Mine did. I have the Newton one.
I haven’t. I have to been meaning to look it up and see what the recommendations are
Mines does. We also put cushion pad underneath the mattress pad, then mattress pad and the sheet. Our daughter started sleeping better.
Yes. Flipped it when baby turned 1
I havent flipped mines I didn’t realize you’re supposed to , is that important?
Yes mine has 2 sides. I flipped it after a year.