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A member asked:
What can cause saliva build up when i lay horizontal?
2 doctors weighed in across 2 answers
Gravity: Gravity helps you swallow - when you lay down - it pools up in your mouth rather than at the back of your throat when you are triggered to swallow.
Answered 8/11/2012
5.7k views
Thank
Not swallowing.: When you lay horizontal, your tongue falls back so you can breath thru your nose which is normal. This holds saliva in your mouth until you swallow.
Answered 8/12/2012
5.7k views
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