I called Nationwide Medical after my current CPAP supplier was no longer an approved Medicare vendor. I gave all my information to the man I spoke to, including the model and serial numbers of the machine I was using, my doctor's names and phone numbers, and my Medicare number.
REM rebound. REM rebound is the lengthening and increasing frequency and depth of rapid eye movement (REM) sleep which occurs after periods of sleep deprivation. When people have been prevented from experiencing REM, they take less time than usual to attain the REM state.
Rebound damping can be controlled via an orifice, a shim stack, or a combination of both. There is a very limited range of rebound velocities that result in a good setup. Some. people may prefer rebound on the slower side of this spectrum, and some on the faster side.