Hello. Can you say that all babies can suddenly change their mood? Th…

Hello. Can you say that all babies can suddenly change their mood? They're sometimes very active and then barely move at all. It's now 36 weeks and 5 days and he suddenly started moving less. ?‍♀️ I'll probably turn gray soon, could it be that he's preparing to come out? And by the way, on urination stopped pressing suddenly.