The Benefits of Taping Your Mouth Closed During Sleep

What I learned from retraining myself to breathe through the nose

Illustration: Shutterstock by y.s.graphicart

I’m a sleep geek. Like many who are caught up in the personal development and biohacking craze, I have read, listened to, and I tried nearly every trick in the book — a dark room, eight-plus hours of sleep, exercise, decreased caffeine, a better bed, specialized…