Days 8 to 11 in Polyphasic Sleep ChallengeApril 6, 2018 in Polyphasic Sleep Challenge tagged challenge / polyphasic sleep / sleep / sleep cycles by Armin Days 8 to 11 in Polyphasic Sleep ChallengeI’m little over halfway through and it is time to give some feedback. “I’m getting old or sleep deprivation is eating my brain” 🙂 [adzbuzzer]Read more about the challenge itself.