Are you more likely to stay up until 5am or get up at that time?
Posted on August 12, 2015, at 6:28 a.m. ET
This quiz is adapted from a questionnaire in Night School (Macmillan, 2014) by Richard Wiseman, and originally based on this scientific paper.
Kelly Oakes is science editor for BuzzFeed and is based in London.
Contact Kelly Oakes at firstname.lastname@example.org.
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