Aired (July 20, 2019): Ayon sa mga eksperto, halos 1/3 ng ating buhay ay inilalaan natin sa pagtulog. Pero paano ang mga taong hindi dinadalaw ng antok? Samahan si Sandra Aguinaldo na pasukin ang mundo ng mga taong may sleep disorder.

Watch full episodes of ‘I-Witness’ every Saturday at 11:30 PM on GMA Network. These award-winning documentaries are presented by the most trusted broadcasters in the country: Sandra Aguinaldo, Atom Araullo, Kara David, and Howie Severino. #IWitness #WalangHimbing #IWitnessFullEpisode

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