CNN host Brooke Baldwin on Monday grimaced when a guest mentioned cocaine abuse while analyzing Donald TrumpDonald John TrumpGraham to introduce resolution condemning House impeachment inquiry Support for impeachment inches up in poll Fox News's Bret Baier calls Trump's attacks on media 'a problem' MORE’s performance in the latest presidential debate.

“I know you look into, you know, linguistics and body language,” Baldwin said while interviewing Todd Graham, the debate director at Southern Illinois University.

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“But, what’s with the sniffing?” Baldwin asked, referencing a nasal tick that also haunted Trump in his first debate against Democrat Hillary ClintonHillary Diane Rodham ClintonThe Memo: Trump 'lynching' firestorm is sign of things to come Hillary Clinton has said she'd consider 2020 race if she thought she could win: report Nielsen on leaving Trump administration: 'Saying no and refusing to do it myself was not going to be enough' MORE. "Have we figured that out, the sniffing?”

“No, and again, if you just practice with the microphone, which he didn’t do, I think he could have heard it and fixed it,” Graham responded.

“But last night it was unbearably strong. He was sniffing louder than any coke fiend I’ve ever known. I just thought, ‘Boy oh boy, this is not going to go over well.' It was for the whole 90 minutes.”

Baldwin visibly winced upon hearing Graham’s answer, briefly looking down while the debate coach continued dissecting Trump’s performance.

Former Vermont Gov. Howard Dean (D) faced criticism after questioning whether cocaine was behind Trump's sniffles during the Sept. 26 contest at Hofstra University in Hempstead, N.Y.

“Something funny was going on with Trump last night,” Dean said on Sept. 27. "Do I think it’s cocaine? Probably not.

“But again, the sniffling, the grandiosity, the delusions, the pressured speech: this guy has already proven himself to be unstable, the question is: Why is he unstable?”

Dean on Sept. 30 ultimately apologized for using “innuendo” against Trump despite no evidence the billionaire, a reported teetotaler, uses drugs.