Breathing exercises are free, take a minute or two, and work anywhere. The research behind them is smaller and messier than most articles admit, but a few techniques have reasonable evidence for short-term calming, and most are low-risk for healthy adults.
Below are 10 techniques, each with exact counts, how long to practice, what the studies found, who should skip it, and a link to a free guided timer or reference page.
Pick a technique by goal
| Your goal | Try this | Time | Open it |
|---|---|---|---|
| Calm down fast | Cyclic sighing (double inhale, long exhale) | 1–5 min | Cyclic sighing timer |
| Fall asleep | 4-7-8 breathing, or slow breathing with a long exhale | 2–5 min, lying down | 4-7-8 timer · 4-7-8 reference |
| Focus | Box breathing | 2–5 min | Box breathing timer · Box breath reference |
| Energize | Three-part breath, sitting tall (bellows breath only if you have no health cautions) | 2–3 min | Three-part breath · Bellows breath |
| Before a hard conversation | Box breathing with short counts, or 2–3 cyclic sighs | 1–2 min | Box breathing timer |
| During a panic moment | Slow breathing with a long exhale, no breath holds | Until your breathing settles | Longer-exhale timer (4 in, 6 out) |
Each timer opens on its technique's usual counts, with easier and slower patterns one tap away. More on that below.
Before you start: three rules
- Breathe gently. "Slow" does not mean "big." Lightheadedness, tingling in the hands or around the mouth, and hand muscle spasms are signs of over-breathing (hyperventilation) [9].
- Stop if you feel dizzy, tingly, short of breath or panicky. Return to quiet nose breathing; next time use shorter counts.
- Sit or lie down for breath holds or fast breathing. Beginners may feel "a little bit of lightheadedness or shortness of breath" with 4-7-8 [7].
Talk to your doctor before breath holding or fast, forceful breathing if you:
- are pregnant
- have high blood pressure that is not under control, or a heart condition
- have epilepsy (over-breathing is a well-known seizure trigger in absence epilepsy; it is used on purpose during EEG testing to help diagnose it) [10]
- have panic disorder, especially if you tend to over-breathe (about half of people with panic disorder have hyperventilation syndrome) [9]
- have had recent surgery, particularly on your chest, abdomen or eyes
NCCIH says relaxation techniques are generally considered safe for healthy people, but notes rare reports of worsened symptoms in people with epilepsy, certain psychiatric conditions, or a history of abuse or trauma [4]. It also advises people new to yoga to avoid "forceful breathing," and lists severe high blood pressure among conditions that may call for modifications [5].
The techniques
1. Box breathing (square breathing)
What it is: Four equal steps: inhale, hold, exhale, hold. Also called 4×4 or square breathing, and sama vritti in yoga [8].
How to do it:
- Breathe out slowly to empty your lungs.
- Inhale through your nose for 4.
- Hold for 4.
- Exhale for 4.
- Hold for 4. That is one "box." Repeat.
How long: Cleveland Clinic suggests 3–4 rounds, once or twice a day [8]. For focus, 2–5 minutes is plenty. If 4 counts feel like a strain, use 3. Cleveland Clinic's advice: "Stay at your comfort level... breathing very gently and not straining" [8].
What the evidence shows: Less than its popularity suggests. In a 2023 Stanford study (108 adults, 5 minutes a day for a month), the box breathing group improved, but not significantly more than a mindfulness meditation group [1]. Counting gives your mind a job, which may be part of why it feels steadying.
Skip or shorten it if: breath holds make you anxious, or any of the cautions above apply. Drop the holds to 1–2 seconds or set them to 0.
Try it: Box breathing timer (4-4-4-4, or 3-3-3-3 and no holds) · Box breath reference page
2. 4-7-8 breathing
What it is: Inhale 4, hold 7, exhale 8. Popularized by Dr. Andrew Weil, with roots in yogic breathing [7].
How to do it:
- Rest the tip of your tongue just behind your upper front teeth.
- Breathe out fully through your mouth with a soft "whoosh."
- Close your mouth and inhale quietly through your nose for 4.
- Hold gently for 7. Don't strain.
- Exhale through your mouth for 8.
- Repeat for 3 more cycles (4 total) [7].
How long: Start with 4 cycles, which takes about a minute. The ratio matters more than the exact seconds, so if a 7-second hold is too long, use 2-3.5-4.
What the evidence shows: Limited. In a 2022 lab study of 43 healthy young adults (three sets of six cycles, lying down), heart rate and systolic blood pressure dropped right afterward [6]. It measured immediate effects only, not sleep. NCCIH says relaxation techniques on their own "don't seem to be especially promising" for insomnia and points to cognitive behavioral therapy for insomnia (CBT-I) first [4]. Treat 4-7-8 as a wind-down habit, not a sleep treatment.
Skip it if: you are in a panic moment (long holds can feel like air hunger) or any of the cautions above apply.
Try it: 4-7-8 timer (4-7-8, or 2-3.5-4) · 4-7-8 reference page
3. Cyclic sighing (physiological sigh)
What it is: A double inhale through the nose (one full breath, then a short top-up sip) followed by a long, slow exhale through the mouth. It copies the natural sigh your body does on its own.
How to do it:
- Inhale through your nose until your lungs feel comfortably full.
- Without exhaling, take a second short sip of air through your nose.
- Exhale slowly through your mouth until your lungs feel empty.
- Repeat at a relaxed pace. The exhale should be the longest part.
How long: The study used 5 minutes a day [1]. In a stressful moment, 2–3 sighs can be enough to notice a shift.
What the evidence shows: The best single-study support on this page, though still one study. In the Stanford trial (Balban et al., 2023), cyclic sighing was the only technique that raised positive mood significantly more than mindfulness meditation over 28 days, and it lowered daily respiratory rate more than meditation. Anxiety fell in every group, with no difference between them. The authors call the study exploratory: it was small, fully remote and lasted four weeks [1].
Skip it if: you feel lightheaded. Slow down and make the inhales smaller.
Try it: Cyclic sighing timer: in for 2, a 1-second sip, out for 6, with the voice calling each part.
4. Slow breathing / resonance breathing (about 6 breaths per minute)
What it is: Simply breathing slower than usual, about one breath every 10 seconds. Most adults breathe 9 to 24 times a minute at rest [2]. A slightly longer exhale than inhale (for example 4 in, 6 out) is a common variation.
How to do it:
- Sit or lie comfortably. Breathe through your nose if you can.
- Inhale gently for 4 (or 5).
- Exhale gently for 6 (or 5).
- No holds. Keep the breath small and smooth.
How long: 5–10 minutes. Harvard Health suggests 5 to 10 minutes of belly breathing several times a day [14].
What the evidence shows: Fairly consistent for short-term body changes, less certain long term. Heart rate rises slightly on each inhale and falls on each exhale; at about 6 breaths per minute these swings get much bigger, the basis of heart rate variability (HRV) biofeedback [2]. A systematic review found slow breathing increases HRV and is linked with more comfort and relaxation, but the studies varied widely and none were randomized long-term trials [3]. NCCIH reports a 2019 review in which slow breathing "led to a modest reduction in blood pressure," from short studies of varying quality; if you have high blood pressure, keep following your treatment plan [4].
Skip it if: you feel air hungry. Shorten both counts (3 in, 4 out).
Try it: Longer-exhale timer (4 in, 6 out: exactly 6 breaths a minute) · Coherent breathing timer (5.5 in, 5.5 out)
5. Alternate nostril breathing (nadi shodhana)
What it is: A yoga technique where you breathe in through one nostril and out through the other, switching sides with your hand.
How to do it:
- Sit tall. Rest your left hand in your lap.
- Close your right nostril with your right thumb. Inhale through the left for 4.
- Close the left nostril with your ring finger, release the thumb, and exhale through the right for 4 (or 6).
- Inhale through the right for 4.
- Close the right, open the left, exhale through the left. That is one round.
How long: 3–5 minutes. Keep it slow and quiet; no holds needed.
What the evidence shows: Mixed and small. In a randomized pilot study of 30 medical students, 15 minutes of alternate nostril breathing before a public-speaking test gave lower anxiety scores than sitting quietly, but only as a non-significant trend [11]. In a 2023 trial of 100 people with high blood pressure, one 20-minute session lowered blood pressure right afterward, but with no non-breathing control group [12].
Skip it if: your nose is blocked. Do slow breathing instead.
Try it: Figure-8 timer on "In 4, out 4": switch nostrils each time the dot crosses the middle · Alternate nostril reference page
6. Bee breath (bhramari)
What it is: A long exhale through the nose while humming, like a bee. Some traditions also cover the ears.
How to do it:
- Sit comfortably and close your eyes.
- Inhale through your nose for about 4.
- Keep your mouth closed and exhale slowly through your nose while making a steady, low "mmm" hum for 6–8.
- Optional: gently press the small flap at the front of each ear closed to feel the vibration more.
How long: 5–10 rounds, or about 2–5 minutes.
What the evidence shows: Small studies, mostly without proper controls. In the same 2023 trial, a 20-minute session lowered blood pressure right afterward, again with no non-breathing control [12]. The hum builds in a long exhale, which likely explains much of the calming feel.
Skip it if: you have ear pain or an ear infection (at least skip closing the ears).
Try it: Longer-exhale timer on "In 4, out 8": hum through the whole exhale · Bee breath reference page
7. Ocean breath (ujjayi)
What it is: Nose breathing with the back of the throat slightly narrowed, so the breath makes a soft "ocean" sound. Common in vinyasa and ashtanga classes.
How to do it:
- Breathe out through your mouth as if fogging a mirror ("haaa") and notice the throat narrowing.
- Keep that light narrowing, close your mouth, and breathe through your nose, about 4–5 counts in and out.
How long: 3–5 minutes seated, or throughout a yoga practice.
What the evidence shows: Very little direct research. Its practical value is that the sound helps you keep a slow, even pace.
Skip it if: your throat gets sore or you are straining. Only you should hear the sound.
Try it: Equal breathing timer on "5-5" · Ocean breath reference page
8. Cooling breath (sitali)
What it is: Inhaling through a rolled tongue (or through the teeth if you cannot roll your tongue, a variation called sitkari), then exhaling through the nose.
How to do it:
- Roll the sides of your tongue up into a tube and stick it slightly out.
- Inhale slowly through the tongue for 4. You will feel cool air.
- Close your mouth and exhale through your nose for 6.
How long: 1–3 minutes, or 6–10 rounds.
What the evidence shows: Very little quality research. It is a traditional cooling practice; enjoy the sensation, but don't expect proven effects.
Skip it if: the air is very cold, dusty or full of pollen, or you have asthma that is set off by cold air.
Try it: Cooling breath reference page
9. Three-part breath (dirga)
What it is: A slow, full breath that you feel move through three areas: belly, ribs, then upper chest. It builds on diaphragmatic (belly) breathing, which is what many beginners need to learn first.
How to do it:
- Lie on your back or sit tall, one hand on your belly and one on your chest.
- Inhale through your nose, letting your belly rise first, then your ribs widen, then your upper chest lift slightly.
- Exhale slowly in reverse: chest, ribs, belly.
- Keep it soft. Count about 5 in and 5–6 out.
How long: 3–5 minutes.
What the evidence shows: Thin for the yoga version. For diaphragmatic breathing, a small randomized pilot study found 20 coached sessions over 8 weeks lowered salivary cortisol versus no training; the authors note this does not show clinical benefit [13].
Skip it if: you feel lightheaded; make each breath smaller.
Try it: Longer-exhale timer on "In 5, out 7" · Three-part breath reference page
10. Bellows breath (bhastrika): use with caution
What it is: Fast, forceful breathing in and out through the nose, driven by the belly. It feels energizing and carries the most cautions on this page. Skull shining breath (kapalabhati: forceful exhales, passive inhales) has the same cautions.
Why the caution: Fast, forceful breathing can tip you into over-breathing (dizziness, tingling, racing heart) [9], which can trigger seizures in some people with epilepsy [10]. NCCIH advises people new to yoga to avoid forceful breathing [5].
Do not do it if: you are pregnant, have uncontrolled high blood pressure, a heart condition, epilepsy, panic disorder, a hernia, or recent surgery, or you are new to breathwork.
If you are healthy and want to try it:
- Sit upright, never standing or lying down.
- Take 10 quick, even breaths in and out through your nose, about one per second, moving the belly.
- Then breathe normally for at least 30 seconds.
- Do no more than 2–3 rounds. Stop right away if you feel dizzy or tingly.
Ideally, learn it from an in-person teacher; NCCIH notes that learning yoga on your own without supervision has been associated with increased risks [5]. A gentler way to energize: three-part breath sitting tall, or a brisk walk.
Read more: Bellows breath reference page · Skull shining breath
Also on the site: Lion's breath, a playful exhale with the tongue out and a "haaa" sound, good for releasing jaw and face tension.
How to use the breathing timers
Our breathing timers are free. Each one is built around one technique and shows the current step ("Breathe in," "Hold," "Breathe out") with a countdown, while a calm voice calls each step and softly counts the seconds.
- Pick a pattern. Each timer starts on the technique's usual counts and offers easier or slower ones, such as 3-3-3-3 or "No holds" for box breathing.
- Pick a length: 1, 3 or 5 minutes, or no limit. The session ends at the end of the round.
- Choose Voice, Tone (a short sound at each step) or Silent, then press Start. The session keeps going if you open another page; a small player at the bottom of the screen pauses or ends it.
| Timer | Pattern | Good for |
|---|---|---|
| Box breathing | 4-4-4-4 | Focus, before a stressful task |
| Triangle breathing | 4-4-4 (one hold) | Box breathing with less holding |
| Equal breathing | 4-4, no holds | A first technique, ocean breath |
| Longer-exhale breathing | 4 in, 6 out | Calming down without breath holds, bee breath |
| Coherent breathing | 5.5 in, 5.5 out | A daily 5–10 minute slow-breathing habit |
| Cyclic sighing | In 2 + sip 1, out 6 | Calming down fast |
| 4-7-8 breathing | 4-7-8 | Winding down at night |
| Figure-8 breathing | 4 in, 4 out around a figure 8 | Something to watch or trace, alternate nostril breathing |
| Flower breathing for kids | Smell the flower 3, blow out the candle 4 | Children |
The pranayama calculator
The pranayama calculator works out timings for the traditional 1 : 4 : 2 ratio (inhale : hold : exhale) used in breath retention (kumbhaka). Type any one number and it fills in the other two plus the length of one cycle. A 4-second inhale, for example, gives a 16-second hold and an 8-second exhale.
Be careful with the defaults: it starts at 8 : 32 : 16, a 32-second hold. That is an advanced practice. If you are new, use the timers with short holds or none, and learn retention from a qualified teacher only if none of the cautions above apply to you.
A 5-minute daily breathing routine
A simple routine that fits before work, after work or before bed. No holds, so it suits most people. Sit or lie down.
| Time | What to do | Counts | Timer |
|---|---|---|---|
| 0:00–1:00 | Settle. Breathe normally through your nose. Put one hand on your belly and notice it rise and fall. | Your natural pace | None |
| 1:00–2:30 | Cyclic sighing. Two inhales through the nose, one long exhale through the mouth. | About 3 in / 6 out | Cyclic sighing |
| 2:30–4:30 | Slow breathing. Small, soft breaths, longer exhale. | 4 in / 6 out (6 breaths a minute) | Longer-exhale breathing |
| 4:30–5:00 | Let go. Stop counting and breathe naturally. Notice how you feel. | Natural | None |
Swap the middle block for box breathing when you want focus, or bee breath in the evening. A short routine most days is closer to what the cyclic sighing study tested (5 minutes a day) than an occasional long session [1].
When breathing exercises are not enough: If stress, anxiety, panic attacks or poor sleep affect your daily life, see a health care provider. Breathing exercises can go alongside treatment, not replace it [4].
Keep going
- What is pranayama?
- Mindfulness of breath, a meditation built on simply watching the breath
- Yoga for better sleep: poses and breathing techniques to wind down
- Breathwork and stillness: techniques that deepen home meditation
- How we write and check our content
Sources
- Balban MY, Neri E, Kogon MM, et al. Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine. 2023;4(1):100895. https://pmc.ncbi.nlm.nih.gov/articles/PMC9873947/ (opens in a new tab)
- Lehrer PM, Gevirtz R. Heart rate variability biofeedback: how and why does it work? Frontiers in Psychology. 2014;5:756. https://pmc.ncbi.nlm.nih.gov/articles/PMC4104929/ (opens in a new tab)
- Zaccaro A, Piarulli A, Laurino M, et al. How breath-control can change your life: a systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience. 2018;12:353. https://pmc.ncbi.nlm.nih.gov/articles/PMC6137615/ (opens in a new tab)
- National Center for Complementary and Integrative Health (NCCIH). Relaxation techniques: what you need to know. https://www.nccih.nih.gov/health/relaxation-techniques-what-you-need-to-know (opens in a new tab)
- NCCIH. Yoga: effectiveness and safety. https://www.nccih.nih.gov/health/yoga-effectiveness-and-safety (opens in a new tab)
- Vierra J, Boonla O, Prasertsri P. Effects of sleep deprivation and 4-7-8 breathing control on heart rate variability, blood pressure, blood glucose, and endothelial function in healthy young adults. Physiological Reports. 2022;10(13):e15389. https://pmc.ncbi.nlm.nih.gov/articles/PMC9277512/ (opens in a new tab)
- Cleveland Clinic. How to do the 4-7-8 breathing exercise. https://health.clevelandclinic.org/4-7-8-breathing (opens in a new tab)
- Cleveland Clinic. How box breathing can help you destress. https://health.clevelandclinic.org/box-breathing-benefits (opens in a new tab)
- Cleveland Clinic. Hyperventilation syndrome. https://my.clevelandclinic.org/health/diseases/24860-hyperventilation-syndrome (opens in a new tab)
- Salvati KA, Souza GMPR, Lu AC, et al. Respiratory alkalosis provokes spike-wave discharges in seizure-prone rats. eLife. 2022;11:e72898. (Introduction summarizes human data on hyperventilation as a trigger in childhood absence epilepsy.) https://pmc.ncbi.nlm.nih.gov/articles/PMC8860449/ (opens in a new tab)
- Kamath A, Urval RP, Shenoy AK. Effect of alternate nostril breathing exercise on experimentally induced anxiety in healthy volunteers using the simulated public speaking model: a randomized controlled pilot study. BioMed Research International. 2017;2017:2450670. https://pmc.ncbi.nlm.nih.gov/articles/PMC5660749/ (opens in a new tab)
- Upadhyay J, Nandish NS, Shetty S, et al. Effects of Nadishodhana and Bhramari Pranayama on heart rate variability, auditory reaction time, and blood pressure: a randomized clinical trial in hypertensive patients. Journal of Ayurveda and Integrative Medicine. 2023;14(4):100774. https://pmc.ncbi.nlm.nih.gov/articles/PMC10388195/ (opens in a new tab)
- Ma X, Yue ZQ, Gong ZQ, et al. The effect of diaphragmatic breathing on attention, negative affect and stress in healthy adults. Frontiers in Psychology. 2017;8:874. https://pmc.ncbi.nlm.nih.gov/articles/PMC5455070/ (opens in a new tab)
- Harvard Health Publishing. Learning diaphragmatic breathing. https://www.health.harvard.edu/healthbeat/learning-diaphragmatic-breathing (opens in a new tab)