Breathing Deep: How Floating Impacts our Respiration

James Nestor is an acclaimed author, journalist, and speaker who has brought a fresh perspective to our understanding of breath. He ventured into the sea of human physiology with his book 'Deep'’ and later explored the lost art and science of breathing in his book 'Breath: The New Science of a Lost Art.'’

He is also no stranger to the Float Conference stage, having made his third appearance last year in 2022, when he talked about pooling his work on breath with the practice of floating. The Float Conference – an annual gathering of floating enthusiasts, researchers, and floatation tank owners – has been a perfect venue for many of Nestor's unique explorations.

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Float Tank Solutions
Breathing Easy - A Look at Floating and Blood Oxygen Levels

mmediately after her first float, Jeanine was already at a new level of relaxation. She says it was an “oh my gosh” moment for her, and recounted how all of her muscles were, “just so relaxed,” even after that single session. Over the following weeks and months, she became aware of another benefit that was even more profound – a rise in her blood oxygen levels, something she had been tracking regularly using an O2 ring.

Normal blood oxygen levels are around 95%, and before finding floating, Jeanine was seeing huge dips in her overnight blood oxygen levels, reaching as low as 77%.

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The Science of Floating and Mystical Experiences

The ideas of altered states of consciousness, mystical experiences, and voluntary self-isolation often bring with them images of shamans, spaced-out hippies, geometric art, and vibrant colors, as exaggerated stories and tales of these experiences get passed around. These misconceptions are reinforced through movies and TV shows. As many who have emerged from the tank can attest, it is often a much more dreamy, ethereal, and calming environment than is typically conveyed on screen.

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50 Years of Commercial Floating

In 1954, a young medical doctor and neuroscientist, John C. Lilly, donned a breathing mask and took the first descending steps into a large, fresh-water tank designed to cut out as much light, noise, and general sensation as possible. From that first iteration, it would be 19 years before floatation therapy was offered generally to the public, thanks to the work of Dr. Lilly, along with Glenn and Lee Perry.

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