Kinda nervous

Brandie • Mommy to a happy 3y old 👦 and a 2y old 👧 (my prince and princess)
So the other day I was watching my sibling's and my little sister who is a year and 5 month's old was sitting by my legs and I had a frilly top on she lifted it up several times and I said stop the last time she lifted it up she said baby... I said stop there's no baby in there and she just laughed at me... Other then my parents she clings to me like no other I have no idea wat to think and she is very smart... Now my moms convinced I'm prego... And I have been sleeping a lot... I plan on testing on the 2nd just to give it time... Idk wat do u guys think?? Can they sense things like that??