Obstructive sleep apnea (OSA) is the most common type of sleep apnea, and occurs when the muscles in your throat become blocked (“obstructed”) while you sleep. Another type of sleep apnea, central sleep apnea, happens when there’s a disconnect between your brain and muscles.

6 Signs Your Cold Is More Serious Than You Think
The common cold is a viral infection of your nose and throat (upper respiratory tract). It’s usually harmless, although it might not feel that way. Many types of viruses can