Breathing exercises, explained properly.

There are hundreds of named breathing techniques on the internet. Most of them are either variations of a small set of core patterns or branded re-inventions of them. Loam's library focuses on the ones that are backed by real research — every technique in the app links to the peer-reviewed source that validates it, so you can read the study if you want to.

Start here: four techniques worth learning first

If you're new to breathwork, these four cover 90% of everyday use cases. Each has a dedicated guide with the full science, protocol, and when to use it.

The full library — 15 techniques

Inside the Loam app you'll find the full library organized by difficulty tier, with each technique tagged for its best use case (focus, calm, sleep, energize, recovery). Every exercise has configurable durations, animated breathing visualization, and haptic-synced phase transitions so you can practice with your eyes closed.

How breathing actually changes how you feel

The autonomic nervous system has two main branches: the sympathetic ("fight or flight") and the parasympathetic ("rest and digest"). Most of your internal state — heart rate, digestion, pupil dilation, muscle tension — is controlled involuntarily by the balance between these two. You can't directly decide to calm your heart rate. You can't consciously tell your vagus nerve to engage.

But breathing is the one autonomic function you can override. And because breath rate and heart rate are mechanically coupled through respiratory sinus arrhythmia, changing how you breathe changes how your nervous system is tuned. This is measurable with an ECG (Yasuma & Hayano, 2004, Chest).

The key variable in most calming techniques is the ratio of inhale to exhale. Long exhales stimulate the parasympathetic branch via the vagus nerve, slowing the heart. A 2018 review in Frontiers in Human Neuroscience (Zaccaro et al.) summarizes the evidence for slow breathing's effects on autonomic, cerebral, and psychological health. That's why every down-regulating pattern in the library features an exhale longer than the inhale, or a long pause after exhaling.

Common mistakes beginners make

Most people who try breathwork and decide "it doesn't work" are making one of a handful of predictable errors. They're all fixable in a single session.

• Breathing too deeply. The goal of slow breathing is rhythm, not volume. Forcing maximum inhales and exhales tips you into mild hyperventilation, which raises anxiety rather than lowering it. Aim for comfortable, quiet breaths — if a partner next to you couldn't hear it, you're doing it right.
• Breathing through the mouth. Nasal breathing filters, warms, and humidifies air, and produces nitric oxide that improves oxygen uptake. Except for specific techniques like 4-7-8 that use a pursed-lip exhale, default to nose-in, nose-out.
• Chest breathing instead of diaphragmatic. If your shoulders rise on the inhale, the diaphragm isn't fully engaged. Place one hand on your belly and one on your chest — only the belly hand should move much.
• Quitting after one session. A single session of cyclic sighing or box breathing produces a real but short-lived shift. The bigger effects — baseline HRV, stress resilience, sleep quality — come from daily practice over 6–8 weeks. Judge breathwork the way you'd judge strength training, not the way you'd judge caffeine.
• Practicing only when in crisis. If the only time you use breathwork is when you're already dysregulated, you're trying to learn a skill under game-time pressure. Build the habit during calm moments so it's available when you actually need it.

How to build a daily practice

The research on habit formation is consistent: behaviors stick when they're anchored to an existing routine and kept small enough that resistance doesn't build up. For breathwork, that means choosing one technique, attaching it to something you already do every day (first cup of coffee, commute, toothbrush, lights-out), and starting with just three to five minutes.

A reasonable starting protocol: coherent breathing for five minutes every morning for the first two weeks, then extend to ten minutes as the rhythm becomes familiar. Use a physiological sigh whenever stress spikes during the day. Add 4-7-8 at bedtime if sleep onset is a problem. That's three tools covering morning regulation, acute rescue, and sleep — more than enough to demonstrate the effect of breathwork on your baseline within a month.

Which technique should you use?

Inside the Loam app

Every technique in the library is available with no session limit. The app adds animated visualizations, optional haptic cues synced to each phase transition, configurable durations from one minute to twenty, and time-of-day recommendations that suggest the right technique based on your circadian rhythm (an energizing breath in the morning, coherent breathing after lunch, 4-7-8 before bed).

Download Loam to practice any of them.