Sleep Apnea and Its Natural Treatment What is Sleep Apnea? Sleep apnea is a common sleep-related breathing disorder in which the individual’s breathing repeatedly stops and starts during sleep. This condition involves a decrease or complete halt in airflow despite ongoing effort to breathe. It occurs when the muscles involves during the sleep causes the collapse of soft tissue and blocks the airway. This may lead to the partial reduction and complete pause in the breathing process that lasts for