Frank Gruber is likely to sleep between 1 a.m. and 7 a.m.
Frank Gruber - CEO & Cofounder @TechCocktail tech startup events, news & resources. Co-creator DCWEEK & TCWeek. Former AOL & Tribune. Sports fan.
Frank Gruber is located in Las Vegas & D.C. (via Chicago) (Eastern Time (US & Canada) time zone). If the sleeping schedule doesn't appear right, maybe @FrankGruber hasn't specified the correct timezone in their Twitter profile.
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