Sleeping time 💤💤

Hi! Is it normal or am I the only who sleeps around 2 or 3am? I am 32 weeks pregnant. Is this healthy for the baby? I always go to bed around 11pm but still I sleep around 2 or 3am. But this day, I slept around 5am and I really don't know why. #pleasehelp #1stimemom #advicepls