Why do people need CPAP machines, why can't you simply sleep on your side? Most primates instinctively know how to sleep in the best positions ( https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1119282/ ) humans insist on sleeping on their backs which other primates instinctively know is dangerous.
> Why do people need CPAP machines, why can't you simply sleep on your side? Because they have issues which require CPAP machines. If I sleep on my side, the apnea situation improves slightly, but it does not go away at all. Do you think that people would prefer to deal with a bulky and unconfortable machine, as well as doctor appointments, if they could simply sleep on their sides?
These sleep clinics make money off you if they can diagnose you with a disorder that requires you to purchase a $2000 machine to "keep you alive". Of course, everyone who walks through the door needs what they have to sell.