"You're sleepy, just all laughing and drinking coffee to keep each other awake," he said.
There are even Dial-a-Carol miracles.
Renee Nelson, 51, of Naperville, Illinois, heard about it on the radio and decided to call.
"My niece Erin (Markovich) is a junior there. I called and she answered, but I did not know she would be there," she said. Nelson requested "Jingle Bells."
"She got a couple of her friends to back her up. ... You have to smile," Nelson said. "It's a bunch of college kids who could be doing anything else in their day. It was really cute."
Garrick Bradley, 22, an accounting major from South Holland, Illinois, said he answered a Dial-a-Carol phone at 7 a.m. Monday, groggy from studying. The peppy voice on the line was a radio host in Phoenix asking him to sing "Feliz Navidad" on the air.