Watch a Guy Stay Awake for 40 Hours as Part of GMA 40 for 40

By Brian Flood 

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Good Morning America is in the midst of a 40-hour, non-stop livestream. So how’s it going?

“We are nearly halfway through the livestream marathon and I couldn’t be more proud of the staff, anchors and everyone behind the scenes working on this epic event,” GMA ep Michael Corn told TVNewser. “The livestream has given us the opportunity to supersize what GMA does best – from staying on top of the ongoing situation in Paris -to breaking news in politics –to awesome exclusives like One Direction-it’s been an incredible experience so far.”

Perhaps taking a page from a fellow Disney property ESPN’s highly successful 30 for 30 series, GMA is calling the livestream 40 for 40, which culminates with GMA’s 40th anniversary show tomorrow morning. For that, ABC is bringing back anchors from the past, including David Hartman, Joan Lunden, Josh Elliott and Sam Champion, who is also participating in today’s 40 for 40:

The marathon is streaming on, its social channels, and even on the digital sub-channels of ABC TV stations. GMA’s digital platforms are offering up to five simultaneous streams. The hashtag #GMA40 is one of the top topics on Facebook and is a trending topic on Twitter.  Throughout the One Direction concert, the hashtag #1DonGMA was trending in the U.S. and worldwide.

“40 for 40 is a gift to the viewers that have made GMA such a special place all these years,” added ABC News president James Goldston. “It is also a grand experiment in using modern technology to tell stories in new ways and it’s only possible thanks to the incredible hard work of everyone at ABC News.”

GMA also has a 4040 Express bus traveling the country and surprising fans.

The “GMA Icons Hour” will be hosted by Robin Roberts and features past anchors such as Charlie Gibson, Diane Sawyer and Sam ChampionGeorge Stephanopoulos is also anchoring a politics hour tonight. Check out a full schedule here.

For the full 40 hours, Dan Childs, head of the ABC News medical unit, is conducting an interesting study – staying up the entire time. You can watch him on the GMA 40 for 40 sleep deprivation cam here: