Editing Sleep apnea (section)

====Mixed apnea====
Some people with sleep apnea have a combination of both types; its prevalence ranges from 0.56% to 18%. The condition, also called treatment-emergent central apnea, is generally detected when obstructive sleep apnea is treated with CPAP and central sleep apnea emerges.<ref name="Badr-2019"/> The exact mechanism of the loss of central respiratory drive during sleep in OSA is unknown but is most likely related to incorrect settings of the CPAP treatment and other medical conditions the person has.<ref name= ComplexRev2014>{{cite journal | vauthors = Khan MT, Franco RA | title = Complex sleep apnea syndrome | journal = Sleep Disorders | volume = 2014 | pages = 1–6 | year = 2014 | pmid = 24693440 | pmc = 3945285 | doi = 10.1155/2014/798487 | doi-access = free }}</ref>