John Battelle is likely to sleep between 12 a.m. and 6 a.m.
John Battelle - A Founder of Federated Media, OpenCoSF, Web 2 Summit, Wired, Industry Standard; writer on Media, Technology, Culture, Business
John Battelle is located in Marin, California (Pacific Time (US & Canada) time zone). If the sleeping schedule doesn't appear right, maybe @johnbattelle hasn't specified the correct timezone in their Twitter profile.
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