Ten Percent Happier
The Science of Sleep: Why You're up at 3AM — And Why Worrying About It Makes It Worse | Sara Mednick
May 13, 2026
· 52m
Sara Mednick is a cognitive neuroscientist at the University of California, Irvine, and the author of the book The Power of the Downstate . This episode is part of our month-long "Mental Health Reboot" series to mark Mental Health Awareness Month. This episode is from our archives. In this episode we talk about: The nuances of napping Dr. Mednick's definition of the "downstate" Whether there are practices that can compensate for poor sleep Why heart rate variability is an important …
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