Guided breathworkFree · no sign-in

Box Breathing Timer

Breathe around four equal sides with a visual pacer, adjustable timing, gentle vibration cues, and optional 4 Hz binaural ocean audio.

READY WHEN YOU ARE

Breathe Around the Box

03:12
4 · 4 · 4 · 4Equal sides. Gentle pauses.
IN
HOLD
OUT
REST

Rhythm

Seconds Per Side

Keep all four sides equal. Shorten the box if either pause feels uncomfortable.

4seconds each
Session

Choose Your Repetitions

Sessions always finish after the fourth side—never in the middle of a box.

12cycles · 3m 12s
Sensory cues

Sound & Haptics

Choose the optional cues that help you follow each side.

4 Hz binaural ocean audioOptional stereo focus track
Stereo headphones are required for the intended effect. Keep the volume comfortable.
Corner vibrationOne gentle cue per transition

Vibration support varies by browser and device.

The technique

One breath. Four equal sides.

Box breathing is a structured attention practice, not a breath-hold challenge. Keep the breath quiet and each pause comfortable.

014 seconds

Breathe in

Inhale quietly through your nose. Let the lower ribs and abdomen move without forcing a large breath.

024 seconds

Hold gently

Pause with a relaxed throat and shoulders. Shorten every side if you feel air hunger.

034 seconds

Breathe out

Exhale slowly and evenly. Let the breath leave without forcefully emptying your lungs.

044 seconds

Rest empty

Pause only while comfortable, then begin the next gentle inhale.

Evidence, in context

What box breathing may help with

Brief, structured breathing practices can help some people settle attention and feel calmer. Research on paced breathing more broadly reports changes in respiratory rate, mood, and autonomic measures—but box breathing itself has not been studied as extensively as slow breathing in general.

Treat the exercise as a practical focus tool, not as treatment for anxiety, high blood pressure, lung disease, or another medical condition.

Optional listening layer

About the 4 Hz binaural audio

The track presents slightly different tones to the left and right ears, creating a perceived 4 Hz difference beneath ocean sound. Stereo headphones are required for the intended effect.

Evidence for theta-frequency binaural beats remains mixed and low-certainty. Use the track because it helps you focus—not because it is proven to entrain the brain or treat a health condition.

Safety first

Comfort is the stop rule

Practice seated in a safe setting—not while driving, swimming, performing patient care, or using machinery. Stop and return to normal breathing for dizziness, tingling, chest discomfort, unusual shortness of breath, or distress. Seek urgent care for concerning symptoms.

Common questions

Box breathing FAQ

What is box breathing?

Box breathing is a four-part paced breathing exercise. You inhale, pause, exhale, and pause again for equal lengths of time. The classic rhythm is 4-4-4-4, but a shorter 3-second rhythm is a comfortable place to begin.

How long should a box breathing session last?

Start with 4 to 8 cycles, or about 1 to 2 minutes at the classic pace. Longer is not automatically better. Keep every phase easy and stop if the breath holds become uncomfortable.

Do I need headphones for the 4 Hz audio?

Yes. Binaural audio sends a slightly different tone to each ear, so stereo headphones are needed for the intended 4 Hz difference. The audio is optional and the breathing timer works normally without it.

Is box breathing safe for everyone?

Many people tolerate gentle paced breathing, but breath holds are not comfortable or appropriate for everyone. Practice seated in a safe place, never while driving or in water, and return to normal breathing if you feel dizzy, distressed, unusually short of breath, or have chest discomfort.

Reviewed sources

Evidence and methodology

The guidance separates evidence about paced breathing generally from evidence specific to box breathing and binaural audio.

  1. Balban, M. et al. (2023). Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine.
  2. Laborde, S. et al. (2018). Effects of voluntary slow breathing on heart rate variability and related functions. Frontiers in Human Neuroscience.
  3. Fatima, I. et al. (2026). Efficacy of theta binaural beat therapy on pain, cognition and anxiety in adults. Explore.