Question when do u really start nesting lol I'm 37 weeks today and have no feeling of cleaning I still work 40hrs a week…

Question when do u really start nesting lol I'm 37 weeks today and have no feeling of cleaning I still work 40hrs a week standing all day but haven't even put up my baby's crib going to try today cuz don't no if he can come early but just not in the mood should I be worried?