You're not the only one who noticed Donald Trump's sniffle attack during the first presidential debate.

Forrmer presidential candidate and governor of Vermont, Howard Dean, has an interesting theory about why Trump seemed to have an unusual case of the sniffles on Monday night.

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SEE ALSO: Trump's debate sniffles are louder than his words

Notice Trump sniffing all the time. Coke user?

— Howard Dean (@GovHowardDean) September 27, 2016

Of course, Dean is only posing the question as a theory. But perhaps he can work the sniffles into his Trump impression.

Via Giphy

In the meantime, we can all enjoy a supercut of Trump's sniffles.

#TrumpSniffles #debatenight pic.twitter.com/fpn9bA19bd

— Mashable News (@MashableNews) September 27, 2016