Danny Sullivan is likely to sleep between 1 a.m. and 7 a.m.
Danny Sullivan - Founding Editor, Marketing Land & Search Engine Land, covering Google, Facebook, Twitter, SEO, SEM & all things digital marketing, search marketing and search.
Danny Sullivan is located in Newport Beach, Orange County (Pacific Time (US & Canada) time zone). If the sleeping schedule doesn't appear right, maybe @dannysullivan hasn't specified the correct timezone in their Twitter profile.
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