Why do I forget to breathe?

You're three hours into a focused work block. You catch yourself mid-sentence, suddenly aware that your shoulders are at your ears, your jaw is locked, and you can't actually remember the last full breath you took. You inhale sharply, almost gasp. What was that?

That moment has a name. Linda Stone, a former Apple and Microsoft researcher, called it email apnea — and later, more broadly, screen apnea — after she noticed in 2007 that she was holding her breath while answering emails. She spent seven months observing other people doing the same thing, monitoring their heart rates while they worked. In her informal observations, roughly 80% of the people she tested appeared to hold their breath or breathe shallowly while using screens. [1]

"A temporary cessation of breath or shallow breathing while working — or playing — in front of screens."

Linda Stone, on the working definition of screen apnea

The 20% who didn't have it weren't extraordinary humans. They were, almost without exception, people whose work or hobby had taught them how to breathe: dancers, singers, musicians, professional athletes, a test pilot. [2]

You don't forget — you stop noticing

Breathing is one of the few bodily functions that runs on both autopilot and manual override. Your brainstem will keep you alive while you sleep. But it will also let your conscious mind hijack the rhythm — and a hijacked rhythm is what gets you into trouble.

When you concentrate hard on something — a tricky email, a piece of code, a difficult conversation — focused attention can shift breathing away from its easy background rhythm. During demanding tasks, many people breathe less fully, hold their breath briefly, or move into a shallower upper-chest pattern.

There's a reason for it. A brief breath hold stiffens the torso, raises intra-abdominal pressure, and improves postural stability — useful when you're threading a needle, taking a shot, or about to lift something heavy. The problem is that your nervous system can't tell the difference between threading a needle and reading a Slack notification. It just sees: focused task, stay still, hold.

Meet the stress response that never turns off

Layered on top of "concentration apnea" is the plain old stress response. When something feels even mildly threatening — an unread inbox, a deadline, a passive-aggressive comment — your sympathetic nervous system flips on. Heart rate climbs. Pupils dilate. And your breathing gets fast, shallow, and chest-led, with very little contribution from the diaphragm. [3]

This is supposed to be a short visit. Threat appears, body mobilizes, threat passes, body returns to baseline. The problem with modern life is that the threat never quite passes. The inbox refills. The notifications keep arriving. So the "altered" stress pattern stops being altered — it becomes your baseline breathing pattern. Researchers call this a dysfunctional breathing pattern: shallow, upper-chest, often with a low-grade sense of breathlessness even at rest. [4]

The hidden cost

Cumulative shallow breathing isn't a small thing. NIH researchers Dr. Margaret Chesney and Dr. David Anderson found that habitual breath-holding correlates with stress-related illness — bodily acid balance shifts, the kidneys reabsorb sodium, and the equilibrium between oxygen, carbon dioxide, and nitric oxide gets disturbed. They also found a clear link between prolonged stress, inhibited breathing, and hypertension. [1]

Linda Stone's reporting points further: cumulative breath-holding has been associated with disruptions in immune function, learning, memory, cognition, sleep, weight regulation, pain perception, and inflammation. [1] You can think of it as a tiny tax on your physiology, paid in nickels and dimes, every minute you're locked into a screen.

On the flip side, the research on diaphragmatic breathing is unusually consistent. In healthy adults, slow, belly-led breathing has been linked to improvements in vagal tone, sustained attention, and emotional regulation, with reductions in self-reported stress and cortisol response. [5] Same body. Same lungs. Different software.

Why screens, specifically, make it worse

It isn't only the cognitive load. The way you sit at a screen matters. A 2018 study found that even small changes in head and neck position immediately impact respiratory function — and the classic forward-head, rounded-shoulder posture you fall into while staring at a monitor or phone is associated with shallower, more chest-led breathing. [4]

So you have a stack: a stress response that never fully resolves, a focused task that suppresses background breath-control, and a posture that physically restricts the diaphragm. Together they don't just shorten one breath. They retrain the whole system. Repeat for years and the body genuinely forgets what an easy, full breath feels like — even when you're sitting on the couch with nothing to do.

How to undo it

The good news is that breathing is one of the few autonomic systems you can actively retrain. The body responds quickly. Most people can feel the difference inside the first minute.

1. Catch the pattern, don't fix it

A few times a day — leaving a meeting, finishing an email, locking the laptop — pause for two seconds and notice three things: your shoulders (are they up?), your jaw (is it clenched?), and your belly (is it moving?). You're not trying to "breathe correctly." You're just installing a checkpoint where there wasn't one.

2. Re-teach the diaphragm

Lie on your back. One hand on the chest, one on the belly. Breathe in slowly through the nose for a count of four — letting only the belly hand rise. Pause for a beat. Exhale gently through pursed lips for a count of six. Two minutes a day. This is not a meditation. It's a motor pattern, like remembering how to ride a bike.

3. Run a structured pattern

One of the best-supported quick resets is cyclic sighing. In a 2023 Stanford controlled trial (Balban et al., Cell Reports Medicine), five minutes of cyclic sighing daily improved mood and reduced respiratory rate more than mindfulness meditation, box breathing, or cyclic hyperventilation over the four-week study. [6] The shape: two short nasal inhales, then one long mouth exhale.

If you're tense and don't know where to start, this is the one. If you specifically want to wind down for sleep, the extended-exhale 4-7-8 pattern from Dr. Andrew Weil tends to work better. If you need decision-making clarity in a stressful moment, box breathing (4-4-4-4) is what Navy SEALs run for the same reason. Same body. Different patterns. Different outcomes.

The cheat code's been in you the whole time

Your ancestors used breath the way you'd use a tool. One pattern to track an animal across a long, quiet morning. Another to fight. Another to come down off the kill, sleep through the night, recover from the injury. The wiring is still in you. It didn't go anywhere. It just stopped getting used.

Modern life broke the loop in a specific way. You sit hunched for ten hours. You breathe shallow, often through your mouth. You hold your breath every time a notification fires. And then you wonder why you're anxious, foggy, exhausted, and can't sit still without reaching for your phone. It isn't a mystery. Your breathing pattern has adapted to the way you work.

Here's the part almost nobody connects out loud: many of the everyday problems people quietly try to fix — poor sleep, anxiety, low focus, afternoon energy crashes — tend to get worse when the nervous system rarely gets to downshift. And the fastest, freest, most ancient way to change your nervous system in real time is the breath you're already taking. You don't need supplements. You don't need a coach. You don't need a $400 wearable. You need three or four patterns, and the muscle memory to pull the right one in the right moment.

Anxious before a meeting? One pattern. Can't sleep? Different pattern. Need energy without caffeine? Another. Heartbroken at 2am? Another. Same body. Different software.

BreathFly is a training app

It isn't a content app. It isn't a meditation app. There's no library of soothing audio to scroll, no streak shame, no charismatic narrator. BreathFly is a training app — the boring, useful kind — built around a single loop:

1. Pick a goal. Sleep better. Less anxious. More focus. More energy. Recover faster.
2. Get the right pattern. Every one is research-cited — Stanford, Navy SEAL training, Dr. Andrew Weil, HRV literature — so you're never guessing whether a technique is real.
3. Set a reminder for the moment you actually need it. Getting into bed. Before work. The 3pm slump. Tap the notification, breathe for two minutes, close it.

Then the interesting part starts. With repetition in a stable context, the pattern starts to wire in. You stop needing the reminder. You don't decide to slow your breath before bed — your body just does it. You don't remember to exhale long when you're stressed — it's automatic. The skill drifts toward autopilot, and the thing you downloaded the app to fix gets quietly handled.

The "wires in" idea isn't just product copy — it's how habits actually form. In a 2010 University College London study, Lally and colleagues tracked 96 people performing a chosen daily behavior in a stable context and watched subjective automaticity climb along a smooth curve, plateauing at a median of 66 days. Individuals varied widely — anywhere from 18 to 254 days — which is why we don't put a fixed deadline on graduation. [7]

Breath has a structural edge in this loop. It is one of the very few physiological systems that's both automatic and voluntary at once, which means a deliberately practiced pattern has a real lane to slip into your default control rather than staying a conscious task. Longer-term slow-breathing research has linked sustained practice to lasting shifts in resting respiratory rate, parasympathetic tone, and baroreflex sensitivity. [8]

That's the part that surprises people. BreathFly isn't an app you use forever for the same reason. It's an app that graduates you, one problem at a time. You sort sleep first. Then you point it at focus. Then anxiety. Then recovery. Eventually you only reach for it when life gets weird.

People will think you're built different. You're not. You just breathe different.

The cheat code's been in your body since the day you were born. BreathFly just helps you remember how to use it — one pattern at a time.

Sources

1. Linda Stone. Are You Breathing? Do You Have Email Apnea? — lindastone.net (term coined 2007; informal study covering ~80% prevalence; references to NIH research by Drs. Margaret Chesney and David Anderson).
2. Email apnea — Wikipedia. Summary of Stone's research and the cohort of trained breathers (athletes, musicians, pilots) who don't show the pattern — en.wikipedia.org/wiki/Email_apnea.
3. Better Health Channel (Vic. Department of Health). Breathing to reduce stress. Stress-pattern breathing as fast, shallow, upper-chest, with little diaphragmatic contribution — betterhealth.vic.gov.au.
4. Vidotto, L. S., et al. Dysfunctional breathing: a review of the literature and proposal for classification. PMC — pmc.ncbi.nlm.nih.gov/PMC9487208. See also: posture studies on forward head position and immediate respiratory effects.
5. Hamasaki, H. Effects of Diaphragmatic Breathing on Health: A Narrative Review. Medicines (PMC) — pmc.ncbi.nlm.nih.gov/PMC7602530. And: Ma, X. et al. The Effect of Diaphragmatic Breathing on Attention, Negative Affect and Stress in Healthy Adults. — PMC5455070.
6. Balban, M. Y., et al. (2023). Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine. Stanford-led randomized controlled trial showing 5 min/day cyclic sighing outperformed mindfulness meditation, box breathing, and cyclic hyperventilation for mood improvement and respiratory rate reduction over the four-week study — pubmed.ncbi.nlm.nih.gov/36630953.
7. Lally, P., van Jaarsveld, C. H. M., Potts, H. W. W., & Wardle, J. (2010). How are habits formed: Modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998–1009 — onlinelibrary.wiley.com/10.1002/ejsp.674. UCL study of 96 participants; subjective automaticity for a chosen daily behavior plateaued at a median of 66 days, with individual variation from 18 to 254 days.
8. Zaccaro, A., Piarulli, A., Laurino, M., et al. (2018). How Breath-Control Can Change Your Life: A Systematic Review on Psycho-Physiological Correlates of Slow Breathing. Frontiers in Human Neuroscience, 12:353 — frontiersin.org. Systematic review covering breath as a uniquely dual (automatic + voluntary) system and longitudinal links between slow breathing and parasympathetic tone, HRV, and baroreflex sensitivity.