Sleep physician John E. Remmers, MD, an inventor of forward-thinking sleep medicine technologies and a prolific sleep researcher, died the morning of July 7. He was 87.

Remmers, inventor of MATRx and a dental sleep medicine expert, most recently worked at ProSomnus Sleep Technologies, where the CEO Len Liptak penned the following tribute to share with friends and colleagues.


Liptak says:

With a heavy heart, I am profoundly sorry to report the loss of Dr. John Remmers, MD. John was nothing less than a legend; an iconoclast; a pulmonologist; a physiologist; a scientist; a father; a husband; a mentor; a colleague; an educator; a pioneer. And I consider myself lucky to have called John a dear friend. 

John was the force of nature who discovered, evaluated, and characterized the pathophysiology of obstructive sleep apnea, a chronic disease that afflicts 1 billion people worldwide.. He subsequently directed his considerable talents, intellect, and work ethic to neutralizing this disease. He was the yin to sleep apnea’s yang. Sleep apnea posed questions; John developed answers. 

John published more than 100 peer-reviewed articles on respiratory physiology and served two terms as the editor-in-chief of the Journal of Applied Physiology

During his celebrated career, John invented and championed multiple technologies and clinical procedures that enabled more effective treatment of obstructive sleep apnea. 

John successfully licensed his inventions to some of the biggest companies in sleep medicine, was a co-founder of Zephyr Sleep Technologies, and, most recently, chief scientist for ProSomnus Sleep Technologies, where he provided the clinical and scientific inputs that defined the forthcoming next generation of sleep apnea devices. 

John was generous with his knowledge, making it a priority to train, mentor, and inspire thought leaders in the field of sleep medicine. As clinical professor of internal medicine at the University of Calgary, he founded the Foothills Medical Centre and Sleep Lab. 

Yet awards and accolades do not begin to describe John’s contributions. He was a truly extraordinary human being. When my father-in-law fell ill with a respiratory disease, John interacted with the medical team in San Francisco and offered suggestions that likely extended my father-in-law’s life by many months. But that was John. He spent time pondering the big, tough, public health questions. But he also kept it focused. Kept it personal. Kept it tangible. He always had time for the patient and the physician. 

When you think of him, please know that John left the Earth doing exactly what he loved most, spending time with family, writing manuscripts, and developing innovative medical devices.  

Words cannot describe the loss of John, an exceedingly unique and exceptional human being. Which is probably why, in a final demonstration of his sagacity, he aimed to ease my burden by suggesting I share his favorite poem. 

The Road Not Taken

By Robert Frost

Two roads diverged in a yellow wood,

And sorry I could not travel both

And be one traveler, long I stood

And looked down one as far as I could

To where it bent in the undergrowth;

Then took the other, as just as fair,

And having perhaps the better claim,

Because it was grassy and wanted wear;

Though as for that the passing there

Had worn them really about the same,

And both that morning equally lay

In leaves no step had trodden black.

Oh, I kept the first for another day!

Yet knowing how way leads on to way,

I doubted if I should ever come back.

I shall be telling this with a sigh

Somewhere ages and ages hence:

Two roads diverged in a wood, and I—

I took the one less traveled by,

And that has made all the difference.


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