Charlie Puth lights up 'Today' despite getting just one hour of sleep: Watch!

How long has this been going on, Charlie Puth? We're talking, of course, about his apparent struggles with insomnia.

The chart-topping star powered through major sleep deprivation early Friday morning, lighting up the Rockefeller Center crowd as part of Citi Concert Series on "Today."

“I got one hour of sleep last night, but I’m here!” Puth told the show's anchors after singing "Attention," "How Long" and his new release "The Way I Am."

It wasn't just teenage fans who were loving the show: Hoda Kotb couldn't stop bopping around from her spot in the crowd, and AOL also spotted several dads nodding along to Puth's buzzy tunes.

Once he'd left the stage, Puth tweeted that he was off to bed. "Knocking out now..." he wrote.

Upcoming performers on Citi Concert Series on "Today" include Julia Michaels (July 27), Keith Urban (August 2), Jason Mraz (August 10) and Cole Swindell (August 17). You can catch all the live shows on NBC.

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INGLEWOOD, CA - MARCH 12: Recording artist Charlie Puth attends Nickelodeon's 2016 Kids' Choice Awards at The Forum on March 12, 2016 in Inglewood, California.(Photo by Jeffrey Mayer/WireImage)
INGLEWOOD, CA - MARCH 12: Recording artists Charlie Puth (L) and Wiz Khalifa, winners of the Favorite Collaboration award for 'See You Again,' perform onstage during Nickelodeon's 2016 Kids' Choice Awards at The Forum on March 12, 2016 in Inglewood, California. (Photo by Kevin Mazur/KCA2016/WireImage)
INGLEWOOD, CA - MARCH 12: Recording artist Charlie Puth performs onstage during Nickelodeon's 2016 Kids' Choice Awards at The Forum on March 12, 2016 in Inglewood, California. (Photo by Christopher Polk/KCA2016/Getty Images for Nickelodeon)
LOS ANGELES, CA - FEBRUARY 24: Recording artist Charlie Puth performs onstage during Global Green USA's 13th annual pre-Oscar party at Mr. C Beverly Hills on February 24, 2016 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for Global Green)
LOS ANGELES, CA - FEBRUARY 24: Recording artist Charlie Puth performs onstage during Global Green USA's 13th annual pre-Oscar party at Mr. C Beverly Hills on February 24, 2016 in Los Angeles, California. (Photo by Lester Cohen/Getty Images for Global Green)
LOS ANGELES, CA - FEBRUARY 12: Recording Artist Charlie Puth at popchips and Westwood One's Backstage at The GRAMMYSat Staples Center on February 12, 2016 in Los Angeles, California. (Photo by Tiffany Rose/Getty Images for popchips)
NEW YORK, NY - JANUARY 28: (EXCLUSIVE COVERAGE) Singer Charlie Puth visits the SiriusXM Studios on January 28, 2016 in New York City. (Photo by Astrid Stawiarz/Getty Images)
BEVERLY HILLS, CA - JANUARY 10: 73rd ANNUAL GOLDEN GLOBE AWARDS -- Pictured: (l-r) Recording artists Charlie Puth and Wiz Khalifa arrive to the 73rd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 10, 2016. (Photo by Larry Busacca/NBC/NBCU Photo Bank via Getty Images)
CHICAGO, IL - DECEMBER 16: Musician Charlie Puth attends 103.5 KISS FM's Jingle Ball 2015 Presented by Capital One at Allstate Arena on December 16, 2015 in Chicago, Ill. (Photo by C Flanigan/Getty Images)
CHICAGO, IL - DECEMBER 16: Charlie Puth performs onstage during 103.5 KISS FM's Jingle Ball 2015 presented by Capital One at Allstate Arena on December 16, 2015 in Chicago, Ill. (Photo by Timothy Hiatt/WireImage)
CHICAGO, IL - DECEMBER 16: Recording artist Charlie Puth performs onstage during 103.5 KISS FM's Jingle Ball 2015 presented by Capital One at Allstate Arena on December 16, 2015 in Chicago, Ill. (Photo by Daniel Boczarski/Getty Images for iHeartMedia)
WASHINGTON, DC - DECEMBER 14: Musician Charlie Puth performs onstage during Hot 99.5's Jingle Ball 2015 presented by Capital One at Verizon Center on December 14, 2015 in Washington, D.C. (Photo by Jamie McCarthy/Getty Images for iHeartMedia)
WASHINGTON, DC - DECEMBER 14: Musician Charlie Puth performs onstage during Hot 99.5's Jingle Ball 2015 presented by Capital One at Verizon Center on December 14, 2015 in Washington, D.C. (Photo by Jamie McCarthy/Getty Images for iHeartMedia)
NEW YORK, NY - DECEMBER 11: Musician Charlie Puth performs onstage during Z100's Jingle Ball 2015 at Madison Square Garden on December 11, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for iHeartMedia)
PHILADELPHIA, PA - DECEMBER 09: Musician Charlie Puth performs onstage during Q102's Jingle Ball 2015 presented by Capital One at Wells Fargo Center on December 9, 2015 in Philadelphia, Pa. (Photo by Jamie McCarthy/Getty Images for iHearttMedia)
LOS ANGELES, CA - DECEMBER 04: Charlie Puth performs onstage during the 102.7 KIIS FM's Jingle Ball Village held at Staples Center on December 4, 2015 in Los Angeles, California. (Photo by Michael Tran/FilmMagic)
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