Improvements in cognitive function and quantitative sleep electroencephalogram in obstructive sleep apnea after six months of continuous positive airway pressure treatment.

"Disclosure Statement None declared."

"Funding This work was supported by Australian National Health and Medical Research Council Project Grant 57355; Australian National Health and Medical Research Council-Australian Research Council (NHMRC-ARC) Dementia Research Development Fellowships to ALD (GNT1107716), CMH (GNT1104003); NHMRC Dementia Leadership Fellowship to SLN (GNT1135639; and a NHMRC Senior Principal Research Fellowship to RRG (GNT1106974)."

"This study examined data collected from participants who were involved in a previously reported clinical trial []. Participants have been described in detail previously. In brief, eligible participants had newly diagnosed PSG-defined at least mild OSA (as defined as an apnea hypopnea index [AHI] > 5). Exclusion criteria included any previous or current use of CPAP and non-fluency in both written and spoken English. The Sydney South West Area Health Service Human Research Ethics Committee approved the protocol and all participants provided written informed consent. The study was registered with the Australia and New Zealand clinical trials registry (ANZCTR12606000065594)."