A 51-year-old member asked:

Drink a lot of water through the day and before bd but my mouth felt dry when i woke up. can i get dehydrated overnight?

1 doctor answer1 doctor weighed in
Dr. Jerome Zacks
Cardiology 53 years experience
Two factors: First, it is possible to become dehydrated overnight. Second, one's mouth can become dry from mouth-breathing; this might be due to nasal obstruction. Chronic nasal obstruction might be due to allergies or it could be due to one's anatomy.
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Last updated Jul 19, 2016


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