Which slow pace feels easiest?
About a minute each at 6.5 down to 4.5 breaths a minute. Keep the one that feels easiest.
- 6.5a minute4.6 s in, 4.6 s out
- 6a minute5 s in, 5 s out
- 5.5a minute5.5 s in, 5.5 s out
- 5a minute6 s in, 6 s out
- 4.5a minute6.7 s in, 6.7 s out
What your pace means, and what to do next
- Any pace from 4.5 to 6.5. That's where most adults' heart rate swings the most with each breath, so you're in the right range. Use it for five to twenty minutes a day, sitting down, for four weeks.
- Two paces felt about the same. Either is fine. In the 2026 trial a personal pace did no better than a plain six a minute, so pick the one that's easier to keep up.
- All of them felt like a strain. Breathe less deeply, not faster. Short of air at five seconds in and out usually means the breaths are too big. Start with cyclic sighing instead, which has a short in-breath.
- Lightheaded or tingly. You're breathing more air than you need. Stop, breathe normally, and come back to it with smaller breaths.
Judge it on your mood before and after each session. Resting HRV didn't rise in that trial, so the morning number won't tell you much. Start five minutes at six a minute.
Why there's a best pace, and why it barely matters
Your heart speeds up a little on every in-breath and slows on every out-breath. Breathe slowly enough and that swing lines up with your blood pressure reflex, so it gets much bigger. For most adults the biggest swing comes somewhere between 4.5 and 6.5 breaths a minute, which is why biofeedback clinics test you at each pace in turn.
In a 2026 trial, researchers gave 88 adults four weeks of slow breathing, 20 minutes a day. One group used a personal pace found that way, one used a plain six a minute, and one waited. Both breathing groups felt less stress and anxiety than the waiting group, the personal pace did no better than six, and neither raised resting HRV. So use the finder to pick the pace that feels smooth, and don't worry about getting it exactly right.
2 sources
- Shaffer and Meehan, Frontiers in Neuroscience, 2020pmc.ncbi.nlm.nih.gov
- Sumińska and others, Scientific Reports, 2026nature.com
