I will keep your grandbaby in my prayers. I hope he has a speedy recovery.
It seems pillows, like so many things with cpap, tend be an individual thing.
For the last several years, I have used a king size memory foam pillow. This is particular pillow is dense and cradles my neck without flattening. Loved that pillow and still have it.
A few weeks ago, I was in on a trial product that www.pur-sleep.com was introducing. It is the Regenisis pillow. It is a buckwheat hull pillow. Love that pillow and now use it full time.
I have not tried the pillow that Mike has recommended but it looks like it would be a great pillow as well.
I sell the Oxygen Pillows in Dallas, and yes indeed. Pillows are just as important as the bed. As a general rule, the pillow should keep your head in a neutral alignment with your spinal column. To determine your neutral alignment, just stand up normally. Then take a look at the space between your chin and your chest--that's the same amount of space you need when sleeping on your back to get in maximum oxygen without putting undue stress on your neck.
I don't know how much side sleeping you're doing (or NOT doing!) but a properly fitting pillow would once again be able to keep that space nice and open without pitching your head up, or making it drop too far towards the bed. (and when testing for proper sizing, be sure to put your hands underneath the pillow if that's how you sleep-otherwise the pillow you test without doing that will end up being too tall.
Also very important--make sure you test out a pillow on a bed that approximates the feel of the bed you have at home! What works on a super firm bed is going to be (usually) WAY too tall to get you into your neutral on a soft, plush bed.
I hope this helps. Good luck!
Thanks for asking this question. Since I started with my treatment 3 weeks ago....my neck has been totally out of alignment. I think it went out of alignment when I turned to sleep on my side...and the mask put in in an unusual position. I went to a chiropractor for an adjustment.....but I'm wondering if a correct fitting pillow would help?