During a campaign rally at Portsmouth, New Hampshire on Saturday 15 October 2016, the billionaire businessman said:
"I don't know what is going on with her.
"At the beginning of her last debate, she was all pumped up at the beginning. At the end, it was like, 'Take me down,' she could barely reach her car.
"Athletes, they make them take a drug test. I think we should take a drug test prior to the debate. Why don't we do that?"