Emotional changes👶🏾🍼

In the beginning of my pregnancy I was so emotional only because I was having so many problems and was just worried and scared about my baby, now I'm 21 weeks appt Thursday for gender can't wait but I'm starting to have these emotional roller coasters where I can be fine but then again if one thing pisses me off I'm extremely upset and just ready to cry anyone esle dealing with these emotional changes wandering if it also have anything to do with this insomnia change