Day 4 in Polyphasic Sleep Challenge

March 31, 2018  in Polyphasic Sleep Challenge  tagged challenge / polyphasic sleep / sleep cycles by Armin

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Day four in Polyphasic Sleep Challenge

Fourth day in Polyphasic Sleep Challenge. It was the most difficult morning so far. 

Watch the video and find out more 🙂

[adzbuzzer]

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Read more about the challenge itself.

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