Why do we breathe so loudly when we sleep? – Livescience.com

During the most peaceful sleep, some people snore obnoxiously loud, ruining the chances of slumber for anyone sharing their bedroom. But even those who dont snore do breathe louder when they nod off than when they’re awake. Why do people breathe so loudly when they sleep?
The sound made when you breathe whether awake or asleep is caused by the vibration of air moving through the breathing tube, said Dr. Timothy Morgenthaler, a pulmonologist and sleep medicine specialist at the Mayo Clinic in Minnesota….

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