Hello moms! I have a one-month-old baby. My home folks say she's hyper…

Hello moms! I have a one-month-old baby. My home folks say she's hyperactive. During my pregnancy, my hemoglobin was 118, and I had anemia, maybe because of that. She's always fussing, wakes up often, coughs. I read symptoms on Google, they seem similar, but not really. Has anyone experienced this? No one has diagnosed it, we're going to see a neurologist, hoping it doesn't confirm. My wife's brother's newborn is sleeping all the time, he doesn't cry, while mine is restless and when everyone discusses it at the table, I feel a bit offended (I get very self-conscious about it). Everyone