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How should I breathe when scuba diving?

  • Writer: Purple Dive
    Purple Dive
  • Sep 3
  • 2 min read

A scuba diver swims among a large school of silver fish near a coral reef. The deep blue ocean background enhances the vibrant scene.
Good breathing technique improves air consumption, improves relaxation and perfects buoyancy.

Scuba diving opens up a whole new world, but to truly enjoy it, you need to master the art of underwater breathing. It is key for air consumption and for buoyancy IThe trick is to breathe "sleepy" – slowly, deeply, and efficiently. Let's dive into the details.



The "Sleepy" Breathing Technique: Your Underwater Secret Weapon

Imagine you're drifting off to sleep. That's the rhythm you want to aim for while scuba diving. Why? Because it minimises your air consumption and ensures a smooth, comfortable dive.

  • Slow and Deep:

    • Forget the rapid, shallow breaths. These actually waste air. Why? Because you're mainly recycling "dead air" – the air left in your trachea and throat( as well as regulator second stage), which is high in carbon dioxide and low in oxygen.

    • Instead, take long, deep breaths. This allows for a more complete exchange of oxygen and carbon dioxide in your lungs, meaning you get more out of each breath and need to breathe less frequently.

    • By breathing slowly, the air stays in your lungs longer, giving your body more time to absorb the oxygen.


Fine-Tuning Your Underwater Breath:

Beyond the "sleepy" rhythm, here are some additional tips to enhance your breathing efficiency:

  • Exhale Completely:

    • Fully emptying your lungs reduces the volume of "dead air" and eliminates as much carbon dioxide as possible. This delays the urge to take another breath, conserving your air supply.

  • Pause After Inhaling:

    • After inhaling, gently hold the air in your lungs for a few seconds, keeping your throat open. This allows for even greater gas exchange. Your breathing pattern should be: exhale, inhale, pause. Repeat.

    • Important note: This is not "skip breathing". Skip breathing involves closing the epiglottis and holding your breath for extended periods, which is dangerous and can lead to serious issues. Our method keeps the throat open and allows for proper gas exchange. Skip breathing will also increase CO2 levels, and make you breath faster and more shallow.

  • Invest in a Quality Regulator:

    • A high-performance regulator can significantly reduce the effort required to breathe underwater. This makes your dives more comfortable and helps conserve air.


Why Proper Breathing Matters:

  • Air Conservation: Efficient breathing means longer dives and more time to explore the underwater world.

  • Good buoyancy: once you understand how to use the small pauses and inhales and exhales for perfect buoyancy it will become automatic.

  • Reduced Anxiety: Slow, deep breaths promote relaxation and reduce anxiety, which can be crucial for a safe and enjoyable dive.

  • Enhanced Comfort: Proper breathing minimizes the feeling of shortness of breath and contributes to a more comfortable diving experience.


Mastering your breathing technique is essential for a successful and enjoyable scuba diving experience. Remember to breathe "sleepy" – slowly, deeply, and deliberately. By following these tips, you'll conserve air, enhance your comfort, and truly immerse yourself in the wonders of the underwater world. So, take a deep breath, relax, and enjoy the dive!

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