My 7 month old DD has recently started rolling over during sleep. My mum said that when they work out how to roll over, a lot of babies become tummy sleepers. I always put DD on her back when putting her to bed but she always ends up on side or tummy. Mum said by this age if she can get into that position she can get out of it as well (which is true, she gets into all sorts of positions). But I just wanted to check if she knows enough to position her head in a way that she can still breathe ok all the time?

Also, she always ends up against the bars of the cot with an arm hanging out of the cot, is that ok?