Long story short: It absolutely does.
Key among those are filtering, humidifying, and regulating the temperature of the air as we breathe.
Nose breathing is scientifically proven to be the healthiest way to daily breathe.

However, thats not to say you should never, ever breathe out of your mouth.
Breathing out through your mouth can also help cool your body down, like during exercise.
Airflow through the mouth is quick, voluminous, and chaotic, she says.

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Its Amazing How Its All Connected.
The nose is a magical thing.
Whatever the reason for having to breathe through your mouth when sleeping, the side effects remain the same.

But thats not the only thing you have to worry about with breathing through your mouth at night.
When the nose is blocked, the mouth opens to maximize breathing, Dr. Ahmedli shares.
This may lead to obstruction, or partial closing of the airway, which occurs in sleep apnea.

Its just a connection, Dr. Ahmedli says.
In reality, the answer is slightly more nuanced.
This maximizes the smooth delivery of oxygen through the nose and the exit of carbon dioxide through the mouth.

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Imagine running on a cold day.
If you breathe in through your mouth, you may find your throat hurts from the exertion.
In actuality, it all comes down to the way youre breathing.

Its all about breath control.
While seemingly alarming, its nothing to panic over, Dr. Liotta says.
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