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. 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 generous with his knowledge, making it a priority to train, mentor, and inspire thought leaders in the field of sleep medicine. You are welcome to leave your memories of John E. Remmers, MD, in the comments.