I am having osa having ahi 19.9.what should i do i have to do pranayama or use cpap?

CPAP: CPAP will directly help your obstructive sleep apnea (osa). Pranayama may help in other ways, but isn't likely to cure osa on its own.

CPAP: An ahi indicated a moderate level of osa and breathing techniques like pranayama will not prevent the apnea and hypopnea events that occur at this level of the condition. CPAP is the gold standard for treating osa with oral repositioning appliances indicated only if CPAP cannot be tolerated or used.

CPAP #1: Scientists still don’t know exactly why we sleep, although sleep seems to be essential for our health. Obstructive sleep apnea is a silent killer osa is causing loss of gray matter in brain, effecting cognition, memory and blood pressure. CPAP treatment reduces strokes, myocardial infarction, systemic hypertension, improves gerd, improves erectile dysfunction. Cpap is a gold standard.