why do we salivate during a nap of day?
Answers
Explanation:
The simplest answer is that you drool during sleep because your mouth is open. The muscles of the body relax during sleep, especially during REM sleep, and it is possible for your mouth to fall open at this time.
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Answer:hey friends here yor answer
Explanation:
Upper respiratory tract infections are usually associated with swallowing and breathing problems.
Which cause drooling due to accumulation of saliva.
we tend to breath by mouth when our nasal passage is blocked due to flu. It causes excess saliva to flow out while sleeping also.
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