December 9, 2025 • 16 mins
There’s a new sleep trend making waves: taping your mouth shut at night. Advocates say it can help you breathe better, sleep deeper, and even wake up more energized. But is it safe -- or could it put your health at risk? Sanjay breaks down what the science says about this viral “hack” and what doctors want you to know before you try it. Plus, a listener asks about calcium supplements and testosterone for bone loss.
This episode was produced by Jennifer Lai
Medical Writer: Andrea Kane
Showrunner: Amanda Sealy
Senior Producer: Dan Bloom
Technical Director: Dan Dzula
Executive Producer: Steve Lickteig
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