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Fitness & Wellbeing

Breathing
Exercise Timer

Choose a breathing pattern, follow the animated orb, and feel calmer in under 5 minutes. Used for stress, anxiety, sleep, and focus.

⬜
Box Breathing
4 · 4 · 4 · 4
Used by Navy SEALs for calm under pressure
🌙
4-7-8 Breathing
4 · 7 · 8
Dr. Weil's technique for sleep and anxiety
🌊
Calm Breathing
4 · 0 · 6 · 0
Gentle rhythmic breath for everyday stress
✦
Custom
— · — · — · —
Set your own inhale / hold / exhale times
InhaleCycle 1
Ready
—
Press Start to begin your session
0
Cycles
0:00
Session Time
0
Breaths
Custom Settings & Duration 5 cycles · ~2 min
Inhale
4
seconds
Hold (after inhale)
4
seconds · 0 = skip
Exhale
4
seconds
Hold (after exhale)
4
seconds · 0 = skip
Cycles

Box Breathing

4 seconds in, hold 4, out 4, hold 4. Used by the US Navy SEALs, emergency responders, and athletes to rapidly calm the nervous system under stress. Even one minute activates the parasympathetic nervous system and reduces cortisol.

4-7-8 Technique

Inhale for 4, hold for 7, exhale slowly for 8. Developed by Dr. Andrew Weil, it's particularly effective for sleep onset and acute anxiety. The long exhale activates the vagus nerve, slowing heart rate and calming the stress response.

Why breathing works

The breath is the only autonomic bodily function you can consciously control — giving you direct access to the nervous system. Slow, deep breathing activates the parasympathetic ("rest and digest") system, counteracting the "fight or flight" response of stress and anxiety.

When to use it

Before a stressful meeting or presentation, when you can't fall asleep, during anxiety or panic, after intense exercise to recover, before a difficult conversation, or as part of a morning routine. Even 3–5 minutes produces measurable physiological effects.

Frequently Asked Questions
Does breathing actually reduce anxiety? ▾
Yes — this is well-supported by research. Controlled slow breathing directly activates the parasympathetic nervous system via the vagus nerve, reducing heart rate, blood pressure, and cortisol levels. Studies show even 5 minutes of paced breathing significantly reduces subjective anxiety and measurable physiological stress markers.
Which technique should I use? ▾
Box breathing (4-4-4-4) is the most versatile — good for stress, focus, and general calm. 4-7-8 is best for sleep and acute anxiety. Calm breathing (4-0-6-0) is gentlest and best for beginners. Try each for a few days and notice which your body responds to best — there is no universally superior technique.
How often should I do breathing exercises? ▾
Even once a day for 5 minutes produces cumulative benefits. Most research showing improvements in anxiety and stress used sessions of 10–20 minutes, 3–5 times per week. However, even a single session provides immediate acute benefit — useful on-demand when stress spikes.
Is it normal to feel lightheaded? ▾
Mild lightheadedness can occur when breathing more deeply than usual — this is from changes in CO₂ levels and is generally harmless. If it occurs, slow your breathing pace slightly, make sure you're not hyperventilating, and stop if it becomes uncomfortable. The Calm Breathing pattern (gentle 4-0-6-0) rarely causes this. Always breathe at a comfortable pace.
Related Tools
🫁
Guided Breathing
Animated guide · Box · 4-7-8 · Coherence
→
🔔
Meditation Timer
Bells · Intervals · Streak log
→
🌊
Panic Grounding
5-4-3-2-1 sensory grounding exercise
→
⏳
Countdown Timer
Countdown · Stopwatch · Lap timer
→
How to Use the Breathing Exercise Timer

Guide yourself through box breathing, 4-7-8, or custom breathing patterns with visual cues.

01
Choose a breathing pattern
Select from Box Breathing (4-4-4-4), 4-7-8 (for sleep and anxiety), Coherence Breathing (5-5), or Calming Breath. Each has different effects on your nervous system.
02
Start the timer
Press Start and follow the animated circle — expand as it grows, hold when it pauses, release as it shrinks.
03
Breathe through your nose
Nasal breathing activates the parasympathetic nervous system more effectively than mouth breathing. Exhale slowly through slightly pursed lips.
04
Complete at least 4 cycles
The physiological effects of controlled breathing kick in after 2–3 complete cycles. Most patterns become noticeably calming after 4–6 rounds.
05
Use custom mode for your preference
Set your own inhale, hold, exhale, and hold-out durations. Extended exhales (exhale longer than inhale) are most calming.
💡
💡 Box breathing is used by Navy SEALs to stay calm under pressure. 4-7-8 is specifically designed for sleep — do it lying down in bed when you want to fall asleep faster.