Depends on the age and how developed the child is, for us, when he is able to flip, he has been consistently able to shift his face enough to expose his nose. We also made sure that his mattress and sheets are breathable.

yes... i think so.... i dunno... mine doesnt sleep on tummy much but if sleep on tummy..... must always watch baby

not unless they can hold their head up strong

Yes good for a change to shape their head

not all the time but under supervision

Yes for babies more than four months.

Yes but with supervision

Thanks for sharing this

In a certain time ok

i think its safe