The Science of Sleep: Why You're up at 3AM — And Why Worrying About It Makes It Worse | Sara Mednick
The Science of Sleep: Why You're up at 3AM — And Why Worrying About It Makes It Worse | Sara Mednick  
Podcast: 10% Happier with Dan Harris
Published On: Wed May 13 2026
Description: 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 measurement of health Why sex is so helpful for sleep And when to take melatonin to best effect Join Dan and Emmy Award-winning journalist Allison Gilbert at 92NY on May 17th for a live conversation about how mindfulness can deepen connection and combat loneliness, available in person and via streaming. Register here. Join Dan, Sebene Selassie, and Jeff Warren for Meditation Party, a 3-day immersive retreat at the Omega Institute in Rhinebeck, NY, October 16–18. Grab your in-person spot here, or sign up to livestream here! Get the 10% with Dan Harris app here Sign up for Dan's free newsletter here Follow Dan on social: Instagram, TikTok Subscribe to our YouTube Channel This episode is sponsored by: Rosetta Stone — Language learning that's immersive and intuitive. Ten Percent Happier listeners get 20% off a Rosetta Stone Sapphire subscription at https://www.rosettastone.com/happier Quo — The business communication system built so you never miss a call. Try free and get 20% off your first six months at https://www.quo.com/happier To advertise on the show, contact sales@advertisecast.com or visit https://advertising.libsyn.com/10HappierwithDanHarris