1 doctor weighed in:

Why does my child cough every morning, but just in the mornings?

1 doctor weighed in

In brief: Usually...

...Either phlegm or nasal mucus is not cleared during deep sleep, and needs to be coughed out in the morning.

In brief: Usually...

...Either phlegm or nasal mucus is not cleared during deep sleep, and needs to be coughed out in the morning.
Dr. Anatoly Belilovsky
Dr. Anatoly Belilovsky
Thank
Read more answers from doctors