How to save your relationship from loud snoring, according to a sleep expert Dr. Wendy Troxel, a Utah-based sleep expert, shares guidance for couples dealing with disruptive nighttime breathing issues. NEW You can now listen to Fox News articles! Researchers in Israel have discovered a difference in muscle structure in those with obstructive sleep apnea (OSA). According to a new study published in the journal Sleep and Breathing, people with OSA tend to have a higher muscle mass index,