol the evening before. In 4,098 Finnish employees wearing heart rate monitors, alcohol raised sympathetic activity and cut parasympathetic activity during the first three hours of sleep in a dose-dependent way, and the effect was measurable even at low intake (Pietilä et al., 2018). In a controlled study, heart rate during sleep rose with each dose (Sagawa et al., 2011). Being fit or young did not protect against it.
Short sleep. In a smartwatch study of 336 matched adults, those averaging 6 hours or less had a resting heart rate of 61.0 bpm against 57.7 bpm in longer sleepers (Darzi et al., 2026). Five nights of under 5 hours in a lab shifted the nervous system toward sympathetic dominance and raised stress hormone levels (Dettoni et al., 2012).
Illness. An infection raises resting heart rate before symptoms are obvious. Among 47,249 Fitbit users, weekly shifts in the share of people with an elevated resting rate and more sleep tracked state-level flu rates with correlations of 0.84 to 0.97 (Radin et al., 2020). If your number jumps for no reason, treat it as an early warning and train easy.
Heat. In 83 older adults wearing Garmin watches, each 1 °C rise in daily mean temperature added 0.11 bpm to resting heart rate; a cooler bedroom, extra water and more sleep each softened the effect (Chen et al., 2025).
Dehydration. 24 hours without fluids raised heart rate in healthy women, alongside fatigue and sleepiness (Pross et al., 2013).
Hard training the day before. Heart rate can stay elevated for a day after a big session; our guide on heart rate elevated after exercise explains what is normal.
Caffeine, less than you think. In 77 healthy adults, espresso produced no specific short-term change in vagal activity, and only non-habitual drinkers saw a blood pressure rise (Zimmermann-Viehoff et al., 2016). Caffeine at bedtime even lowered heart rate during deep sleep by 3.2 bpm in one study (Baur et al., 2024). Measure before your coffee anyway, to keep conditions constant.

A rate that stays high for several consecutive mornings during a heavy training block, with heart rate variability suppressed at the same time, is one of the earliest overtraining signs. Slow heart rate recovery after intervals usually appears alongside it.

When Is a Low Resting Heart Rate Too Low?

Rarely, in a trained person who feels well. A resting rate in the 40s is a normal adaptation for endurance athletes, whose hearts move more blood per beat. The 2018 ACC/AHA/HRS bradycardia guideline treats a slow rate as a problem when it produces symptoms, not when it merely sits below a threshold (Kusumoto et al., 2019).

See a doctor if:

a low rate comes with dizziness, fainting, breathlessness or unusual fatigue
your rate is below 50 and you do not train for endurance
your rate changes sharply without a change in training, illness or medication
your watch flags an irregular rhythm, or your rate stays above 100 at rest without an obvious cause

The same list applies if your number is low because of a medication such as a beta blocker. A low rate from a pill is not the same as one from training, and the person who prescribed it is the one to ask.

How to Measure Resting Heart Rate Correctly

The number only means something if the conditions are the same every time.

Morning, before getting up. Before caffeine, before standing, before reading the news.
Count 30 seconds and double it, at the wrist or neck, or read your watch's overnight resting value.
Keep one method. A manual morning count and a watch's overnight minimum are different numbers. Pick one and stay with it.
Use a 7-day average. One morning is noise; a week is a trend. Judge training blocks on weekly averages, not single readings.
Log what happened the night before. Alcohol, short sleep, illness and heat explain most spikes, and a note saves you from reacting to them.

Wrist watches are good enough for this job. Over a 24-hour comparison against an ECG, an Apple Watch read 1.8 bpm low on average and a Fitbit 3.5 bpm low (Nelson and Allen, 2019), in a single-subject study. A consistent small offset does not matter when you are tracking your own trend. Once you have a reliable resting number, it also feeds your target heart rate calculator, because the Karvonen method sets training zones from the gap between resting and maximum.

Train the number down, one session at a time

PEAKVO2 guides the easy zone sessions and Norwegian 4x4 intervals that lower resting heart rate and raise VO2 max, on iPhone and Apple Watch, with a target heart rate for every phase and your progress tracked over time.

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Frequently Asked Questions

How can I lower my resting heart rate fast?

Remove what pushes it up: evening alcohol, short sleep, dehydration and heat all raise the next morning's number and reverse within a day or two. A lasting drop takes endurance training, about 3 to 6 bpm over a typical 12-week program.

How much does exercise lower resting heart rate?

Across 191 controlled studies, 3.3 bpm on average versus non-exercisers. Endurance training was worth 2.7 to 5.8 bpm, yoga about 5 bpm, strength training nothing significant. People who start high drop the most.

Does HIIT lower resting heart rate?

Yes, after 12 or more weeks. Shorter HIIT programs raised VO2 max without moving the resting rate, and in cardiac patients continuous training lowered it 1.8 bpm more than intervals. Use both: steady work for the resting number, intervals for VO2 max.

Does yoga lower resting heart rate?

Yes, by about 5.2 to 5.5 bpm in the largest meta-analysis, about the same as endurance training. Slow breathing alone was worth 1.7 bpm.

How long does it take to lower resting heart rate?

About three months. The studied programs ran a median of 12 weeks at three sessions a week, and longer programs produced bigger drops in older adults.

Why is my resting heart rate high even though I exercise?

A short-term cause: alcohol, sleep of 6 hours or less, heat, dehydration, an infection, or yesterday's hard session. Several high mornings in a row during heavy training point to overtraining.

Can resting heart rate be too low?

In a fit person who feels well, a rate in the 40s is normal. See a doctor if it comes with dizziness, fainting, breathlessness or fatigue, if it is below 50 without endurance training, or if it changes sharply for no reason.

References

Reimers AK, Knapp G, Reimers CD. Effects of exercise on the resting heart rate: a systematic review and meta-analysis of interventional studies. J Clin Med. 2018;7(12):503. PubMed
Batacan RB Jr, Duncan MJ, Dalbo VJ, Tucker PS, Fenning AS. Effects of high-intensity interval training on cardiometabolic health: a systematic review and meta-analysis of intervention studies. Br J Sports Med. 2017;51(6):494-503. PubMed
Liou K, Ho S, Fildes J, Ooi SY. High intensity interval versus moderate intensity continuous training in patients with coronary artery disease: a meta-analysis of physiological and clinical parameters. Heart Lung Circ. 2016;25(2):166-174. PubMed
Zou Y, Zhao X, Hou YY, et al. Meta-analysis of effects of voluntary slow breathing exercises for control of heart rate and blood pressure in patients with cardiovascular diseases. Am J Cardiol. 2017;120(1):148-153. PubMed
Reddy YNV, Anantha-Narayanan M, Obokata M, et al. Hemodynamic effects of weight loss in obesity: a systematic review and meta-analysis. JACC Heart Fail. 2019;7(8):678-687. PubMed
Linneberg A, Jacobsen RK, Skaaby T, et al. Effect of smoking on blood pressure and resting heart rate: a Mendelian randomization meta-analysis in the CARTA consortium. Circ Cardiovasc Genet. 2015;8(6):832-841. PubMed
Zhang D, Shen X, Qi X. Resting heart rate and all-cause and cardiovascular mortality in the general population: a meta-analysis. CMAJ. 2016;188(3):E53-E63. PubMed
Aune D, Sen A, ó'Hartaigh B, et al. Resting heart rate and the risk of cardiovascular disease, total cancer, and all-cause mortality: a systematic review and dose-response meta-analysis of prospective studies. Nutr Metab Cardiovasc Dis. 2017;27(6):504-517. PubMed
Jensen MT, Suadicani P, Hein HO, Gyntelberg F. Elevated resting heart rate, physical fitness and all-cause mortality: a 16-year follow-up in the Copenhagen Male Study. Heart. 2013;99(12):882-887. PubMed
Pietilä J, Helander E, Korhonen I, Myllymäki T, Kujala UM, Lindholm H. Acute effect of alcohol intake on cardiovascular autonomic regulation during the first hours of sleep in a large real-world sample of Finnish employees: observational study. JMIR Ment Health. 2018;5(1):e23. PubMed
Sagawa Y, Kondo H, Matsubuchi N, et al. Alcohol has a dose-related effect on parasympathetic nerve activity during sleep. Alcohol Clin Exp Res. 2011;35(11):2093-2100. PubMed
Darzi AE, Khoury CE, Massad CM, et al. Short sleep duration measured by smartwatch is associated with elevated resting heart rate and reduced nocturnal oxygen saturation: insights from HEARTBEAT. J Cardiovasc Electrophysiol. 2026;37(7):1514-1521. PubMed
Dettoni JL, Consolim-Colombo FM, Drager LF, et al. Cardiovascular effects of partial sleep deprivation in healthy volunteers. J Appl Physiol. 2012;113(2):232-236. PubMed
Radin JM, Wineinger NE, Topol EJ, Steinhubl SR. Harnessing wearable device data to improve state-level real-time surveillance of influenza-like illness in the USA: a population-based study. Lancet Digit Health. 2020;2(2):e85-e93. PubMed
Chen CH, Lai F, Chen YL, Guo YL. Effects of heat adaptation behaviors on resting heart rate response to summer temperatures in older adults: wearable device panel study. JMIR Mhealth Uhealth. 2025;13:e67721. PubMed
Pross N, Demazières A, Girard N, et al. Influence of progressive fluid restriction on mood and physiological markers of dehydration in women. Br J Nutr. 2013;109(2):313-321. PubMed
Zimmermann-Viehoff F, Thayer J, Koenig J, Herrmann C, Weber CS, Deter HC. Short-term effects of espresso coffee on heart rate variability and blood pressure in habitual and non-habitual coffee consumers: a randomized crossover study. Nutr Neurosci. 2016;19(4):169-175. PubMed
Baur DM, Dornbierer DA, Landolt HP. Concentration-effect relationships of plasma caffeine on EEG delta power and cardiac autonomic activity during human sleep. J Sleep Res. 2024;33(5):e14140. PubMed
Kusumoto FM, Schoenfeld MH, Barrett C, et al. 2018 ACC/AHA/HRS guideline on the evaluation and management of patients with bradycardia and cardiac conduction delay. J Am Coll Cardiol. 2019;74(7):e51-e156. PubMed
Nelson BW, Allen NB. Accuracy of consumer wearable heart rate measurement during an ecologically valid 24-hour period: intraindividual validation study. JMIR Mhealth Uhealth. 2019;7(3):e10828. PubMed

Cristian Serb

I'm the developer of PEAKVO2. I built it because I was doing the Norwegian 4x4 myself and wanted the timing handled on my wrist so I could just train. I took my own VO2 max from about 41 to 51 with it. PEAKVO2 on the App Store.