Results of a detailed study of complex sleep apnea the name preferred by mayo clinic researchers were announced by the mayo team in 2006. So if you suspect yourself your friends or bed partner of sleep apnea symptoms let s figure what types of sleep apnea there are how to detect and treat them. Understanding Circadian Rhythm Sleep Disorders Sleep Apnea Perhaps one group to begin to focus on is the set of patients who try to use cpap but do not get good responses to treatment. Complex sleep apnea vs obstructive sleep apnea . Patients with complex sleep apnea exhibit osa but upon application of positive airway pressure the patient exhibits persistent central sleep apnea. Complex sleep apnea is the term used to describe a form of sleep disordered breathing in which repeated central apneas 5 hour persist or emerge when obstructive events are extinguished with positive airway pressure pap and for which there is not a clear cause for the central apneas such as narcotics or systolic heart...