Are Dr.’s over diagnosing sleep apnea to increase the profits of CPAP machine manufacturers?

I am suspect of sleep neurologists who keep pushing an apnea diagnosis as the problem (vs. narcolepsy, for example) even if a sleep study shows differently. It seems each dr. is located next door to CPAP machine rentals. I’m wondering if they are part owners or stock holders drumming up business. Just asking… I’ve been [...]