Continuous positive airway pressure (CPAP) treatment provides relief from depression in those with obstructive sleep apnea (OSA). This is true irrespective of how well CPAP treatment improved sleep status. There was no significant decrease in anxiety symptoms in those receiving CPAP treatment. These findings were reported in “Effects Of Continuous Positive Airway Pressure On Depression And Anxiety Symptoms In Patients With Obstructive Sleep Apnoea: Results From The Sleep Apnoea Cardiovascular Endpoint Randomised Trial And Meta-Analysis” by Danni Zheng, Ying Xu Shoujiang You, Maree L. Hackett, Richard J. Woodman, et al. The researchers conducted a secondary analysis of data from . . .