Of late, I wake up to find myself on my tummy. At first it shocked me and first thing I did was turn to see where baby is, if he moved or I slept on him. Now, well now I actually enjoy falling asleep like that because it is the most comfortable. Am 21+5 and my bump was big, I felt, but now maybe am just used to it because I don't think it is big anymore. Qn is, how long can I sleep like this without harming baby?