Health.Dailywellness.Selfcarespot on Instagram: "Why Do You Snore When You Sleep? ... Snoring happens when the tissues in the back of your throat vibrate as you breathe during sleep. ​When you sleep, the muscles in your throat, tongue, and soft palate relax. For some people, this relaxation causes the airway to narrow. As you breathe in and out, the air rushing through this smaller space makes those relaxed tissues vibrate, creating the sound of snoring. ​Common causes include: ​Anatomy: A low,