India, Oct. 21 -- Dr K Priya, senior consultant in ENT at SRM Global Hospital, Chennai, said waking up with a dry mouth can be linked to how a person breathes while sleeping, rather than how much water they drink, according to an Oct. 8, 2026 article by Adrija Dey. The report said the issue is not always harmless and can sometimes be linked to underlying problems such as nasal blockages or sleep apnea.
How breathing during sleep can cause dryness
Dr K Priya said she often sees the problem “not because of not drinking water but because of how a person breathes while sleeping.” The article said breathing through the mouth for hours can dry out the mouth because constant airflow removes moisture.
The report listed nasal-related reasons that...