Coherent/Resonant breathing • Typical 4.5–6.5 breaths/min • 4‑phase cycle: In • Hold • Out • Hold. Headphones only needed for Binaural Cue.

Gentle audio cues to guide coherent breathing, calm and clarity.
Welcome to the Bright Beings Academy Resonant Breathing (HRV) Tone Pacer.
This simple, browser‑based tool gives you soft audio cues to help you breathe at a steady, comfortable rhythm—often around 5.5–6 breaths per minute—supporting a calmer nervous system and steadier focus.
Use headphones or speakers—keep the volume low and comfortable.
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Choose your pace (e.g., 5.5–6.0 bpm) or select a preset (Morning, Reset, Evening, Pre‑sleep).
Set the inhale/exhale ratio (e.g., 5:5 even; or 4:6 longer exhale for settling).
Set a timer (10–20 minutes to begin), press Start, and breathe gently through your nose.
Breaths‑per‑minute selector (approx. 4.5–7.0 bpm range)
Inhale:Exhale ratio (e.g., 5:5, 4:6, 6:6)
Cue sound (gentle tone or bell) and level
Master volume (conservative output)
Timer: 10, 20, 30, 45, 60‑minute options
Ramps: Smooth fade‑in/out for soft starts and endings
Start/Stop controls
Posture: Sit or lie comfortably. Relax your shoulders and soften your belly.
Nasal breathing: Inhale and exhale through the nose whenever possible.
Match the cue: Breathe in on the first tone, out on the second (or as marked by the audio).
Go easy: Keep the breath light and effortless. There should be no strain or “air hunger”.
Tune the ratio: If you feel tense, try 4:6 (longer exhale). If you feel sleepy, move toward 5:5 or 6:6.
Stay present: After a few minutes, the rhythm often feels natural. Let the session end with the fade‑out.
Tip: If you feel light‑headed, pause, breathe normally, then resume at a slightly higher bpm (faster pace) or with shorter exhales.
Resonant breathing is a steady rhythm—often near 5.5–6 breaths per minute—that many people find calming and centring. At this pace, the body’s natural rhythms can feel more coordinated, which is commonly described as HRV (heart‑rate variability) coherence.
The pacer offers a stable audio guide so you can settle into that rhythm gently.
These are wellbeing practices, not medical treatments; experiences vary.
Start at 6.0 bpm for 2–3 minutes (ratio 5:5).
Step down to 5.5 bpm for 2–3 minutes; notice comfort and ease.
Try 5.0 bpm for 2–3 minutes. If you feel any strain, step back up.
Choose the easiest pace where your breath stays smooth and unforced.
Rule of thumb: Comfort first. If in doubt, go slightly faster and keep the breath gentle.
Morning Settle (10 mins): 6.0 bpm, 5:5 ratio. Sit upright, eyes soft.
Midday Reset (15 mins): 5.5 bpm, 4:6 ratio. Good between meetings.
Evening Unwind (12–20 mins): 5.0–5.5 bpm, 4:6 ratio, low light.
Pre‑Sleep Calm (10–15 mins): 4.5–5.0 bpm, 4:6 or 5:7 if comfortable.
Light‑headed or air hunger? Pause, breathe normally, increase bpm (faster), and shorten exhale slightly.
Nasal congestion? Try gentle nose clearing first; if needed, breathe lightly through pursed lips.
Too sleepy? Use 5:5 even ratio or increase to 6.0 bpm.
Too alert or tense? Shift to 4:6 (longer exhale) and reduce overall volume.
Do I breathe through my nose or mouth?
Nose if possible. It’s gentler, warms the air, and often feels calmer.
What ratio is best?
Start 5:5. If you need to settle, try 4:6. If you’re sleepy, go back toward 5:5 or 6:6.
How often should I practise?
Daily is fine for most people—10–20 minutes is a great start.
Headphones or speakers?
Either works. Choose what lets you listen comfortably at low volume.
Can I use this with meditation or Qi Gong?
Yes. Many people find a short pacer session helpful before practice.
Would you like to understand how slow breathing, gentle sound and heart-rate variability may relate to one another?
Our research guide explains the current evidence, important limitations and practical ways to approach breath-led sound without forcing the breath or expecting a guaranteed outcome.
These sound generators are provided for education, meditation and personal sound exploration. They are not medical devices and are not intended to diagnose, treat, cure or prevent any physical or mental-health condition. They are not a substitute for professional medical advice, diagnosis or treatment.
Use the generators only in a safe setting. Do not listen while driving, cycling, operating machinery, crossing roads or doing anything else that requires your full attention.
Begin at a low, comfortable volume and keep your first session short. Listening safety is affected by both volume and duration, so take regular breaks and avoid raising the volume to overpower background noise.
Stop listening immediately if you experience ear pain or pressure, dizziness, nausea, headache, agitation, disorientation, changes in hearing or increased ringing in the ears. Seek appropriate medical or audiological advice if symptoms persist or return.
If you experience tinnitus, hyperacusis, hearing loss, migraines, epilepsy, seizures or sensitivity to rhythmic sound, approach these tools with additional care and seek professional guidance when uncertain. If you know that particular sounds, music or rhythms can trigger seizures, do not use rhythmic sound generators without advice from your clinician.
Where a generator offers binaural beats, stereo headphones are required to hear the intended effect. Pure tones, isochronic tones and amplitude-modulated sounds can generally be played through speakers or headphones.
Your response to sound is personal. Choose only tones and listening methods that feel comfortable, and stop whenever a practice does not feel right for you.
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