Encyclopedia of Medicine wrote:In laryngitis, the tissues below the level of the epiglottis are swollen and inflamed. This causes swelling around the area of the vocal cords, so that they cannot vibrate normally. A hoarse sound to the voice is very characteristic of laryngitis. Laryngitis is a very common problem, and often occurs during the course of an upper respiratory tract infection (cold).
Bearded One wrote:It sounds like you may be mouth breathing when you sleep. The dryness associated with mouth breathing is caused by a rather large volume of air being blown into your nose and out your mouth. Mouth breathing also negates the therapeutic effects of CPAP.
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