Jeff Atwood is likely to sleep between 2 a.m. and 8 a.m..
Jeff Atwood - Indoor enthusiast. Co-founder of http://stackoverflow.com and http://stackexchange.com. Disclaimer: I have no idea what I'm talking about.
Jeff Atwood is located in Bay Area, CA (Arizona time zone). If the sleeping schedule doesn't appear right, maybe @codinghorror hasn't specified the correct timezone in their Twitter profile.
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