Obstructive sleep apneaBy Mayo Clinic staff
Original Article: http://www.mayoclinic.com/health/medical/IM04014
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Obstructive sleep apnea
Obstructive sleep apnea occurs when the muscles that support the soft tissues in your throat, such as your tongue and soft palate, temporarily relax. When these muscles relax, your airway is narrowed or closed, and breathing is momentarily cut off.