What’s the difference between breathing in through your nose and mouth? And why it’s recommended to do it through the nose?

Question

What’s the difference between breathing in through your nose and mouth? And why it’s recommended to do it through the nose?

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Answer 1

In addition to the other reasons given, breathing through the mouth dries out your mouth and throat, which leads to the body producing mucus to compensate, which can cause choking, which can wake you up dozens of times a night.

Because of a deviated septum, my nose was 95% blocked. To get anything approaching a decent night’s sleep, I had to get a septoplasty and then retrain myself to breathe through my nose.