Not all breath practices settle. Some are designed to activate — to raise energy, sharpen alertness, and shift a system that has gone too quiet.
Why Changing Your Breath Can Raise Your Energy and Shift a Low State
Not all breath practices settle. Some are designed to activate — to raise energy, sharpen alertness, and shift a system that has gone too quiet.
The previous article explained how slow extended exhales activate the parasympathetic branch — the branch that slows things down.
Activating breath practices work through the opposite mechanism. They use rapid, forceful breathing patterns to deliberately stimulate the sympathetic branch — the branch that raises energy, increases heart rate, and brings the system up from a low state.
This might sound counterintuitive. Most people associate the sympathetic branch with stress and threat. But the sympathetic branch does not only activate in response to danger. It also activates in response to effort, excitement, and engagement. Activating breath practices use that same pathway — not to create stress, but to generate energy from a system that has become too flat to respond.
The mechanism works through carbon dioxide. When you breathe rapidly, you expel carbon dioxide faster than your body produces it. This shifts the blood’s chemistry in a way that increases alertness, raises heart rate, and produces a feeling of energy and heightened awareness. The nervous system reads this shift as a signal to increase activation — not as threat, but as readiness.
What you might notice when you try an activating breath practice is a warmth or tingling in the hands and face, a quickening of the heart, and a sense of energy arriving that was not there before. Some people feel a rush of clarity. Some feel slightly lightheaded at first — this is normal and passes quickly.
These practices are most useful when the nervous system has gone too flat — when low mood, numbness, or lack of motivation makes it hard to begin anything. They are not suitable when the system is already activated or flooded. The direction matters. Activating practices raise what is low. They are not for states that are already high.
The same breath that can slow your nervous system down can also bring it up. The direction depends entirely on how you use it.
These practices were not invented by modern researchers. Ancient yogic traditions developed and refined activating breath techniques — including Kapalabhati and Bhastrika — thousands of years ago, observing their effects on energy, mental clarity, and alertness long before the underlying physiology had names. What modern science has added is not the discovery but the explanation.
The breath that settles an overactive system is not the same breath that wakes a flat one — direction is everything.
Ready to try something?
These practices work through breath to raise energy from a low state. Choose one that fits where you are right now.
| Practice | Time | When to Use | When NOT to use |
|---|---|---|---|
| Kapalabhati | 3 to 10 min | Too Shut Down, Generally Unsettled | Not with breathing difficulties, Not when flooded, Not with cardiovascular conditions, Not when pregnant |
| Bhastrika | 3 to 10 min | Too Shut Down, Generally Unsettled | Not with breathing difficulties, Not when flooded, Not with cardiovascular conditions, Not when pregnant |
| Stimulating Sighs | Under 1 min | Too Shut Down, Generally Unsettled | Not with breathing difficulties |