No symptoms?

Hi ladies, is it normal to not experience symptoms early on such as morning sickness or nausea? I’ll just be 5 weeks tomorrow and I have my first appointment with an RN Wednesday for a check up before I see a gyno. Literally all I have been having is cramps, gas, bloating, and for some reason I slept most of today which I never do. I did not want to leave my bed. I feel like I’m not even pregnant if I don’t have these other symptoms and it worries me 😭😭