If your mouth pops open while you sleep, it is usually a sign that your breathing system is working harder than it should. In this guide, Dr. David Alfi explains why this happens, how it affects snoring and dry mouth, and where mouth tape fits in for the right adults.

Mouth tape has become a popular sleep trend, but is it actually safe? Dr. David Alfi explains what it is, how it works, who should avoid it, and how to use it safely for better breathing and deeper sleep.