Guy Kawasaki is likely to sleep between 10 p.m. and 4 a.m.
Guy Kawasaki - Author of APE: Author, Publisher, Entrepreneur. Former chief evangelist of Apple.
Guy Kawasaki is located in Silicon Valley, California (Pacific Time (US & Canada) time zone). If the sleeping schedule doesn't appear right, maybe @GuyKawasaki hasn't specified the correct timezone in their Twitter profile.
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