Observer Editor, Free
“Sleep Groove: Why Your Body's Clock Is So Messed Up and What To Do About It”: Schuler Books
Sleep expert Olivia Walch, a U-M neurology researcher, discusses her new book. 6:30 p.m., Schuler Books, 2513 Jackson Ave. Free; preregistration requested at schulerbooks.com/events-ann-arbor. (734) 662–0600.
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